[PATCH] drivers/input/joystick: convert to dynamic input_dev allocation

Input: convert drivers/input/joystick to dynamic input_dev allocation

This is required for input_dev sysfs integration
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/input/joystick/adi.c

@@ -54,7 +54,7 @@ MODULE_LICENSE("GPL");
 #define ADI_MIN_LENGTH		8
 #define ADI_MIN_LEN_LENGTH	10
 #define ADI_MIN_ID_LENGTH	66
-#define ADI_MAX_NAME_LENGTH	48
+#define ADI_MAX_NAME_LENGTH	64
 #define ADI_MAX_CNAME_LENGTH	16
 #define ADI_MAX_PHYS_LENGTH	64
 
@@ -106,7 +106,7 @@ static struct {
  */
 
 struct adi {
-	struct input_dev dev;
+	struct input_dev *dev;
 	int length;
 	int ret;
 	int idx;
@@ -215,7 +215,7 @@ static inline int adi_get_bits(struct adi *adi, int count)
 
 static int adi_decode(struct adi *adi)
 {
-	struct input_dev *dev = &adi->dev;
+	struct input_dev *dev = adi->dev;
 	char *abs = adi->abs;
 	short *key = adi->key;
 	int i, t;
@@ -318,7 +318,8 @@ static void adi_init_digital(struct gameport *gameport)
 
 	for (i = 0; seq[i]; i++) {
 		gameport_trigger(gameport);
-		if (seq[i] > 0) msleep(seq[i]);
+		if (seq[i] > 0)
+			msleep(seq[i]);
 		if (seq[i] < 0) {
 			mdelay(-seq[i]);
 			udelay(-seq[i]*14);	/* It looks like mdelay() is off by approx 1.4% */
@@ -397,42 +398,46 @@ static void adi_id_decode(struct adi *adi, struct adi_port *port)
 	}
 }
 
-static void adi_init_input(struct adi *adi, struct adi_port *port, int half)
+static int adi_init_input(struct adi *adi, struct adi_port *port, int half)
 {
-	int i, t;
+	struct input_dev *input_dev;
 	char buf[ADI_MAX_NAME_LENGTH];
+	int i, t;
 
-	if (!adi->length) return;
-
-	init_input_dev(&adi->dev);
+	adi->dev = input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
 
 	t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX;
 
 	snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id);
-	snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s", buf);
+	snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname);
 	snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half);
 
 	adi->abs = adi_abs[t];
 	adi->key = adi_key[t];
 
-	adi->dev.open = adi_open;
-	adi->dev.close = adi_close;
+	input_dev->name = adi->name;
+	input_dev->phys = adi->phys;
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_LOGITECH;
+	input_dev->id.product = adi->id;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &port->gameport->dev;
+	input_dev->private = port;
 
-	adi->dev.name = adi->name;
-	adi->dev.phys = adi->phys;
-	adi->dev.id.bustype = BUS_GAMEPORT;
-	adi->dev.id.vendor = GAMEPORT_ID_VENDOR_LOGITECH;
-	adi->dev.id.product = adi->id;
-	adi->dev.id.version = 0x0100;
+	input_dev->open = adi_open;
+	input_dev->close = adi_close;
 
-	adi->dev.private = port;
-	adi->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++)
-		set_bit(adi->abs[i], adi->dev.absbit);
+		set_bit(adi->abs[i], input_dev->absbit);
 
 	for (i = 0; i < adi->buttons; i++)
-		set_bit(adi->key[i], adi->dev.keybit);
+		set_bit(adi->key[i], input_dev->keybit);
+
+	return 0;
 }
 
 static void adi_init_center(struct adi *adi)
@@ -445,17 +450,17 @@ static void adi_init_center(struct adi *adi)
 	for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) {
 
 		t = adi->abs[i];
-		x = adi->dev.abs[t];
+		x = adi->dev->abs[t];
 
 		if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE)
 			x = i < adi->axes10 ? 512 : 128;
 
 		if (i < adi->axes10)
-			input_set_abs_params(&adi->dev, t, 64, x * 2 - 64, 2, 16);
+			input_set_abs_params(adi->dev, t, 64, x * 2 - 64, 2, 16);
 		else if (i < adi->axes10 + adi->axes8)
-			input_set_abs_params(&adi->dev, t, 48, x * 2 - 48, 1, 16);
+			input_set_abs_params(adi->dev, t, 48, x * 2 - 48, 1, 16);
 		else
-			input_set_abs_params(&adi->dev, t, -1, 1, 0, 0);
+			input_set_abs_params(adi->dev, t, -1, 1, 0, 0);
 	}
 }
 
@@ -469,7 +474,8 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
 	int i;
 	int err;
 
-	if (!(port = kzalloc(sizeof(struct adi_port), GFP_KERNEL)))
+	port = kzalloc(sizeof(struct adi_port), GFP_KERNEL);
+	if (!port)
 		return -ENOMEM;
 
 	port->gameport = gameport;
@@ -477,10 +483,8 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
 	gameport_set_drvdata(gameport, port);
 
 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
-	if (err) {
-		kfree(port);
-		return err;
-	}
+	if (err)
+		goto fail1;
 
 	adi_init_digital(gameport);
 	adi_read_packet(port);
@@ -490,13 +494,18 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
 
 	for (i = 0; i < 2; i++) {
 		adi_id_decode(port->adi + i, port);
-		adi_init_input(port->adi + i, port, i);
+
+		if (!port->adi[i].length)
+			continue;
+
+		err = adi_init_input(port->adi + i, port, i);
+		if (err)
+			goto fail2;
 	}
 
 	if (!port->adi[0].length && !port->adi[1].length) {
-		gameport_close(gameport);
-		kfree(port);
-		return -ENODEV;
+		err = -ENODEV;
+		goto fail2;
 	}
 
 	gameport_set_poll_handler(gameport, adi_poll);
@@ -511,12 +520,18 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv)
 	for (i = 0; i < 2; i++)
 		if (port->adi[i].length > 0) {
 			adi_init_center(port->adi + i);
-			input_register_device(&port->adi[i].dev);
-			printk(KERN_INFO "input: %s [%s] on %s\n",
-				port->adi[i].name, port->adi[i].cname, gameport->phys);
+			input_register_device(port->adi[i].dev);
 		}
 
 	return 0;
+
+ fail2:	for (i = 0; i < 2; i++)
+		if (port->adi[i].dev)
+			input_free_device(port->adi[i].dev);
+	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
+	kfree(port);
+	return err;
 }
 
 static void adi_disconnect(struct gameport *gameport)
@@ -526,7 +541,7 @@ static void adi_disconnect(struct gameport *gameport)
 
 	for (i = 0; i < 2; i++)
 		if (port->adi[i].length > 0)
-			input_unregister_device(&port->adi[i].dev);
+			input_unregister_device(port->adi[i].dev);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(port);

drivers/input/joystick/amijoy.c

@@ -53,11 +53,9 @@ __obsolete_setup("amijoy=");
 
 static int amijoy_used;
 static DECLARE_MUTEX(amijoy_sem);
-static struct input_dev amijoy_dev[2];
+static struct input_dev *amijoy_dev[2];
 static char *amijoy_phys[2] = { "amijoy/input0", "amijoy/input1" };
 
-static char *amijoy_name = "Amiga joystick";
-
 static irqreturn_t amijoy_interrupt(int irq, void *dummy, struct pt_regs *fp)
 {
 	int i, data = 0, button = 0;
@@ -70,15 +68,15 @@ static irqreturn_t amijoy_interrupt(int irq, void *dummy, struct pt_regs *fp)
 				case 1: data = ~custom.joy1dat; button = (~ciaa.pra >> 7) & 1; break;
 			}
 
-			input_regs(amijoy_dev + i, fp);
+			input_regs(amijoy_dev[i], fp);
 
-			input_report_key(amijoy_dev + i, BTN_TRIGGER, button);
+			input_report_key(amijoy_dev[i], BTN_TRIGGER, button);
 
-			input_report_abs(amijoy_dev + i, ABS_X, ((data >> 1) & 1) - ((data >> 9) & 1));
+			input_report_abs(amijoy_dev[i], ABS_X, ((data >> 1) & 1) - ((data >> 9) & 1));
 			data = ~(data ^ (data << 1));
-			input_report_abs(amijoy_dev + i, ABS_Y, ((data >> 1) & 1) - ((data >> 9) & 1));
+			input_report_abs(amijoy_dev[i], ABS_Y, ((data >> 1) & 1) - ((data >> 9) & 1));
 
-			input_sync(amijoy_dev + i);
+			input_sync(amijoy_dev[i]);
 		}
 	return IRQ_HANDLED;
 }
@@ -114,39 +112,52 @@ static void amijoy_close(struct input_dev *dev)
 static int __init amijoy_init(void)
 {
 	int i, j;
+	int err;
 
-	for (i = 0; i < 2; i++)
-		if (amijoy[i]) {
-			if (!request_mem_region(CUSTOM_PHYSADDR+10+i*2, 2,
-						"amijoy [Denise]")) {
-				if (i == 1 && amijoy[0]) {
-					input_unregister_device(amijoy_dev);
-					release_mem_region(CUSTOM_PHYSADDR+10, 2);
-				}
-				return -EBUSY;
-			}
+	for (i = 0; i < 2; i++) {
+		if (!amijoy[i])
+			continue;
 
-			amijoy_dev[i].open = amijoy_open;
-			amijoy_dev[i].close = amijoy_close;
-			amijoy_dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-			amijoy_dev[i].absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
-			amijoy_dev[i].keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
-			for (j = 0; j < 2; j++) {
-				amijoy_dev[i].absmin[ABS_X + j] = -1;
-				amijoy_dev[i].absmax[ABS_X + j] = 1;
-			}
+		amijoy_dev[i] = input_allocate_device();
+		if (!amijoy_dev[i]) {
+			err = -ENOMEM;
+			goto fail;
+		}
 
-			amijoy_dev[i].name = amijoy_name;
-			amijoy_dev[i].phys = amijoy_phys[i];
-			amijoy_dev[i].id.bustype = BUS_AMIGA;
-			amijoy_dev[i].id.vendor = 0x0001;
-			amijoy_dev[i].id.product = 0x0003;
-			amijoy_dev[i].id.version = 0x0100;
+		if (!request_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2, "amijoy [Denise]")) {
+			input_free_device(amijoy_dev[i]);
+			err = -EBUSY;
+			goto fail;
+		}
 
-			input_register_device(amijoy_dev + i);
-			printk(KERN_INFO "input: %s at joy%ddat\n", amijoy_name, i);
+		amijoy_dev[i]->name = "Amiga joystick";
+		amijoy_dev[i]->phys = amijoy_phys[i];
+		amijoy_dev[i]->id.bustype = BUS_AMIGA;
+		amijoy_dev[i]->id.vendor = 0x0001;
+		amijoy_dev[i]->id.product = 0x0003;
+		amijoy_dev[i]->id.version = 0x0100;
+
+		amijoy_dev[i]->open = amijoy_open;
+		amijoy_dev[i]->close = amijoy_close;
+
+		amijoy_dev[i]->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		amijoy_dev[i]->absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+		amijoy_dev[i]->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+		for (j = 0; j < 2; j++) {
+			amijoy_dev[i]->absmin[ABS_X + j] = -1;
+			amijoy_dev[i]->absmax[ABS_X + j] = 1;
 		}
+
+		input_register_device(amijoy_dev[i]);
+	}
 	return 0;
+
+ fail:	while (--i >= 0)
+		if (amijoy[i]) {
+			input_unregister_device(amijoy_dev[i]);
+			release_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2);
+		}
+	return err;
 }
 
 static void __exit amijoy_exit(void)
@@ -155,8 +166,8 @@ static void __exit amijoy_exit(void)
 
 	for (i = 0; i < 2; i++)
 		if (amijoy[i]) {
-			input_unregister_device(amijoy_dev + i);
-			release_mem_region(CUSTOM_PHYSADDR+10+i*2, 2);
+			input_unregister_device(amijoy_dev[i]);
+			release_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2);
 		}
 }
 

drivers/input/joystick/analog.c

@@ -111,7 +111,7 @@ static short analog_joy_btn[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN
 static unsigned char analog_chf[] = { 0xf, 0x0, 0x1, 0x9, 0x2, 0x4, 0xc, 0x8, 0x3, 0x5, 0xb, 0x7, 0xd, 0xe, 0xa, 0x6 };
 
 struct analog {
-	struct input_dev dev;
+	struct input_dev *dev;
 	int mask;
 	short *buttons;
 	char name[ANALOG_MAX_NAME_LENGTH];
@@ -182,7 +182,7 @@ static unsigned long analog_faketime = 0;
 
 static void analog_decode(struct analog *analog, int *axes, int *initial, int buttons)
 {
-	struct input_dev *dev = &analog->dev;
+	struct input_dev *dev = analog->dev;
 	int i, j;
 
 	if (analog->mask & ANALOG_HAT_FCS)
@@ -428,27 +428,30 @@ static void analog_name(struct analog *analog)
  * analog_init_device()
  */
 
-static void analog_init_device(struct analog_port *port, struct analog *analog, int index)
+static int analog_init_device(struct analog_port *port, struct analog *analog, int index)
 {
+	struct input_dev *input_dev;
 	int i, j, t, v, w, x, y, z;
 
 	analog_name(analog);
 	sprintf(analog->phys, "%s/input%d", port->gameport->phys, index);
 	analog->buttons = (analog->mask & ANALOG_GAMEPAD) ? analog_pad_btn : analog_joy_btn;
 
-	init_input_dev(&analog->dev);
+	analog->dev = input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
 
-	analog->dev.name = analog->name;
-	analog->dev.phys = analog->phys;
-	analog->dev.id.bustype = BUS_GAMEPORT;
-	analog->dev.id.vendor = GAMEPORT_ID_VENDOR_ANALOG;
-	analog->dev.id.product = analog->mask >> 4;
-	analog->dev.id.version = 0x0100;
+	input_dev->name = analog->name;
+	input_dev->phys = analog->phys;
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_ANALOG;
+	input_dev->id.product = analog->mask >> 4;
+	input_dev->id.version = 0x0100;
 
-	analog->dev.open = analog_open;
-	analog->dev.close = analog_close;
-	analog->dev.private = port;
-	analog->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->open = analog_open;
+	input_dev->close = analog_close;
+	input_dev->private = port;
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	for (i = j = 0; i < 4; i++)
 		if (analog->mask & (1 << i)) {
@@ -461,8 +464,6 @@ static void analog_init_device(struct analog_port *port, struct analog *analog,
 			v = (x >> 3);
 			w = (x >> 3);
 
-			set_bit(t, analog->dev.absbit);
-
 			if ((i == 2 || i == 3) && (j == 2 || j == 3) && (z > (y >> 3)))
 				x = y;
 
@@ -472,11 +473,7 @@ static void analog_init_device(struct analog_port *port, struct analog *analog,
 				w = (x >> 4);
 			}
 
-			analog->dev.absmax[t] = (x << 1) - v;
-			analog->dev.absmin[t] = v;
-			analog->dev.absfuzz[t] = port->fuzz;
-			analog->dev.absflat[t] = w;
-
+			input_set_abs_params(input_dev, t, v, (x << 1) - v, port->fuzz, w);
 			j++;
 		}
 
@@ -484,41 +481,30 @@ static void analog_init_device(struct analog_port *port, struct analog *analog,
 		if (analog->mask & analog_exts[i])
 			for (x = 0; x < 2; x++) {
 				t = analog_hats[j++];
-				set_bit(t, analog->dev.absbit);
-				analog->dev.absmax[t] = 1;
-				analog->dev.absmin[t] = -1;
+				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
 			}
 
 	for (i = j = 0; i < 4; i++)
 		if (analog->mask & (0x10 << i))
-			set_bit(analog->buttons[j++], analog->dev.keybit);
+			set_bit(analog->buttons[j++], input_dev->keybit);
 
 	if (analog->mask & ANALOG_BTNS_CHF)
 		for (i = 0; i < 2; i++)
-			set_bit(analog->buttons[j++], analog->dev.keybit);
+			set_bit(analog->buttons[j++], input_dev->keybit);
 
 	if (analog->mask & ANALOG_HBTN_CHF)
 		for (i = 0; i < 4; i++)
-			set_bit(analog->buttons[j++], analog->dev.keybit);
+			set_bit(analog->buttons[j++], input_dev->keybit);
 
 	for (i = 0; i < 4; i++)
 		if (analog->mask & (ANALOG_BTN_TL << i))
-			set_bit(analog_pads[i], analog->dev.keybit);
+			set_bit(analog_pads[i], input_dev->keybit);
 
 	analog_decode(analog, port->axes, port->initial, port->buttons);
 
-	input_register_device(&analog->dev);
+	input_register_device(analog->dev);
 
-	printk(KERN_INFO "input: %s at %s", analog->name, port->gameport->phys);
-
-	if (port->cooked)
-		printk(" [ADC port]\n");
-	else
-		printk(" [%s timer, %d %sHz clock, %d ns res]\n", TIME_NAME,
-		port->speed > 10000 ? (port->speed + 800) / 1000 : port->speed,
-		port->speed > 10000 ? "M" : "k",
-		port->speed > 10000 ? (port->loop * 1000) / (port->speed / 1000)
-				    : (port->loop * 1000000) / port->speed);
+	return 0;
 }
 
 /*
@@ -659,37 +645,41 @@ static int analog_connect(struct gameport *gameport, struct gameport_driver *drv
 		return - ENOMEM;
 
 	err = analog_init_port(gameport, drv, port);
-	if (err) {
-		kfree(port);
-		return err;
-	}
+	if (err)
+		goto fail1;
 
 	err = analog_init_masks(port);
-	if (err) {
-		gameport_close(gameport);
-		gameport_set_drvdata(gameport, NULL);
-		kfree(port);
-		return err;
-	}
+	if (err)
+		goto fail2;
 
 	gameport_set_poll_handler(gameport, analog_poll);
 	gameport_set_poll_interval(gameport, 10);
 
 	for (i = 0; i < 2; i++)
-		if (port->analog[i].mask)
-			analog_init_device(port, port->analog + i, i);
+		if (port->analog[i].mask) {
+			err = analog_init_device(port, port->analog + i, i);
+			if (err)
+				goto fail3;
+		}
 
 	return 0;
+
+ fail3: while (--i >= 0)
+		input_unregister_device(port->analog[i].dev);
+ fail2:	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
+	kfree(port);
+	return err;
 }
 
 static void analog_disconnect(struct gameport *gameport)
 {
-	int i;
 	struct analog_port *port = gameport_get_drvdata(gameport);
+	int i;
 
 	for (i = 0; i < 2; i++)
 		if (port->analog[i].mask)
-			input_unregister_device(&port->analog[i].dev);
+			input_unregister_device(port->analog[i].dev);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	printk(KERN_INFO "analog.c: %d out of %d reads (%d%%) on %s failed\n",

drivers/input/joystick/cobra.c

@@ -44,13 +44,11 @@ MODULE_LICENSE("GPL");
 #define COBRA_MAX_STROBE	45	/* 45 us max wait for first strobe */
 #define COBRA_LENGTH		36
 
-static char* cobra_name = "Creative Labs Blaster GamePad Cobra";
-
 static int cobra_btn[] = { BTN_START, BTN_SELECT, BTN_TL, BTN_TR, BTN_X, BTN_Y, BTN_Z, BTN_A, BTN_B, BTN_C, BTN_TL2, BTN_TR2, 0 };
 
 struct cobra {
 	struct gameport *gameport;
-	struct input_dev dev[2];
+	struct input_dev *dev[2];
 	int reads;
 	int bads;
 	unsigned char exists;
@@ -128,7 +126,7 @@ static void cobra_poll(struct gameport *gameport)
 	for (i = 0; i < 2; i++)
 		if (cobra->exists & r & (1 << i)) {
 
-			dev = cobra->dev + i;
+			dev = cobra->dev[i];
 
 			input_report_abs(dev, ABS_X, ((data[i] >> 4) & 1) - ((data[i] >> 3) & 1));
 			input_report_abs(dev, ABS_Y, ((data[i] >> 2) & 1) - ((data[i] >> 1) & 1));
@@ -159,11 +157,13 @@ static void cobra_close(struct input_dev *dev)
 static int cobra_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
 	struct cobra *cobra;
+	struct input_dev *input_dev;
 	unsigned int data[2];
 	int i, j;
 	int err;
 
-	if (!(cobra = kzalloc(sizeof(struct cobra), GFP_KERNEL)))
+	cobra = kzalloc(sizeof(struct cobra), GFP_KERNEL);
+	if (!cobra)
 		return -ENOMEM;
 
 	cobra->gameport = gameport;
@@ -191,38 +191,46 @@ static int cobra_connect(struct gameport *gameport, struct gameport_driver *drv)
 	gameport_set_poll_handler(gameport, cobra_poll);
 	gameport_set_poll_interval(gameport, 20);
 
-	for (i = 0; i < 2; i++)
-		if ((cobra->exists >> i) & 1) {
-
-			sprintf(cobra->phys[i], "%s/input%d", gameport->phys, i);
+	for (i = 0; i < 2; i++) {
+		if (~(cobra->exists >> i) & 1)
+			continue;
 
-			cobra->dev[i].private = cobra;
-			cobra->dev[i].open = cobra_open;
-			cobra->dev[i].close = cobra_close;
+		cobra->dev[i] = input_dev = input_allocate_device();
+		if (!input_dev) {
+			err = -ENOMEM;
+			goto fail3;
+		}
 
-			cobra->dev[i].name = cobra_name;
-			cobra->dev[i].phys = cobra->phys[i];
-			cobra->dev[i].id.bustype = BUS_GAMEPORT;
-			cobra->dev[i].id.vendor = GAMEPORT_ID_VENDOR_CREATIVE;
-			cobra->dev[i].id.product = 0x0008;
-			cobra->dev[i].id.version = 0x0100;
+		sprintf(cobra->phys[i], "%s/input%d", gameport->phys, i);
 
-			cobra->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		input_dev->name = "Creative Labs Blaster GamePad Cobra";
+		input_dev->phys = cobra->phys[i];
+		input_dev->id.bustype = BUS_GAMEPORT;
+		input_dev->id.vendor = GAMEPORT_ID_VENDOR_CREATIVE;
+		input_dev->id.product = 0x0008;
+		input_dev->id.version = 0x0100;
+		input_dev->cdev.dev = &gameport->dev;
+		input_dev->private = cobra;
 
-			input_set_abs_params(&cobra->dev[i], ABS_X, -1, 1, 0, 0);
-			input_set_abs_params(&cobra->dev[i], ABS_Y, -1, 1, 0, 0);
+		input_dev->open = cobra_open;
+		input_dev->close = cobra_close;
 
-			for (j = 0; cobra_btn[j]; j++)
-				set_bit(cobra_btn[j], cobra->dev[i].keybit);
+		input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		input_set_abs_params(input_dev, ABS_X, -1, 1, 0, 0);
+		input_set_abs_params(input_dev, ABS_Y, -1, 1, 0, 0);
+		for (j = 0; cobra_btn[j]; j++)
+			set_bit(cobra_btn[j], input_dev->keybit);
 
-			input_register_device(&cobra->dev[i]);
-			printk(KERN_INFO "input: %s on %s\n", cobra_name, gameport->phys);
-		}
+		input_register_device(cobra->dev[i]);
+	}
 
 	return 0;
 
-fail2:	gameport_close(gameport);
-fail1:	gameport_set_drvdata(gameport, NULL);
+ fail3:	for (i = 0; i < 2; i++)
+		if (cobra->dev[i])
+			input_unregister_device(cobra->dev[i]);
+ fail2:	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
 	kfree(cobra);
 	return err;
 }
@@ -234,7 +242,7 @@ static void cobra_disconnect(struct gameport *gameport)
 
 	for (i = 0; i < 2; i++)
 		if ((cobra->exists >> i) & 1)
-			input_unregister_device(cobra->dev + i);
+			input_unregister_device(cobra->dev[i]);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(cobra);

drivers/input/joystick/db9.c

@@ -43,25 +43,28 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver");
 MODULE_LICENSE("GPL");
 
-static int db9[] __initdata = { -1, 0 };
-static int db9_nargs __initdata = 0;
-module_param_array_named(dev, db9, int, &db9_nargs, 0);
-MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)");
+struct db9_config {
+	int args[2];
+	int nargs;
+};
 
-static int db9_2[] __initdata = { -1, 0 };
-static int db9_nargs_2 __initdata = 0;
-module_param_array_named(dev2, db9_2, int, &db9_nargs_2, 0);
-MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)");
+#define DB9_MAX_PORTS		3
+static struct db9_config db9[DB9_MAX_PORTS] __initdata;
 
-static int db9_3[] __initdata = { -1, 0 };
-static int db9_nargs_3 __initdata = 0;
-module_param_array_named(dev3, db9_3, int, &db9_nargs_3, 0);
+module_param_array_named(dev, db9[0].args, int, &db9[0].nargs, 0);
+MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)");
+module_param_array_named(dev2, db9[1].args, int, &db9[0].nargs, 0);
+MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)");
+module_param_array_named(dev3, db9[2].args, int, &db9[2].nargs, 0);
 MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)");
 
 __obsolete_setup("db9=");
 __obsolete_setup("db9_2=");
 __obsolete_setup("db9_3=");
 
+#define DB9_ARG_PARPORT		0
+#define DB9_ARG_MODE		1
+
 #define DB9_MULTI_STICK		0x01
 #define DB9_MULTI2_STICK	0x02
 #define DB9_GENESIS_PAD		0x03
@@ -87,40 +90,53 @@ __obsolete_setup("db9_3=");
 #define DB9_NORMAL		0x0a
 #define DB9_NOSELECT		0x08
 
-#define DB9_MAX_DEVICES		2
-
 #define DB9_GENESIS6_DELAY	14
 #define DB9_REFRESH_TIME	HZ/100
 
+#define DB9_MAX_DEVICES		2
+
+struct db9_mode_data {
+	const char *name;
+	const short *buttons;
+	int n_buttons;
+	int n_pads;
+	int n_axis;
+	int bidirectional;
+	int reverse;
+};
+
 struct db9 {
-	struct input_dev dev[DB9_MAX_DEVICES];
+	struct input_dev *dev[DB9_MAX_DEVICES];
 	struct timer_list timer;
 	struct pardevice *pd;
 	int mode;
 	int used;
 	struct semaphore sem;
-	char phys[2][32];
+	char phys[DB9_MAX_DEVICES][32];
 };
 
 static struct db9 *db9_base[3];
 
-static short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB };
-static short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE };
-static short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START };
-
-static char db9_buttons[DB9_MAX_PAD] = { 0, 1, 2, 4, 0, 6, 8, 9, 1, 1, 7, 9, 9 };
-static short *db9_btn[DB9_MAX_PAD] = { NULL, db9_multi_btn, db9_multi_btn, db9_genesis_btn, NULL, db9_genesis_btn,
-					db9_genesis_btn, db9_cd32_btn, db9_multi_btn, db9_multi_btn, db9_cd32_btn,
-					db9_cd32_btn, db9_cd32_btn };
-static char *db9_name[DB9_MAX_PAD] = { NULL, "Multisystem joystick", "Multisystem joystick (2 fire)", "Genesis pad",
-				      NULL, "Genesis 5 pad", "Genesis 6 pad", "Saturn pad", "Multisystem (0.8.0.2) joystick",
-				     "Multisystem (0.8.0.2-dual) joystick", "Amiga CD-32 pad", "Saturn dpp", "Saturn dpp dual" };
-
-static const int db9_max_pads[DB9_MAX_PAD] = { 0, 1, 1, 1, 0, 1, 1, 6, 1, 2, 1, 6, 12 };
-static const int db9_num_axis[DB9_MAX_PAD] = { 0, 2, 2, 2, 0, 2, 2, 7, 2, 2, 2 ,7, 7 };
+static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB };
+static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE };
+static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START };
 static const short db9_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_RZ, ABS_Z, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y };
-static const int db9_bidirectional[DB9_MAX_PAD] = { 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0 };
-static const int db9_reverse[DB9_MAX_PAD] = { 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0 };
+
+static const struct db9_mode_data db9_modes[] = {
+	{ NULL,					 NULL,		  0,  0,  0,  0,  0 },
+	{ "Multisystem joystick",		 db9_multi_btn,	  1,  1,  2,  1,  1 },
+	{ "Multisystem joystick (2 fire)",	 db9_multi_btn,	  2,  1,  2,  1,  1 },
+	{ "Genesis pad",			 db9_genesis_btn, 4,  1,  2,  1,  1 },
+	{ NULL,					 NULL,		  0,  0,  0,  0,  0 },
+	{ "Genesis 5 pad",			 db9_genesis_btn, 6,  1,  2,  1,  1 },
+	{ "Genesis 6 pad",			 db9_genesis_btn, 8,  1,  2,  1,  1 },
+	{ "Saturn pad",				 db9_cd32_btn,	  9,  6,  7,  0,  1 },
+	{ "Multisystem (0.8.0.2) joystick",	 db9_multi_btn,	  1,  1,  2,  1,  1 },
+	{ "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn,	  1,  2,  2,  1,  1 },
+	{ "Amiga CD-32 pad",			 db9_cd32_btn,	  7,  1,  2,  1,  1 },
+	{ "Saturn dpp",				 db9_cd32_btn,	  9,  6,  7,  0,  0 },
+	{ "Saturn dpp dual",			 db9_cd32_btn,	  9,  12, 7,  0,  0 },
+};
 
 /*
  * Saturn controllers
@@ -342,7 +358,7 @@ static int db9_saturn(int mode, struct parport *port, struct input_dev *dev)
 	default:
 		return -1;
 	}
-	max_pads = min(db9_max_pads[mode], DB9_MAX_DEVICES);
+	max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES);
 	for (tmp = 0, i = 0; i < n; i++) {
 		id = db9_saturn_read_packet(port, data, type + i, 1);
 		tmp = db9_saturn_report(id, data, dev, tmp, max_pads);
@@ -354,17 +370,18 @@ static void db9_timer(unsigned long private)
 {
 	struct db9 *db9 = (void *) private;
 	struct parport *port = db9->pd->port;
-	struct input_dev *dev = db9->dev;
+	struct input_dev *dev = db9->dev[0];
+	struct input_dev *dev2 = db9->dev[1];
 	int data, i;
 
-	switch(db9->mode) {
+	switch (db9->mode) {
 		case DB9_MULTI_0802_2:
 
 			data = parport_read_data(port) >> 3;
 
-			input_report_abs(dev + 1, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
-			input_report_abs(dev + 1, ABS_Y, (data & DB9_DOWN  ? 0 : 1) - (data & DB9_UP   ? 0 : 1));
-			input_report_key(dev + 1, BTN_TRIGGER, ~data & DB9_FIRE1);
+			input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
+			input_report_abs(dev2, ABS_Y, (data & DB9_DOWN  ? 0 : 1) - (data & DB9_UP   ? 0 : 1));
+			input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1);
 
 		case DB9_MULTI_0802:
 
@@ -405,7 +422,7 @@ static void db9_timer(unsigned long private)
 			input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
 
 			parport_write_control(port, DB9_NORMAL);
-			data=parport_read_data(port);
+			data = parport_read_data(port);
 
 			input_report_key(dev, BTN_A,     ~data & DB9_FIRE1);
 			input_report_key(dev, BTN_START, ~data & DB9_FIRE2);
@@ -414,7 +431,7 @@ static void db9_timer(unsigned long private)
 		case DB9_GENESIS5_PAD:
 
 			parport_write_control(port, DB9_NOSELECT);
-			data=parport_read_data(port);
+			data = parport_read_data(port);
 
 			input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
 			input_report_abs(dev, ABS_Y, (data & DB9_DOWN  ? 0 : 1) - (data & DB9_UP   ? 0 : 1));
@@ -422,7 +439,7 @@ static void db9_timer(unsigned long private)
 			input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
 
 			parport_write_control(port, DB9_NORMAL);
-			data=parport_read_data(port);
+			data = parport_read_data(port);
 
 			input_report_key(dev, BTN_A,     ~data & DB9_FIRE1);
 			input_report_key(dev, BTN_X,     ~data & DB9_FIRE2);
@@ -434,7 +451,7 @@ static void db9_timer(unsigned long private)
 
 			parport_write_control(port, DB9_NOSELECT); /* 1 */
 			udelay(DB9_GENESIS6_DELAY);
-			data=parport_read_data(port);
+			data = parport_read_data(port);
 
 			input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
 			input_report_abs(dev, ABS_Y, (data & DB9_DOWN  ? 0 : 1) - (data & DB9_UP   ? 0 : 1));
@@ -443,7 +460,7 @@ static void db9_timer(unsigned long private)
 
 			parport_write_control(port, DB9_NORMAL);
 			udelay(DB9_GENESIS6_DELAY);
-			data=parport_read_data(port);
+			data = parport_read_data(port);
 
 			input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
 			input_report_key(dev, BTN_START, ~data & DB9_FIRE2);
@@ -477,7 +494,7 @@ static void db9_timer(unsigned long private)
 
 		case DB9_CD32_PAD:
 
-			data=parport_read_data(port);
+			data = parport_read_data(port);
 
 			input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
 			input_report_abs(dev, ABS_Y, (data & DB9_DOWN  ? 0 : 1) - (data & DB9_UP   ? 0 : 1));
@@ -489,7 +506,7 @@ static void db9_timer(unsigned long private)
 				parport_write_control(port, 0x02);
 				parport_write_control(port, 0x0a);
 				input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2);
-				}
+			}
 
 			parport_write_control(port, 0x00);
 			break;
@@ -513,7 +530,7 @@ static int db9_open(struct input_dev *dev)
 	if (!db9->used++) {
 		parport_claim(db9->pd);
 		parport_write_data(port, 0xff);
-		if (db9_reverse[db9->mode]) {
+		if (db9_modes[db9->mode].reverse) {
 			parport_data_reverse(port);
 			parport_write_control(port, DB9_NORMAL);
 		}
@@ -539,117 +556,160 @@ static void db9_close(struct input_dev *dev)
 	up(&db9->sem);
 }
 
-static struct db9 __init *db9_probe(int *config, int nargs)
+static struct db9 __init *db9_probe(int parport, int mode)
 {
 	struct db9 *db9;
+	const struct db9_mode_data *db9_mode;
 	struct parport *pp;
+	struct pardevice *pd;
+	struct input_dev *input_dev;
 	int i, j;
+	int err;
 
-	if (config[0] < 0)
-		return NULL;
-
-	if (nargs < 2) {
-		printk(KERN_ERR "db9.c: Device type must be specified.\n");
-		return NULL;
+	if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) {
+		printk(KERN_ERR "db9.c: Bad device type %d\n", mode);
+		err = -EINVAL;
+		goto err_out;
 	}
 
-	if (config[1] < 1 || config[1] >= DB9_MAX_PAD || !db9_buttons[config[1]]) {
-		printk(KERN_ERR "db9.c: bad config\n");
-		return NULL;
-	}
+	db9_mode = &db9_modes[mode];
 
-	pp = parport_find_number(config[0]);
+	pp = parport_find_number(parport);
 	if (!pp) {
 		printk(KERN_ERR "db9.c: no such parport\n");
-		return NULL;
+		err = -ENODEV;
+		goto err_out;
 	}
 
-	if (db9_bidirectional[config[1]]) {
-		if (!(pp->modes & PARPORT_MODE_TRISTATE)) {
-			printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
-			parport_put_port(pp);
-			return NULL;
-		}
+	if (db9_mode[mode].bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) {
+		printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
+		err = -EINVAL;
+		goto err_put_pp;
+	}
+
+	pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
+	if (!pd) {
+		printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n");
+		err = -EBUSY;
+		goto err_put_pp;
 	}
 
-	if (!(db9 = kzalloc(sizeof(struct db9), GFP_KERNEL))) {
-		parport_put_port(pp);
-		return NULL;
+	db9 = kzalloc(sizeof(struct db9), GFP_KERNEL);
+	if (!db9) {
+		printk(KERN_ERR "db9.c: Not enough memory\n");
+		err = -ENOMEM;
+		goto err_unreg_pardev;
 	}
 
 	init_MUTEX(&db9->sem);
-	db9->mode = config[1];
+	db9->pd = pd;
+	db9->mode = mode;
 	init_timer(&db9->timer);
 	db9->timer.data = (long) db9;
 	db9->timer.function = db9_timer;
 
-	db9->pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
-	parport_put_port(pp);
-
-	if (!db9->pd) {
-		printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n");
-		kfree(db9);
-		return NULL;
-	}
+	for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) {
 
-	for (i = 0; i < (min(db9_max_pads[db9->mode], DB9_MAX_DEVICES)); i++) {
+		db9->dev[i] = input_dev = input_allocate_device();
+		if (!input_dev) {
+			printk(KERN_ERR "db9.c: Not enough memory for input device\n");
+			err = -ENOMEM;
+			goto err_free_devs;
+		}
 
 		sprintf(db9->phys[i], "%s/input%d", db9->pd->port->name, i);
 
-		db9->dev[i].private = db9;
-		db9->dev[i].open = db9_open;
-		db9->dev[i].close = db9_close;
-
-		db9->dev[i].name = db9_name[db9->mode];
-		db9->dev[i].phys = db9->phys[i];
-		db9->dev[i].id.bustype = BUS_PARPORT;
-		db9->dev[i].id.vendor = 0x0002;
-		db9->dev[i].id.product = config[1];
-		db9->dev[i].id.version = 0x0100;
-
-		db9->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-		for (j = 0; j < db9_buttons[db9->mode]; j++)
-			set_bit(db9_btn[db9->mode][j], db9->dev[i].keybit);
-		for (j = 0; j < db9_num_axis[db9->mode]; j++) {
-			set_bit(db9_abs[j], db9->dev[i].absbit);
-			if (j < 2) {
-				db9->dev[i].absmin[db9_abs[j]] = -1;
-				db9->dev[i].absmax[db9_abs[j]] = 1;
-			} else {
-				db9->dev[i].absmin[db9_abs[j]] = 1;
-				db9->dev[i].absmax[db9_abs[j]] = 255;
-				db9->dev[i].absflat[db9_abs[j]] = 0;
-			}
+		input_dev->name = db9_mode->name;
+		input_dev->phys = db9->phys[i];
+		input_dev->id.bustype = BUS_PARPORT;
+		input_dev->id.vendor = 0x0002;
+		input_dev->id.product = mode;
+		input_dev->id.version = 0x0100;
+		input_dev->private = db9;
+
+		input_dev->open = db9_open;
+		input_dev->close = db9_close;
+
+		input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		for (j = 0; j < db9_mode->n_buttons; j++)
+			set_bit(db9_mode->buttons[j], input_dev->keybit);
+		for (j = 0; j < db9_mode->n_axis; j++) {
+			if (j < 2)
+				input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0);
+			else
+				input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0);
 		}
-		input_register_device(db9->dev + i);
-		printk(KERN_INFO "input: %s on %s\n", db9->dev[i].name, db9->pd->port->name);
+
+		input_register_device(input_dev);
 	}
 
+	parport_put_port(pp);
 	return db9;
+
+ err_free_devs:
+	while (--i >= 0)
+		input_unregister_device(db9->dev[i]);
+	kfree(db9);
+ err_unreg_pardev:
+	parport_unregister_device(pd);
+ err_put_pp:
+	parport_put_port(pp);
+ err_out:
+	return ERR_PTR(err);
+}
+
+static void __exit db9_remove(struct db9 *db9)
+{
+	int i;
+
+	for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++)
+		input_unregister_device(db9->dev[i]);
+	parport_unregister_device(db9->pd);
+	kfree(db9);
 }
 
 static int __init db9_init(void)
 {
-	db9_base[0] = db9_probe(db9, db9_nargs);
-	db9_base[1] = db9_probe(db9_2, db9_nargs_2);
-	db9_base[2] = db9_probe(db9_3, db9_nargs_3);
+	int i;
+	int have_dev = 0;
+	int err = 0;
+
+	for (i = 0; i < DB9_MAX_PORTS; i++) {
+		if (db9[i].nargs == 0 || db9[i].args[DB9_ARG_PARPORT] < 0)
+			continue;
+
+		if (db9[i].nargs < 2) {
+			printk(KERN_ERR "db9.c: Device type must be specified.\n");
+			err = -EINVAL;
+			break;
+		}
+
+		db9_base[i] = db9_probe(db9[i].args[DB9_ARG_PARPORT],
+					db9[i].args[DB9_ARG_MODE]);
+		if (IS_ERR(db9_base[i])) {
+			err = PTR_ERR(db9_base[i]);
+			break;
+		}
+
+		have_dev = 1;
+	}
 
-	if (db9_base[0] || db9_base[1] || db9_base[2])
-		return 0;
+	if (err) {
+		while (--i >= 0)
+			db9_remove(db9_base[i]);
+		return err;
+	}
 
-	return -ENODEV;
+	return have_dev ? 0 : -ENODEV;
 }
 
 static void __exit db9_exit(void)
 {
-	int i, j;
+	int i;
 
-	for (i = 0; i < 3; i++)
-		if (db9_base[i]) {
-			for (j = 0; j < min(db9_max_pads[db9_base[i]->mode], DB9_MAX_DEVICES); j++)
-				input_unregister_device(db9_base[i]->dev + j);
-		parport_unregister_device(db9_base[i]->pd);
-	}
+	for (i = 0; i < DB9_MAX_PORTS; i++)
+		if (db9_base[i])
+			db9_remove(db9_base[i]);
 }
 
 module_init(db9_init);

drivers/input/joystick/gamecon.c

@@ -41,20 +41,22 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("NES, SNES, N64, MultiSystem, PSX gamepad driver");
 MODULE_LICENSE("GPL");
 
-static int gc[] __initdata = { -1, 0, 0, 0, 0, 0 };
-static int gc_nargs __initdata = 0;
-module_param_array_named(map, gc, int, &gc_nargs, 0);
-MODULE_PARM_DESC(map, "Describers first set of devices (<parport#>,<pad1>,<pad2>,..<pad5>)");
+#define GC_MAX_PORTS		3
+#define GC_MAX_DEVICES		5
 
-static int gc_2[] __initdata = { -1, 0, 0, 0, 0, 0 };
-static int gc_nargs_2 __initdata = 0;
-module_param_array_named(map2, gc_2, int, &gc_nargs_2, 0);
-MODULE_PARM_DESC(map2, "Describers second set of devices");
+struct gc_config {
+	int args[GC_MAX_DEVICES + 1];
+	int nargs;
+};
+
+static struct gc_config gc[GC_MAX_PORTS] __initdata;
 
-static int gc_3[] __initdata = { -1, 0, 0, 0, 0, 0 };
-static int gc_nargs_3 __initdata = 0;
-module_param_array_named(map3, gc_3, int, &gc_nargs_3, 0);
-MODULE_PARM_DESC(map3, "Describers third set of devices");
+module_param_array_named(map, gc[0].args, int, &gc[0].nargs, 0);
+MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<pad1>,<pad2>,..<pad5>)");
+module_param_array_named(map2, gc[1].args, int, &gc[1].nargs, 0);
+MODULE_PARM_DESC(map2, "Describes second set of devices");
+module_param_array_named(map3, gc[2].args, int, &gc[2].nargs, 0);
+MODULE_PARM_DESC(map3, "Describes third set of devices");
 
 __obsolete_setup("gc=");
 __obsolete_setup("gc_2=");
@@ -77,12 +79,12 @@ __obsolete_setup("gc_3=");
 
 struct gc {
 	struct pardevice *pd;
-	struct input_dev dev[5];
+	struct input_dev *dev[GC_MAX_DEVICES];
 	struct timer_list timer;
 	unsigned char pads[GC_MAX + 1];
 	int used;
 	struct semaphore sem;
-	char phys[5][32];
+	char phys[GC_MAX_DEVICES][32];
 };
 
 static struct gc *gc_base[3];
@@ -330,7 +332,6 @@ static void gc_psx_read_packet(struct gc *gc, unsigned char data[5][GC_PSX_BYTES
 static void gc_timer(unsigned long private)
 {
 	struct gc *gc = (void *) private;
-	struct input_dev *dev = gc->dev;
 	unsigned char data[GC_MAX_LENGTH];
 	unsigned char data_psx[5][GC_PSX_BYTES];
 	int i, j, s;
@@ -357,16 +358,16 @@ static void gc_timer(unsigned long private)
 					if (data[31 - j] & s) axes[1] |= 1 << j;
 				}
 
-				input_report_abs(dev + i, ABS_X,  axes[0]);
-				input_report_abs(dev + i, ABS_Y, -axes[1]);
+				input_report_abs(gc->dev[i], ABS_X,  axes[0]);
+				input_report_abs(gc->dev[i], ABS_Y, -axes[1]);
 
-				input_report_abs(dev + i, ABS_HAT0X, !(s & data[6]) - !(s & data[7]));
-				input_report_abs(dev + i, ABS_HAT0Y, !(s & data[4]) - !(s & data[5]));
+				input_report_abs(gc->dev[i], ABS_HAT0X, !(s & data[6]) - !(s & data[7]));
+				input_report_abs(gc->dev[i], ABS_HAT0Y, !(s & data[4]) - !(s & data[5]));
 
 				for (j = 0; j < 10; j++)
-					input_report_key(dev + i, gc_n64_btn[j], s & data[gc_n64_bytes[j]]);
+					input_report_key(gc->dev[i], gc_n64_btn[j], s & data[gc_n64_bytes[j]]);
 
-				input_sync(dev + i);
+				input_sync(gc->dev[i]);
 			}
 		}
 	}
@@ -384,19 +385,19 @@ static void gc_timer(unsigned long private)
 			s = gc_status_bit[i];
 
 			if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) {
-				input_report_abs(dev + i, ABS_X, !(s & data[6]) - !(s & data[7]));
-				input_report_abs(dev + i, ABS_Y, !(s & data[4]) - !(s & data[5]));
+				input_report_abs(gc->dev[i], ABS_X, !(s & data[6]) - !(s & data[7]));
+				input_report_abs(gc->dev[i], ABS_Y, !(s & data[4]) - !(s & data[5]));
 			}
 
 			if (s & gc->pads[GC_NES])
 				for (j = 0; j < 4; j++)
-					input_report_key(dev + i, gc_snes_btn[j], s & data[gc_nes_bytes[j]]);
+					input_report_key(gc->dev[i], gc_snes_btn[j], s & data[gc_nes_bytes[j]]);
 
 			if (s & gc->pads[GC_SNES])
 				for (j = 0; j < 8; j++)
-					input_report_key(dev + i, gc_snes_btn[j], s & data[gc_snes_bytes[j]]);
+					input_report_key(gc->dev[i], gc_snes_btn[j], s & data[gc_snes_bytes[j]]);
 
-			input_sync(dev + i);
+			input_sync(gc->dev[i]);
 		}
 	}
 
@@ -413,15 +414,15 @@ static void gc_timer(unsigned long private)
 			s = gc_status_bit[i];
 
 			if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) {
-				input_report_abs(dev + i, ABS_X,  !(s & data[2]) - !(s & data[3]));
-				input_report_abs(dev + i, ABS_Y,  !(s & data[0]) - !(s & data[1]));
-				input_report_key(dev + i, BTN_TRIGGER, s & data[4]);
+				input_report_abs(gc->dev[i], ABS_X,  !(s & data[2]) - !(s & data[3]));
+				input_report_abs(gc->dev[i], ABS_Y,  !(s & data[0]) - !(s & data[1]));
+				input_report_key(gc->dev[i], BTN_TRIGGER, s & data[4]);
 			}
 
 			if (s & gc->pads[GC_MULTI2])
-				input_report_key(dev + i, BTN_THUMB, s & data[5]);
+				input_report_key(gc->dev[i], BTN_THUMB, s & data[5]);
 
-			input_sync(dev + i);
+			input_sync(gc->dev[i]);
 		}
 	}
 
@@ -438,44 +439,44 @@ static void gc_timer(unsigned long private)
 
 				case GC_PSX_RUMBLE:
 
-					input_report_key(dev + i, BTN_THUMBL, ~data_psx[i][0] & 0x04);
-					input_report_key(dev + i, BTN_THUMBR, ~data_psx[i][0] & 0x02);
+					input_report_key(gc->dev[i], BTN_THUMBL, ~data_psx[i][0] & 0x04);
+					input_report_key(gc->dev[i], BTN_THUMBR, ~data_psx[i][0] & 0x02);
 
 				case GC_PSX_NEGCON:
 				case GC_PSX_ANALOG:
 
-					if(gc->pads[GC_DDR] & gc_status_bit[i]) {
+					if (gc->pads[GC_DDR] & gc_status_bit[i]) {
 						for(j = 0; j < 4; j++)
-							input_report_key(dev + i, gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j));
+							input_report_key(gc->dev[i], gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j));
 					} else {
 						for (j = 0; j < 4; j++)
-							input_report_abs(dev + i, gc_psx_abs[j+2], data_psx[i][j + 2]);
+							input_report_abs(gc->dev[i], gc_psx_abs[j+2], data_psx[i][j + 2]);
 
-						input_report_abs(dev + i, ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128);
-						input_report_abs(dev + i, ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128);
+						input_report_abs(gc->dev[i], ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128);
+						input_report_abs(gc->dev[i], ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128);
 					}
 
 					for (j = 0; j < 8; j++)
-						input_report_key(dev + i, gc_psx_btn[j], ~data_psx[i][1] & (1 << j));
+						input_report_key(gc->dev[i], gc_psx_btn[j], ~data_psx[i][1] & (1 << j));
 
-					input_report_key(dev + i, BTN_START,  ~data_psx[i][0] & 0x08);
-					input_report_key(dev + i, BTN_SELECT, ~data_psx[i][0] & 0x01);
+					input_report_key(gc->dev[i], BTN_START,  ~data_psx[i][0] & 0x08);
+					input_report_key(gc->dev[i], BTN_SELECT, ~data_psx[i][0] & 0x01);
 
-					input_sync(dev + i);
+					input_sync(gc->dev[i]);
 
 					break;
 
 				case GC_PSX_NORMAL:
-					if(gc->pads[GC_DDR] & gc_status_bit[i]) {
+					if (gc->pads[GC_DDR] & gc_status_bit[i]) {
 						for(j = 0; j < 4; j++)
-							input_report_key(dev + i, gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j));
+							input_report_key(gc->dev[i], gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j));
 					} else {
-						input_report_abs(dev + i, ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128);
-						input_report_abs(dev + i, ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128);
+						input_report_abs(gc->dev[i], ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128);
+						input_report_abs(gc->dev[i], ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128);
 
 						/* for some reason if the extra axes are left unset they drift */
 						/* for (j = 0; j < 4; j++)
-							input_report_abs(dev + i, gc_psx_abs[j+2], 128);
+							input_report_abs(gc->dev[i], gc_psx_abs[j+2], 128);
 						 * This needs to be debugged properly,
 						 * maybe fuzz processing needs to be done in input_sync()
 						 *				 --vojtech
@@ -483,12 +484,12 @@ static void gc_timer(unsigned long private)
 					}
 
 					for (j = 0; j < 8; j++)
-						input_report_key(dev + i, gc_psx_btn[j], ~data_psx[i][1] & (1 << j));
+						input_report_key(gc->dev[i], gc_psx_btn[j], ~data_psx[i][1] & (1 << j));
 
-					input_report_key(dev + i, BTN_START,  ~data_psx[i][0] & 0x08);
-					input_report_key(dev + i, BTN_SELECT, ~data_psx[i][0] & 0x01);
+					input_report_key(gc->dev[i], BTN_START,  ~data_psx[i][0] & 0x08);
+					input_report_key(gc->dev[i], BTN_SELECT, ~data_psx[i][0] & 0x01);
 
-					input_sync(dev + i);
+					input_sync(gc->dev[i]);
 
 					break;
 
@@ -533,177 +534,212 @@ static void gc_close(struct input_dev *dev)
 	up(&gc->sem);
 }
 
-static struct gc __init *gc_probe(int *config, int nargs)
+static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
 {
-	struct gc *gc;
-	struct parport *pp;
-	int i, j;
+	struct input_dev *input_dev;
+	int i;
 
-	if (config[0] < 0)
-		return NULL;
+	if (!pad_type)
+		return 0;
 
-	if (nargs < 2) {
-		printk(KERN_ERR "gamecon.c: at least one device must be specified\n");
-		return NULL;
+	if (pad_type < 1 || pad_type > GC_MAX) {
+		printk(KERN_WARNING "gamecon.c: Pad type %d unknown\n", pad_type);
+		return -EINVAL;
 	}
 
-	pp = parport_find_number(config[0]);
-
-	if (!pp) {
-		printk(KERN_ERR "gamecon.c: no such parport\n");
-		return NULL;
+	gc->dev[idx] = input_dev = input_allocate_device();
+	if (!input_dev) {
+		printk(KERN_ERR "gamecon.c: Not enough memory for input device\n");
+		return -ENOMEM;
 	}
 
-	if (!(gc = kzalloc(sizeof(struct gc), GFP_KERNEL))) {
-		parport_put_port(pp);
-		return NULL;
+	input_dev->name = gc_names[pad_type];
+	input_dev->phys = gc->phys[idx];
+	input_dev->id.bustype = BUS_PARPORT;
+	input_dev->id.vendor = 0x0001;
+	input_dev->id.product = pad_type;
+	input_dev->id.version = 0x0100;
+	input_dev->private = gc;
+
+	input_dev->open = gc_open;
+	input_dev->close = gc_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+	for (i = 0; i < 2; i++)
+		input_set_abs_params(input_dev, ABS_X + i, -1, 1, 0, 0);
+
+	gc->pads[0] |= gc_status_bit[idx];
+	gc->pads[pad_type] |= gc_status_bit[idx];
+
+	switch (pad_type) {
+
+		case GC_N64:
+			for (i = 0; i < 10; i++)
+				set_bit(gc_n64_btn[i], input_dev->keybit);
+
+			for (i = 0; i < 2; i++) {
+				input_set_abs_params(input_dev, ABS_X + i, -127, 126, 0, 2);
+				input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
+			}
+
+			break;
+
+		case GC_SNES:
+			for (i = 4; i < 8; i++)
+				set_bit(gc_snes_btn[i], input_dev->keybit);
+		case GC_NES:
+			for (i = 0; i < 4; i++)
+				set_bit(gc_snes_btn[i], input_dev->keybit);
+			break;
+
+		case GC_MULTI2:
+			set_bit(BTN_THUMB, input_dev->keybit);
+		case GC_MULTI:
+			set_bit(BTN_TRIGGER, input_dev->keybit);
+			break;
+
+		case GC_PSX:
+			for (i = 0; i < 6; i++)
+				input_set_abs_params(input_dev, gc_psx_abs[i], 4, 252, 0, 2);
+			for (i = 0; i < 12; i++)
+				set_bit(gc_psx_btn[i], input_dev->keybit);
+
+			break;
+
+		case GC_DDR:
+			for (i = 0; i < 4; i++)
+				set_bit(gc_psx_ddr_btn[i], input_dev->keybit);
+			for (i = 0; i < 12; i++)
+				set_bit(gc_psx_btn[i], input_dev->keybit);
+
+			break;
 	}
 
-	init_MUTEX(&gc->sem);
+	return 0;
+}
 
-	gc->pd = parport_register_device(pp, "gamecon", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
+static struct gc __init *gc_probe(int parport, int *pads, int n_pads)
+{
+	struct gc *gc;
+	struct parport *pp;
+	struct pardevice *pd;
+	int i;
+	int err;
 
-	parport_put_port(pp);
+	pp = parport_find_number(parport);
+	if (!pp) {
+		printk(KERN_ERR "gamecon.c: no such parport\n");
+		err = -EINVAL;
+		goto err_out;
+	}
 
-	if (!gc->pd) {
+	pd = parport_register_device(pp, "gamecon", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
+	if (!pd) {
 		printk(KERN_ERR "gamecon.c: parport busy already - lp.o loaded?\n");
-		kfree(gc);
-		return NULL;
+		err = -EBUSY;
+		goto err_put_pp;
 	}
 
-	parport_claim(gc->pd);
+	gc = kzalloc(sizeof(struct gc), GFP_KERNEL);
+	if (!gc) {
+		printk(KERN_ERR "gamecon.c: Not enough memory\n");
+		err = -ENOMEM;
+		goto err_unreg_pardev;
+	}
 
+	init_MUTEX(&gc->sem);
+	gc->pd = pd;
 	init_timer(&gc->timer);
 	gc->timer.data = (long) gc;
 	gc->timer.function = gc_timer;
 
-	for (i = 0; i < nargs - 1; i++) {
-
-		if (!config[i + 1])
+	for (i = 0; i < n_pads; i++) {
+		if (!pads[i])
 			continue;
 
-		if (config[i + 1] < 1 || config[i + 1] > GC_MAX) {
-			printk(KERN_WARNING "gamecon.c: Pad type %d unknown\n", config[i + 1]);
-			continue;
-		}
-
-                gc->dev[i].private = gc;
-                gc->dev[i].open = gc_open;
-                gc->dev[i].close = gc_close;
+		sprintf(gc->phys[i], "%s/input%d", gc->pd->port->name, i);
+		err = gc_setup_pad(gc, i, pads[i]);
+		if (err)
+			goto err_free_devs;
 
-                gc->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		input_register_device(gc->dev[i]);
+	}
 
-		for (j = 0; j < 2; j++) {
-			set_bit(ABS_X + j, gc->dev[i].absbit);
-			gc->dev[i].absmin[ABS_X + j] = -1;
-			gc->dev[i].absmax[ABS_X + j] =  1;
-		}
+	if (!gc->pads[0]) {
+		printk(KERN_ERR "gamecon.c: No valid devices specified\n");
+		err = -EINVAL;
+		goto err_free_gc;
+	}
 
-		gc->pads[0] |= gc_status_bit[i];
-		gc->pads[config[i + 1]] |= gc_status_bit[i];
+	parport_put_port(pp);
+	return gc;
 
-		switch(config[i + 1]) {
+ err_free_devs:
+	while (--i >= 0)
+		input_unregister_device(gc->dev[i]);
+ err_free_gc:
+	kfree(gc);
+ err_unreg_pardev:
+	parport_unregister_device(pd);
+ err_put_pp:
+	parport_put_port(pp);
+ err_out:
+	return ERR_PTR(err);
+}
 
-			case GC_N64:
-				for (j = 0; j < 10; j++)
-					set_bit(gc_n64_btn[j], gc->dev[i].keybit);
-
-				for (j = 0; j < 2; j++) {
-					set_bit(ABS_X + j, gc->dev[i].absbit);
-					gc->dev[i].absmin[ABS_X + j] = -127;
-					gc->dev[i].absmax[ABS_X + j] =  126;
-					gc->dev[i].absflat[ABS_X + j] = 2;
-					set_bit(ABS_HAT0X + j, gc->dev[i].absbit);
-					gc->dev[i].absmin[ABS_HAT0X + j] = -1;
-					gc->dev[i].absmax[ABS_HAT0X + j] =  1;
-				}
+static void __exit gc_remove(struct gc *gc)
+{
+	int i;
 
-				break;
+	for (i = 0; i < GC_MAX_DEVICES; i++)
+		if (gc->dev[i])
+			input_unregister_device(gc->dev[i]);
+	parport_unregister_device(gc->pd);
+	kfree(gc);
+}
 
-			case GC_SNES:
-				for (j = 4; j < 8; j++)
-					set_bit(gc_snes_btn[j], gc->dev[i].keybit);
-			case GC_NES:
-				for (j = 0; j < 4; j++)
-					set_bit(gc_snes_btn[j], gc->dev[i].keybit);
-				break;
-
-			case GC_MULTI2:
-				set_bit(BTN_THUMB, gc->dev[i].keybit);
-			case GC_MULTI:
-				set_bit(BTN_TRIGGER, gc->dev[i].keybit);
-				break;
-
-			case GC_PSX:
-			case GC_DDR:
-				if(config[i + 1] == GC_DDR) {
-					for (j = 0; j < 4; j++)
-						set_bit(gc_psx_ddr_btn[j], gc->dev[i].keybit);
-				} else {
-					for (j = 0; j < 6; j++) {
-						set_bit(gc_psx_abs[j], gc->dev[i].absbit);
-						gc->dev[i].absmin[gc_psx_abs[j]] = 4;
-						gc->dev[i].absmax[gc_psx_abs[j]] = 252;
-						gc->dev[i].absflat[gc_psx_abs[j]] = 2;
-					}
-				}
+static int __init gc_init(void)
+{
+	int i;
+	int have_dev = 0;
+	int err = 0;
 
-				for (j = 0; j < 12; j++)
-					set_bit(gc_psx_btn[j], gc->dev[i].keybit);
+	for (i = 0; i < GC_MAX_PORTS; i++) {
+		if (gc[i].nargs == 0 || gc[i].args[0] < 0)
+			continue;
 
-				break;
+		if (gc[i].nargs < 2) {
+			printk(KERN_ERR "gamecon.c: at least one device must be specified\n");
+			err = -EINVAL;
+			break;
 		}
 
-		sprintf(gc->phys[i], "%s/input%d", gc->pd->port->name, i);
+		gc_base[i] = gc_probe(gc[i].args[0], gc[i].args + 1, gc[i].nargs - 1);
+		if (IS_ERR(gc_base[i])) {
+			err = PTR_ERR(gc_base[i]);
+			break;
+		}
 
-                gc->dev[i].name = gc_names[config[i + 1]];
-		gc->dev[i].phys = gc->phys[i];
-                gc->dev[i].id.bustype = BUS_PARPORT;
-                gc->dev[i].id.vendor = 0x0001;
-                gc->dev[i].id.product = config[i + 1];
-                gc->dev[i].id.version = 0x0100;
+		have_dev = 1;
 	}
 
-	parport_release(gc->pd);
-
-	if (!gc->pads[0]) {
-		parport_unregister_device(gc->pd);
-		kfree(gc);
-		return NULL;
+	if (err) {
+		while (--i >= 0)
+			gc_remove(gc_base[i]);
+		return err;
 	}
 
-	for (i = 0; i < 5; i++)
-		if (gc->pads[0] & gc_status_bit[i]) {
-			input_register_device(gc->dev + i);
-			printk(KERN_INFO "input: %s on %s\n", gc->dev[i].name, gc->pd->port->name);
-		}
-
-	return gc;
-}
-
-static int __init gc_init(void)
-{
-	gc_base[0] = gc_probe(gc, gc_nargs);
-	gc_base[1] = gc_probe(gc_2, gc_nargs_2);
-	gc_base[2] = gc_probe(gc_3, gc_nargs_3);
-
-	if (gc_base[0] || gc_base[1] || gc_base[2])
-		return 0;
-
-	return -ENODEV;
+	return have_dev ? 0 : -ENODEV;
 }
 
 static void __exit gc_exit(void)
 {
-	int i, j;
-
-	for (i = 0; i < 3; i++)
-		if (gc_base[i]) {
-			for (j = 0; j < 5; j++)
-				if (gc_base[i]->pads[0] & gc_status_bit[j])
-					input_unregister_device(gc_base[i]->dev + j);
-			parport_unregister_device(gc_base[i]->pd);
-		}
+	int i;
+
+	for (i = 0; i < GC_MAX_PORTS; i++)
+		if (gc_base[i])
+			gc_remove(gc_base[i]);
 }
 
 module_init(gc_init);

drivers/input/joystick/gf2k.c

@@ -81,7 +81,7 @@ static short gf2k_seq_digital[] = { 590, 320, 860, 0 };
 
 struct gf2k {
 	struct gameport *gameport;
-	struct input_dev dev;
+	struct input_dev *dev;
 	int reads;
 	int bads;
 	unsigned char id;
@@ -175,7 +175,7 @@ static int gf2k_get_bits(unsigned char *buf, int pos, int num, int shift)
 
 static void gf2k_read(struct gf2k *gf2k, unsigned char *data)
 {
-	struct input_dev *dev = &gf2k->dev;
+	struct input_dev *dev = gf2k->dev;
 	int i, t;
 
 	for (i = 0; i < 4 && i < gf2k_axes[gf2k->id]; i++)
@@ -239,13 +239,19 @@ static void gf2k_close(struct input_dev *dev)
 static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
 	struct gf2k *gf2k;
+	struct input_dev *input_dev;
 	unsigned char data[GF2K_LENGTH];
 	int i, err;
 
-	if (!(gf2k = kzalloc(sizeof(struct gf2k), GFP_KERNEL)))
-		return -ENOMEM;
+	gf2k = kzalloc(sizeof(struct gf2k), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!gf2k || !input_dev) {
+		err = -ENOMEM;
+		goto fail1;
+	}
 
 	gf2k->gameport = gameport;
+	gf2k->dev = input_dev;
 
 	gameport_set_drvdata(gameport, gf2k);
 
@@ -295,53 +301,52 @@ static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)
 
 	gf2k->length = gf2k_lens[gf2k->id];
 
-	init_input_dev(&gf2k->dev);
-
-	gf2k->dev.private = gf2k;
-	gf2k->dev.open = gf2k_open;
-	gf2k->dev.close = gf2k_close;
-	gf2k->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->name = gf2k_names[gf2k->id];
+	input_dev->phys = gf2k->phys;
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_GENIUS;
+	input_dev->id.product = gf2k->id;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &gameport->dev;
+	input_dev->private = gf2k;
 
-	gf2k->dev.name = gf2k_names[gf2k->id];
-	gf2k->dev.phys = gf2k->phys;
-	gf2k->dev.id.bustype = BUS_GAMEPORT;
-	gf2k->dev.id.vendor = GAMEPORT_ID_VENDOR_GENIUS;
-	gf2k->dev.id.product = gf2k->id;
-	gf2k->dev.id.version = 0x0100;
+	input_dev->open = gf2k_open;
+	input_dev->close = gf2k_close;
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	for (i = 0; i < gf2k_axes[gf2k->id]; i++)
-		set_bit(gf2k_abs[i], gf2k->dev.absbit);
+		set_bit(gf2k_abs[i], input_dev->absbit);
 
 	for (i = 0; i < gf2k_hats[gf2k->id]; i++) {
-		set_bit(ABS_HAT0X + i, gf2k->dev.absbit);
-		gf2k->dev.absmin[ABS_HAT0X + i] = -1;
-		gf2k->dev.absmax[ABS_HAT0X + i] = 1;
+		set_bit(ABS_HAT0X + i, input_dev->absbit);
+		input_dev->absmin[ABS_HAT0X + i] = -1;
+		input_dev->absmax[ABS_HAT0X + i] = 1;
 	}
 
 	for (i = 0; i < gf2k_joys[gf2k->id]; i++)
-		set_bit(gf2k_btn_joy[i], gf2k->dev.keybit);
+		set_bit(gf2k_btn_joy[i], input_dev->keybit);
 
 	for (i = 0; i < gf2k_pads[gf2k->id]; i++)
-		set_bit(gf2k_btn_pad[i], gf2k->dev.keybit);
+		set_bit(gf2k_btn_pad[i], input_dev->keybit);
 
 	gf2k_read_packet(gameport, gf2k->length, data);
 	gf2k_read(gf2k, data);
 
 	for (i = 0; i < gf2k_axes[gf2k->id]; i++) {
-		gf2k->dev.absmax[gf2k_abs[i]] = (i < 2) ? gf2k->dev.abs[gf2k_abs[i]] * 2 - 32 :
-			  gf2k->dev.abs[gf2k_abs[0]] + gf2k->dev.abs[gf2k_abs[1]] - 32;
-		gf2k->dev.absmin[gf2k_abs[i]] = 32;
-		gf2k->dev.absfuzz[gf2k_abs[i]] = 8;
-		gf2k->dev.absflat[gf2k_abs[i]] = (i < 2) ? 24 : 0;
+		input_dev->absmax[gf2k_abs[i]] = (i < 2) ? input_dev->abs[gf2k_abs[i]] * 2 - 32 :
+			  input_dev->abs[gf2k_abs[0]] + input_dev->abs[gf2k_abs[1]] - 32;
+		input_dev->absmin[gf2k_abs[i]] = 32;
+		input_dev->absfuzz[gf2k_abs[i]] = 8;
+		input_dev->absflat[gf2k_abs[i]] = (i < 2) ? 24 : 0;
 	}
 
-	input_register_device(&gf2k->dev);
-	printk(KERN_INFO "input: %s on %s\n", gf2k_names[gf2k->id], gameport->phys);
+	input_register_device(gf2k->dev);
 
 	return 0;
 
-fail2:	gameport_close(gameport);
-fail1:	gameport_set_drvdata(gameport, NULL);
+ fail2:	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
+	input_free_device(input_dev);
 	kfree(gf2k);
 	return err;
 }
@@ -350,7 +355,7 @@ static void gf2k_disconnect(struct gameport *gameport)
 {
 	struct gf2k *gf2k = gameport_get_drvdata(gameport);
 
-	input_unregister_device(&gf2k->dev);
+	input_unregister_device(gf2k->dev);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(gf2k);

drivers/input/joystick/grip.c

@@ -55,7 +55,7 @@ MODULE_LICENSE("GPL");
 
 struct grip {
 	struct gameport *gameport;
-	struct input_dev dev[2];
+	struct input_dev *dev[2];
 	unsigned char mode[2];
 	int reads;
 	int bads;
@@ -190,7 +190,7 @@ static void grip_poll(struct gameport *gameport)
 
 	for (i = 0; i < 2; i++) {
 
-		dev = grip->dev + i;
+		dev = grip->dev[i];
 		grip->reads++;
 
 		switch (grip->mode[i]) {
@@ -297,6 +297,7 @@ static void grip_close(struct input_dev *dev)
 static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
 	struct grip *grip;
+	struct input_dev *input_dev;
 	unsigned int data[GRIP_LENGTH_XT];
 	int i, j, t;
 	int err;
@@ -339,48 +340,56 @@ static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
 	gameport_set_poll_handler(gameport, grip_poll);
 	gameport_set_poll_interval(gameport, 20);
 
-	for (i = 0; i < 2; i++)
-		if (grip->mode[i]) {
+	for (i = 0; i < 2; i++) {
+		if (!grip->mode[i])
+			continue;
 
-			sprintf(grip->phys[i], "%s/input%d", gameport->phys, i);
+		grip->dev[i] = input_dev = input_allocate_device();
+		if (!input_dev) {
+			err = -ENOMEM;
+			goto fail3;
+		}
 
-			grip->dev[i].private = grip;
+		sprintf(grip->phys[i], "%s/input%d", gameport->phys, i);
 
-			grip->dev[i].open = grip_open;
-			grip->dev[i].close = grip_close;
+		input_dev->name = grip_name[grip->mode[i]];
+		input_dev->phys = grip->phys[i];
+		input_dev->id.bustype = BUS_GAMEPORT;
+		input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
+		input_dev->id.product = grip->mode[i];
+		input_dev->id.version = 0x0100;
+		input_dev->cdev.dev = &gameport->dev;
+		input_dev->private = grip;
 
-			grip->dev[i].name = grip_name[grip->mode[i]];
-			grip->dev[i].phys = grip->phys[i];
-			grip->dev[i].id.bustype = BUS_GAMEPORT;
-			grip->dev[i].id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
-			grip->dev[i].id.product = grip->mode[i];
-			grip->dev[i].id.version = 0x0100;
+		input_dev->open = grip_open;
+		input_dev->close = grip_close;
 
-			grip->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
-			for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) {
+		for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) {
 
-				if (j < grip_cen[grip->mode[i]])
-					input_set_abs_params(&grip->dev[i], t, 14, 52, 1, 2);
-				else if (j < grip_anx[grip->mode[i]])
-					input_set_abs_params(&grip->dev[i], t, 3, 57, 1, 0);
-				else
-					input_set_abs_params(&grip->dev[i], t, -1, 1, 0, 0);
-			}
+			if (j < grip_cen[grip->mode[i]])
+				input_set_abs_params(input_dev, t, 14, 52, 1, 2);
+			else if (j < grip_anx[grip->mode[i]])
+				input_set_abs_params(input_dev, t, 3, 57, 1, 0);
+			else
+				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
+		}
 
-			for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++)
-				if (t > 0)
-					set_bit(t, grip->dev[i].keybit);
+		for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++)
+			if (t > 0)
+				set_bit(t, input_dev->keybit);
 
-			printk(KERN_INFO "input: %s on %s\n",
-				grip_name[grip->mode[i]], gameport->phys);
-			input_register_device(grip->dev + i);
-		}
+		input_register_device(grip->dev[i]);
+	}
 
 	return 0;
 
-fail2:	gameport_close(gameport);
-fail1:	gameport_set_drvdata(gameport, NULL);
+ fail3: for (i = 0; i < 2; i++)
+		if (grip->dev[i])
+			input_unregister_device(grip->dev[i]);
+ fail2:	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
 	kfree(grip);
 	return err;
 }
@@ -391,8 +400,8 @@ static void grip_disconnect(struct gameport *gameport)
 	int i;
 
 	for (i = 0; i < 2; i++)
-		if (grip->mode[i])
-			input_unregister_device(grip->dev + i);
+		if (grip->dev[i])
+			input_unregister_device(grip->dev[i]);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(grip);

drivers/input/joystick/grip_mp.c

@@ -32,23 +32,37 @@ MODULE_LICENSE("GPL");
 #define dbg(format, arg...) do {} while (0)
 #endif
 
+#define GRIP_MAX_PORTS	4
 /*
  * Grip multiport state
  */
 
+struct grip_port {
+	struct input_dev *dev;
+	int mode;
+	int registered;
+
+	/* individual gamepad states */
+	int buttons;
+	int xaxes;
+	int yaxes;
+	int dirty;     /* has the state been updated? */
+};
+
 struct grip_mp {
 	struct gameport *gameport;
-	struct input_dev dev[4];
-	int mode[4];
-	int registered[4];
+	struct grip_port *port[GRIP_MAX_PORTS];
+//	struct input_dev *dev[4];
+//	int mode[4];
+//	int registered[4];
 	int reads;
 	int bads;
 
 	/* individual gamepad states */
-	int buttons[4];
-	int xaxes[4];
-	int yaxes[4];
-	int dirty[4];     /* has the state been updated? */
+//	int buttons[4];
+//	int xaxes[4];
+//	int yaxes[4];
+//	int dirty[4];     /* has the state been updated? */
 };
 
 /*
@@ -85,16 +99,16 @@ struct grip_mp {
 #define GRIP_MODE_GP		2
 #define GRIP_MODE_C64		3
 
-static int grip_btn_gp[]  = { BTN_TR, BTN_TL, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, -1 };
-static int grip_btn_c64[] = { BTN_JOYSTICK, -1 };
+static const int grip_btn_gp[]  = { BTN_TR, BTN_TL, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, -1 };
+static const int grip_btn_c64[] = { BTN_JOYSTICK, -1 };
 
-static int grip_abs_gp[]  = { ABS_X, ABS_Y, -1 };
-static int grip_abs_c64[] = { ABS_X, ABS_Y, -1 };
+static const int grip_abs_gp[]  = { ABS_X, ABS_Y, -1 };
+static const int grip_abs_c64[] = { ABS_X, ABS_Y, -1 };
 
-static int *grip_abs[] = { NULL, NULL, grip_abs_gp, grip_abs_c64 };
-static int *grip_btn[] = { NULL, NULL, grip_btn_gp, grip_btn_c64 };
+static const int *grip_abs[] = { NULL, NULL, grip_abs_gp, grip_abs_c64 };
+static const int *grip_btn[] = { NULL, NULL, grip_btn_gp, grip_btn_c64 };
 
-static char *grip_name[] = { NULL, NULL, "Gravis Grip Pad", "Commodore 64 Joystick" };
+static const char *grip_name[] = { NULL, NULL, "Gravis Grip Pad", "Commodore 64 Joystick" };
 
 static const int init_seq[] = {
 	1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1,
@@ -104,9 +118,9 @@ static const int init_seq[] = {
 
 /* Maps multiport directional values to X,Y axis values (each axis encoded in 3 bits) */
 
-static int axis_map[] = { 5, 9, 1, 5, 6, 10, 2, 6, 4, 8, 0, 4, 5, 9, 1, 5 };
+static const int axis_map[] = { 5, 9, 1, 5, 6, 10, 2, 6, 4, 8, 0, 4, 5, 9, 1, 5 };
 
-static void register_slot(int i, struct grip_mp *grip);
+static int register_slot(int i, struct grip_mp *grip);
 
 /*
  * Returns whether an odd or even number of bits are on in pkt.
@@ -353,9 +367,10 @@ static int dig_mode_start(struct gameport *gameport, u32 *packet)
 
 static int get_and_decode_packet(struct grip_mp *grip, int flags)
 {
+	struct grip_port *port;
 	u32 packet;
 	int joytype = 0;
-	int slot = 0;
+	int slot;
 
 	/* Get a packet and check for validity */
 
@@ -377,6 +392,8 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags)
 	if ((slot < 0) || (slot > 3))
 		return flags;
 
+	port = grip->port[slot];
+
 	/*
 	 * Handle "reset" packets, which occur at startup, and when gamepads
 	 * are removed or plugged in.  May contain configuration of a new gamepad.
@@ -385,14 +402,14 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags)
 	joytype = (packet >> 16) & 0x1f;
 	if (!joytype) {
 
-		if (grip->registered[slot]) {
+		if (port->registered) {
 			printk(KERN_INFO "grip_mp: removing %s, slot %d\n",
-			       grip_name[grip->mode[slot]], slot);
-			input_unregister_device(grip->dev + slot);
-			grip->registered[slot] = 0;
+			       grip_name[port->mode], slot);
+			input_unregister_device(port->dev);
+			port->registered = 0;
 		}
 		dbg("Reset: grip multiport slot %d\n", slot);
-		grip->mode[slot] = GRIP_MODE_RESET;
+		port->mode = GRIP_MODE_RESET;
 		flags |= IO_SLOT_CHANGE;
 		return flags;
 	}
@@ -402,17 +419,17 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags)
 	if (joytype == 0x1f) {
 
 		int dir = (packet >> 8) & 0xf;          /* eight way directional value */
-		grip->buttons[slot] = (~packet) & 0xff;
-		grip->yaxes[slot] = ((axis_map[dir] >> 2) & 3) - 1;
-		grip->xaxes[slot] = (axis_map[dir] & 3) - 1;
-		grip->dirty[slot] = 1;
+		port->buttons = (~packet) & 0xff;
+		port->yaxes = ((axis_map[dir] >> 2) & 3) - 1;
+		port->xaxes = (axis_map[dir] & 3) - 1;
+		port->dirty = 1;
 
-		if (grip->mode[slot] == GRIP_MODE_RESET)
+		if (port->mode == GRIP_MODE_RESET)
 			flags |= IO_SLOT_CHANGE;
 
-		grip->mode[slot] = GRIP_MODE_GP;
+		port->mode = GRIP_MODE_GP;
 
-		if (!grip->registered[slot]) {
+		if (!port->registered) {
 			dbg("New Grip pad in multiport slot %d.\n", slot);
 			register_slot(slot, grip);
 		}
@@ -445,9 +462,9 @@ static int slots_valid(struct grip_mp *grip)
 		return 0;
 
 	for (slot = 0; slot < 4; slot++) {
-		if (grip->mode[slot] == GRIP_MODE_RESET)
+		if (grip->port[slot]->mode == GRIP_MODE_RESET)
 			invalid = 1;
-		if (grip->mode[slot] != GRIP_MODE_NONE)
+		if (grip->port[slot]->mode != GRIP_MODE_NONE)
 			active = 1;
 	}
 
@@ -484,7 +501,7 @@ static int multiport_init(struct grip_mp *grip)
 
 	/* Get packets, store multiport state, and check state's validity */
 	for (tries = 0; tries < 4096; tries++) {
-		if ( slots_valid(grip) ) {
+		if (slots_valid(grip)) {
 			initialized = 1;
 			break;
 		}
@@ -499,24 +516,24 @@ static int multiport_init(struct grip_mp *grip)
 
 static void report_slot(struct grip_mp *grip, int slot)
 {
-	struct input_dev *dev = &(grip->dev[slot]);
-	int i, buttons = grip->buttons[slot];
+	struct grip_port *port = grip->port[slot];
+	int i;
 
 	/* Store button states with linux input driver */
 
 	for (i = 0; i < 8; i++)
-		input_report_key(dev, grip_btn_gp[i], (buttons >> i) & 1);
+		input_report_key(port->dev, grip_btn_gp[i], (port->buttons >> i) & 1);
 
 	/* Store axis states with linux driver */
 
-	input_report_abs(dev, ABS_X, grip->xaxes[slot]);
-	input_report_abs(dev, ABS_Y, grip->yaxes[slot]);
+	input_report_abs(port->dev, ABS_X, port->xaxes);
+	input_report_abs(port->dev, ABS_Y, port->yaxes);
 
 	/* Tell the receiver of the events to process them */
 
-	input_sync(dev);
+	input_sync(port->dev);
 
-	grip->dirty[slot] = 0;
+	port->dirty = 0;
 }
 
 /*
@@ -540,7 +557,7 @@ static void grip_poll(struct gameport *gameport)
 	}
 
 	for (i = 0; i < 4; i++)
-		if (grip->dirty[i])
+		if (grip->port[i]->dirty)
 			report_slot(grip, i);
 }
 
@@ -571,35 +588,43 @@ static void grip_close(struct input_dev *dev)
  * Tell the linux input layer about a newly plugged-in gamepad.
  */
 
-static void register_slot(int slot, struct grip_mp *grip)
+static int register_slot(int slot, struct grip_mp *grip)
 {
+	struct grip_port *port = grip->port[slot];
+	struct input_dev *input_dev;
 	int j, t;
 
-	grip->dev[slot].private = grip;
-	grip->dev[slot].open = grip_open;
-	grip->dev[slot].close = grip_close;
-	grip->dev[slot].name = grip_name[grip->mode[slot]];
-	grip->dev[slot].id.bustype = BUS_GAMEPORT;
-	grip->dev[slot].id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
-	grip->dev[slot].id.product = 0x0100 + grip->mode[slot];
-	grip->dev[slot].id.version = 0x0100;
-	grip->dev[slot].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	port->dev = input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
+
+	input_dev->name = grip_name[port->mode];
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS;
+	input_dev->id.product = 0x0100 + port->mode;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &grip->gameport->dev;
+	input_dev->private = grip;
+
+	input_dev->open = grip_open;
+	input_dev->close = grip_close;
 
-	for (j = 0; (t = grip_abs[grip->mode[slot]][j]) >= 0; j++)
-		input_set_abs_params(&grip->dev[slot], t, -1, 1, 0, 0);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
-	for (j = 0; (t = grip_btn[grip->mode[slot]][j]) >= 0; j++)
+	for (j = 0; (t = grip_abs[port->mode][j]) >= 0; j++)
+		input_set_abs_params(input_dev, t, -1, 1, 0, 0);
+
+	for (j = 0; (t = grip_btn[port->mode][j]) >= 0; j++)
 		if (t > 0)
-			set_bit(t, grip->dev[slot].keybit);
+			set_bit(t, input_dev->keybit);
 
-	input_register_device(grip->dev + slot);
-	grip->registered[slot] = 1;
+	input_register_device(port->dev);
+	port->registered = 1;
 
-	if (grip->dirty[slot])	            /* report initial state, if any */
+	if (port->dirty)	            /* report initial state, if any */
 		report_slot(grip, slot);
 
-	printk(KERN_INFO "grip_mp: added %s, slot %d\n",
-	       grip_name[grip->mode[slot]], slot);
+	return 0;
 }
 
 static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
@@ -626,7 +651,7 @@ static int grip_connect(struct gameport *gameport, struct gameport_driver *drv)
 		goto fail2;
 	}
 
-	if (!grip->mode[0] && !grip->mode[1] && !grip->mode[2] && !grip->mode[3]) {
+	if (!grip->port[0]->mode && !grip->port[1]->mode && !grip->port[2]->mode && !grip->port[3]->mode) {
 		/* nothing plugged in */
 		err = -ENODEV;
 		goto fail2;
@@ -646,8 +671,8 @@ static void grip_disconnect(struct gameport *gameport)
 	int i;
 
 	for (i = 0; i < 4; i++)
-		if (grip->registered[i])
-			input_unregister_device(grip->dev + i);
+		if (grip->port[i]->registered)
+			input_unregister_device(grip->port[i]->dev);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(grip);

drivers/input/joystick/guillemot.c

@@ -67,7 +67,7 @@ struct guillemot_type {
 
 struct guillemot {
 	struct gameport *gameport;
-	struct input_dev dev;
+	struct input_dev *dev;
 	int bads;
 	int reads;
 	struct guillemot_type *type;
@@ -123,7 +123,7 @@ static int guillemot_read_packet(struct gameport *gameport, u8 *data)
 static void guillemot_poll(struct gameport *gameport)
 {
 	struct guillemot *guillemot = gameport_get_drvdata(gameport);
-	struct input_dev *dev = &guillemot->dev;
+	struct input_dev *dev = guillemot->dev;
 	u8 data[GUILLEMOT_MAX_LENGTH];
 	int i;
 
@@ -179,14 +179,20 @@ static void guillemot_close(struct input_dev *dev)
 static int guillemot_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
 	struct guillemot *guillemot;
+	struct input_dev *input_dev;
 	u8 data[GUILLEMOT_MAX_LENGTH];
 	int i, t;
 	int err;
 
-	if (!(guillemot = kzalloc(sizeof(struct guillemot), GFP_KERNEL)))
-		return -ENOMEM;
+	guillemot = kzalloc(sizeof(struct guillemot), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!guillemot || !input_dev) {
+		err = -ENOMEM;
+		goto fail1;
+	}
 
 	guillemot->gameport = gameport;
+	guillemot->dev = input_dev;
 
 	gameport_set_drvdata(gameport, guillemot);
 
@@ -216,41 +222,40 @@ static int guillemot_connect(struct gameport *gameport, struct gameport_driver *
 	gameport_set_poll_interval(gameport, 20);
 
 	sprintf(guillemot->phys, "%s/input0", gameport->phys);
-
 	guillemot->type = guillemot_type + i;
 
-	guillemot->dev.private = guillemot;
-	guillemot->dev.open = guillemot_open;
-	guillemot->dev.close = guillemot_close;
+	input_dev->name = guillemot_type[i].name;
+	input_dev->phys = guillemot->phys;
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_GUILLEMOT;
+	input_dev->id.product = guillemot_type[i].id;
+	input_dev->id.version = (int)data[14] << 8 | data[15];
+	input_dev->cdev.dev = &gameport->dev;
+	input_dev->private = guillemot;
 
-	guillemot->dev.name = guillemot_type[i].name;
-	guillemot->dev.phys = guillemot->phys;
-	guillemot->dev.id.bustype = BUS_GAMEPORT;
-	guillemot->dev.id.vendor = GAMEPORT_ID_VENDOR_GUILLEMOT;
-	guillemot->dev.id.product = guillemot_type[i].id;
-	guillemot->dev.id.version = (int)data[14] << 8 | data[15];
+	input_dev->open = guillemot_open;
+	input_dev->close = guillemot_close;
 
-	guillemot->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	for (i = 0; (t = guillemot->type->abs[i]) >= 0; i++)
-		input_set_abs_params(&guillemot->dev, t, 0, 255, 0, 0);
+		input_set_abs_params(input_dev, t, 0, 255, 0, 0);
 
 	if (guillemot->type->hat) {
-		input_set_abs_params(&guillemot->dev, ABS_HAT0X, -1, 1, 0, 0);
-		input_set_abs_params(&guillemot->dev, ABS_HAT0Y, -1, 1, 0, 0);
+		input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
+		input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0);
 	}
 
 	for (i = 0; (t = guillemot->type->btn[i]) >= 0; i++)
-		set_bit(t, guillemot->dev.keybit);
+		set_bit(t, input_dev->keybit);
 
-	input_register_device(&guillemot->dev);
-	printk(KERN_INFO "input: %s ver %d.%02d on %s\n",
-		guillemot->type->name, data[14], data[15], gameport->phys);
+	input_register_device(guillemot->dev);
 
 	return 0;
 
 fail2:	gameport_close(gameport);
 fail1:  gameport_set_drvdata(gameport, NULL);
+	input_free_device(input_dev);
 	kfree(guillemot);
 	return err;
 }
@@ -260,7 +265,7 @@ static void guillemot_disconnect(struct gameport *gameport)
 	struct guillemot *guillemot = gameport_get_drvdata(gameport);
 
 	printk(KERN_INFO "guillemot.c: Failed %d reads out of %d on %s\n", guillemot->reads, guillemot->bads, guillemot->phys);
-	input_unregister_device(&guillemot->dev);
+	input_unregister_device(guillemot->dev);
 	gameport_close(gameport);
 	kfree(guillemot);
 }

drivers/input/joystick/iforce/iforce-main.c

@@ -144,7 +144,7 @@ static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
 	int is_update;
 
 /* Check this effect type is supported by this device */
-	if (!test_bit(effect->type, iforce->dev.ffbit))
+	if (!test_bit(effect->type, iforce->dev->ffbit))
 		return -EINVAL;
 
 /*
@@ -152,30 +152,31 @@ static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
  */
 	if (effect->id == -1) {
 
-		for (id=0; id < FF_EFFECTS_MAX; ++id)
-			if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags)) break;
+		for (id = 0; id < FF_EFFECTS_MAX; ++id)
+			if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags))
+				break;
 
-		if ( id == FF_EFFECTS_MAX || id >= iforce->dev.ff_effects_max)
+		if (id == FF_EFFECTS_MAX || id >= iforce->dev->ff_effects_max)
 			return -ENOMEM;
 
 		effect->id = id;
 		iforce->core_effects[id].owner = current->pid;
-		iforce->core_effects[id].flags[0] = (1<<FF_CORE_IS_USED);	/* Only IS_USED bit must be set */
+		iforce->core_effects[id].flags[0] = (1 << FF_CORE_IS_USED);	/* Only IS_USED bit must be set */
 
 		is_update = FALSE;
 	}
 	else {
 		/* We want to update an effect */
-		if (!CHECK_OWNERSHIP(effect->id, iforce)) return -EACCES;
+		if (!CHECK_OWNERSHIP(effect->id, iforce))
+			return -EACCES;
 
 		/* Parameter type cannot be updated */
 		if (effect->type != iforce->core_effects[effect->id].effect.type)
 			return -EINVAL;
 
 		/* Check the effect is not already being updated */
-		if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags)) {
+		if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags))
 			return -EAGAIN;
-		}
 
 		is_update = TRUE;
 	}
@@ -339,15 +340,19 @@ void iforce_delete_device(struct iforce *iforce)
 
 int iforce_init_device(struct iforce *iforce)
 {
+	struct input_dev *input_dev;
 	unsigned char c[] = "CEOV";
 	int i;
 
+	input_dev = input_allocate_device();
+	if (input_dev)
+		return -ENOMEM;
+
 	init_waitqueue_head(&iforce->wait);
 	spin_lock_init(&iforce->xmit_lock);
 	init_MUTEX(&iforce->mem_mutex);
 	iforce->xmit.buf = iforce->xmit_data;
-
-	iforce->dev.ff_effects_max = 10;
+	iforce->dev = input_dev;
 
 /*
  * Input device fields.
@@ -356,26 +361,27 @@ int iforce_init_device(struct iforce *iforce)
 	switch (iforce->bus) {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 	case IFORCE_USB:
-		iforce->dev.id.bustype = BUS_USB;
-		iforce->dev.dev = &iforce->usbdev->dev;
+		input_dev->id.bustype = BUS_USB;
+		input_dev->cdev.dev = &iforce->usbdev->dev;
 		break;
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_232
 	case IFORCE_232:
-		iforce->dev.id.bustype = BUS_RS232;
-		iforce->dev.dev = &iforce->serio->dev;
+		input_dev->id.bustype = BUS_RS232;
+		input_dev->cdev.dev = &iforce->serio->dev;
 		break;
 #endif
 	}
 
-	iforce->dev.private = iforce;
-	iforce->dev.name = "Unknown I-Force device";
-	iforce->dev.open = iforce_open;
-	iforce->dev.close = iforce_release;
-	iforce->dev.flush = iforce_flush;
-	iforce->dev.event = iforce_input_event;
-	iforce->dev.upload_effect = iforce_upload_effect;
-	iforce->dev.erase_effect = iforce_erase_effect;
+	input_dev->private = iforce;
+	input_dev->name = "Unknown I-Force device";
+	input_dev->open = iforce_open;
+	input_dev->close = iforce_release;
+	input_dev->flush = iforce_flush;
+	input_dev->event = iforce_input_event;
+	input_dev->upload_effect = iforce_upload_effect;
+	input_dev->erase_effect = iforce_erase_effect;
+	input_dev->ff_effects_max = 10;
 
 /*
  * On-device memory allocation.
@@ -399,7 +405,8 @@ int iforce_init_device(struct iforce *iforce)
 
 	if (i == 20) { /* 5 seconds */
 		printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
-		return -1;
+		input_free_device(input_dev);
+		return -ENODEV;
 	}
 
 /*
@@ -407,12 +414,12 @@ int iforce_init_device(struct iforce *iforce)
  */
 
 	if (!iforce_get_id_packet(iforce, "M"))
-		iforce->dev.id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
+		input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet M\n");
 
 	if (!iforce_get_id_packet(iforce, "P"))
-		iforce->dev.id.product = (iforce->edata[2] << 8) | iforce->edata[1];
+		input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet P\n");
 
@@ -422,15 +429,15 @@ int iforce_init_device(struct iforce *iforce)
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet B\n");
 
 	if (!iforce_get_id_packet(iforce, "N"))
-		iforce->dev.ff_effects_max = iforce->edata[1];
+		iforce->dev->ff_effects_max = iforce->edata[1];
 	else
 		printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet N\n");
 
 	/* Check if the device can store more effects than the driver can really handle */
-	if (iforce->dev.ff_effects_max > FF_EFFECTS_MAX) {
+	if (iforce->dev->ff_effects_max > FF_EFFECTS_MAX) {
 		printk(KERN_WARNING "input??: Device can handle %d effects, but N_EFFECTS_MAX is set to %d in iforce.h\n",
-			iforce->dev.ff_effects_max, FF_EFFECTS_MAX);
-		iforce->dev.ff_effects_max = FF_EFFECTS_MAX;
+			iforce->dev->ff_effects_max, FF_EFFECTS_MAX);
+		iforce->dev->ff_effects_max = FF_EFFECTS_MAX;
 	}
 
 /*
@@ -453,29 +460,28 @@ int iforce_init_device(struct iforce *iforce)
  */
 
 	for (i = 0; iforce_device[i].idvendor; i++)
-		if (iforce_device[i].idvendor == iforce->dev.id.vendor &&
-		    iforce_device[i].idproduct == iforce->dev.id.product)
+		if (iforce_device[i].idvendor == input_dev->id.vendor &&
+		    iforce_device[i].idproduct == input_dev->id.product)
 			break;
 
 	iforce->type = iforce_device + i;
-	iforce->dev.name = iforce->type->name;
+	input_dev->name = iforce->type->name;
 
 /*
  * Set input device bitfields and ranges.
  */
 
-	iforce->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
 
 	for (i = 0; iforce->type->btn[i] >= 0; i++) {
 		signed short t = iforce->type->btn[i];
-		set_bit(t, iforce->dev.keybit);
+		set_bit(t, input_dev->keybit);
 	}
-	set_bit(BTN_DEAD, iforce->dev.keybit);
+	set_bit(BTN_DEAD, input_dev->keybit);
 
 	for (i = 0; iforce->type->abs[i] >= 0; i++) {
 
 		signed short t = iforce->type->abs[i];
-		set_bit(t, iforce->dev.absbit);
 
 		switch (t) {
 
@@ -483,52 +489,42 @@ int iforce_init_device(struct iforce *iforce)
 			case ABS_Y:
 			case ABS_WHEEL:
 
-				iforce->dev.absmax[t] =  1920;
-				iforce->dev.absmin[t] = -1920;
-				iforce->dev.absflat[t] = 128;
-				iforce->dev.absfuzz[t] = 16;
-
-				set_bit(t, iforce->dev.ffbit);
+				input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
+				set_bit(t, input_dev->ffbit);
 				break;
 
 			case ABS_THROTTLE:
 			case ABS_GAS:
 			case ABS_BRAKE:
 
-				iforce->dev.absmax[t] = 255;
-				iforce->dev.absmin[t] = 0;
+				input_set_abs_params(input_dev, t, 0, 255, 0, 0);
 				break;
 
 			case ABS_RUDDER:
 
-				iforce->dev.absmax[t] = 127;
-				iforce->dev.absmin[t] = -128;
+				input_set_abs_params(input_dev, t, -128, 127, 0, 0);
 				break;
 
 			case ABS_HAT0X:
 			case ABS_HAT0Y:
 		        case ABS_HAT1X:
 		        case ABS_HAT1Y:
-				iforce->dev.absmax[t] =  1;
-				iforce->dev.absmin[t] = -1;
+
+				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
 				break;
 		}
 	}
 
 	for (i = 0; iforce->type->ff[i] >= 0; i++)
-		set_bit(iforce->type->ff[i], iforce->dev.ffbit);
+		set_bit(iforce->type->ff[i], input_dev->ffbit);
 
 /*
  * Register input device.
  */
 
-	input_register_device(&iforce->dev);
-
-	printk(KERN_DEBUG "iforce->dev.open = %p\n", iforce->dev.open);
+	input_register_device(iforce->dev);
 
-	printk(KERN_INFO "input: %s [%d effects, %ld bytes memory]\n",
-		iforce->dev.name, iforce->dev.ff_effects_max,
-		iforce->device_memory.end);
+	printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open);
 
 	return 0;
 }

drivers/input/joystick/iforce/iforce-packets.c

@@ -139,7 +139,8 @@ printk(KERN_DEBUG "iforce-packets.c: control_playback %d %d\n", id, value);
 static int mark_core_as_ready(struct iforce *iforce, unsigned short addr)
 {
 	int i;
-	for (i=0; i<iforce->dev.ff_effects_max; ++i) {
+
+	for (i = 0; i < iforce->dev->ff_effects_max; ++i) {
 		if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
 		    (iforce->core_effects[i].mod1_chunk.start == addr ||
 		     iforce->core_effects[i].mod2_chunk.start == addr)) {
@@ -153,7 +154,7 @@ static int mark_core_as_ready(struct iforce *iforce, unsigned short addr)
 
 void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data, struct pt_regs *regs)
 {
-	struct input_dev *dev = &iforce->dev;
+	struct input_dev *dev = iforce->dev;
 	int i;
 	static int being_used = 0;
 

drivers/input/joystick/iforce/iforce-serio.c

@@ -131,11 +131,10 @@ static int iforce_serio_connect(struct serio *serio, struct serio_driver *drv)
 	struct iforce *iforce;
 	int err;
 
-	if (!(iforce = kmalloc(sizeof(struct iforce), GFP_KERNEL)))
+	iforce = kzalloc(sizeof(struct iforce), GFP_KERNEL);
+	if (!iforce)
 		return -ENOMEM;
 
-	memset(iforce, 0, sizeof(struct iforce));
-
 	iforce->bus = IFORCE_232;
 	iforce->serio = serio;
 
@@ -148,7 +147,8 @@ static int iforce_serio_connect(struct serio *serio, struct serio_driver *drv)
 		return err;
 	}
 
-	if (iforce_init_device(iforce)) {
+	err = iforce_init_device(iforce);
+	if (err) {
 		serio_close(serio);
 		serio_set_drvdata(serio, NULL);
 		kfree(iforce);
@@ -162,7 +162,7 @@ static void iforce_serio_disconnect(struct serio *serio)
 {
 	struct iforce *iforce = serio_get_drvdata(serio);
 
-	input_unregister_device(&iforce->dev);
+	input_unregister_device(iforce->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
 	kfree(iforce);

drivers/input/joystick/iforce/iforce-usb.c

@@ -135,28 +135,24 @@ static int iforce_usb_probe(struct usb_interface *intf,
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *epirq, *epout;
 	struct iforce *iforce;
+	int err = -ENOMEM;
 
 	interface = intf->cur_altsetting;
 
 	epirq = &interface->endpoint[0].desc;
 	epout = &interface->endpoint[1].desc;
 
-	if (!(iforce = kmalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
+	if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
 		goto fail;
 
-	memset(iforce, 0, sizeof(struct iforce));
-
-	if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL))) {
+	if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL)))
 		goto fail;
-	}
 
-	if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL))) {
+	if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL)))
 		goto fail;
-	}
 
-	if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL))) {
+	if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL)))
 		goto fail;
-	}
 
 	iforce->bus = IFORCE_USB;
 	iforce->usbdev = dev;
@@ -174,7 +170,9 @@ static int iforce_usb_probe(struct usb_interface *intf,
 	usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0),
 			(void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce);
 
-	if (iforce_init_device(iforce)) goto fail;
+	err = iforce_init_device(iforce);
+	if (err)
+		goto fail;
 
 	usb_set_intfdata(intf, iforce);
 	return 0;
@@ -187,7 +185,7 @@ static int iforce_usb_probe(struct usb_interface *intf,
 		kfree(iforce);
 	}
 
-	return -ENODEV;
+	return err;
 }
 
 /* Called by iforce_delete() */
@@ -211,7 +209,7 @@ static void iforce_usb_disconnect(struct usb_interface *intf)
 	usb_set_intfdata(intf, NULL);
 	if (iforce) {
 		iforce->usbdev = NULL;
-		input_unregister_device(&iforce->dev);
+		input_unregister_device(iforce->dev);
 
 		if (!open) {
 			iforce_delete_device(iforce);

drivers/input/joystick/iforce/iforce.h

@@ -117,7 +117,7 @@ struct iforce_device {
 };
 
 struct iforce {
-	struct input_dev dev;		/* Input device interface */
+	struct input_dev *dev;		/* Input device interface */
 	struct iforce_device *type;
 	int bus;
 

drivers/input/joystick/interact.c

@@ -54,7 +54,7 @@ MODULE_LICENSE("GPL");
 
 struct interact {
 	struct gameport *gameport;
-	struct input_dev dev;
+	struct input_dev *dev;
 	int bads;
 	int reads;
 	unsigned char type;
@@ -130,7 +130,7 @@ static int interact_read_packet(struct gameport *gameport, int length, u32 *data
 static void interact_poll(struct gameport *gameport)
 {
 	struct interact *interact = gameport_get_drvdata(gameport);
-	struct input_dev *dev = &interact->dev;
+	struct input_dev *dev = interact->dev;
 	u32 data[3];
 	int i;
 
@@ -208,14 +208,20 @@ static void interact_close(struct input_dev *dev)
 static int interact_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
 	struct interact *interact;
+	struct input_dev *input_dev;
 	__u32 data[3];
 	int i, t;
 	int err;
 
-	if (!(interact = kzalloc(sizeof(struct interact), GFP_KERNEL)))
-		return -ENOMEM;
+	interact = kzalloc(sizeof(struct interact), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!interact || !input_dev) {
+		err = -ENOMEM;
+		goto fail1;
+	}
 
 	interact->gameport = gameport;
+	interact->dev = input_dev;
 
 	gameport_set_drvdata(gameport, interact);
 
@@ -249,41 +255,40 @@ static int interact_connect(struct gameport *gameport, struct gameport_driver *d
 	interact->type = i;
 	interact->length = interact_type[i].length;
 
-	interact->dev.private = interact;
-	interact->dev.open = interact_open;
-	interact->dev.close = interact_close;
+	input_dev->name = interact_type[i].name;
+	input_dev->phys = interact->phys;
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_INTERACT;
+	input_dev->id.product = interact_type[i].id;
+	input_dev->id.version = 0x0100;
+	input_dev->private = interact;
 
-	interact->dev.name = interact_type[i].name;
-	interact->dev.phys = interact->phys;
-	interact->dev.id.bustype = BUS_GAMEPORT;
-	interact->dev.id.vendor = GAMEPORT_ID_VENDOR_INTERACT;
-	interact->dev.id.product = interact_type[i].id;
-	interact->dev.id.version = 0x0100;
+	input_dev->open = interact_open;
+	input_dev->close = interact_close;
 
-	interact->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	for (i = 0; (t = interact_type[interact->type].abs[i]) >= 0; i++) {
-		set_bit(t, interact->dev.absbit);
+		set_bit(t, input_dev->absbit);
 		if (i < interact_type[interact->type].b8) {
-			interact->dev.absmin[t] = 0;
-			interact->dev.absmax[t] = 255;
+			input_dev->absmin[t] = 0;
+			input_dev->absmax[t] = 255;
 		} else {
-			interact->dev.absmin[t] = -1;
-			interact->dev.absmax[t] = 1;
+			input_dev->absmin[t] = -1;
+			input_dev->absmax[t] = 1;
 		}
 	}
 
 	for (i = 0; (t = interact_type[interact->type].btn[i]) >= 0; i++)
-		set_bit(t, interact->dev.keybit);
+		set_bit(t, input_dev->keybit);
 
-	input_register_device(&interact->dev);
-	printk(KERN_INFO "input: %s on %s\n",
-		interact_type[interact->type].name, gameport->phys);
+	input_register_device(interact->dev);
 
 	return 0;
 
 fail2:	gameport_close(gameport);
 fail1:  gameport_set_drvdata(gameport, NULL);
+	input_free_device(input_dev);
 	kfree(interact);
 	return err;
 }
@@ -292,7 +297,7 @@ static void interact_disconnect(struct gameport *gameport)
 {
 	struct interact *interact = gameport_get_drvdata(gameport);
 
-	input_unregister_device(&interact->dev);
+	input_unregister_device(interact->dev);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(interact);

drivers/input/joystick/magellan.c

@@ -49,14 +49,13 @@ MODULE_LICENSE("GPL");
 
 static int magellan_buttons[] = { BTN_0, BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8 };
 static int magellan_axes[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ };
-static char *magellan_name = "LogiCad3D Magellan / SpaceMouse";
 
 /*
  * Per-Magellan data.
  */
 
 struct magellan {
-	struct input_dev dev;
+	struct input_dev *dev;
 	int idx;
 	unsigned char data[MAGELLAN_MAX_LENGTH];
 	char phys[32];
@@ -85,7 +84,7 @@ static int magellan_crunch_nibbles(unsigned char *data, int count)
 
 static void magellan_process_packet(struct magellan* magellan, struct pt_regs *regs)
 {
-	struct input_dev *dev = &magellan->dev;
+	struct input_dev *dev = magellan->dev;
 	unsigned char *data = magellan->data;
 	int i, t;
 
@@ -138,9 +137,9 @@ static void magellan_disconnect(struct serio *serio)
 {
 	struct magellan* magellan = serio_get_drvdata(serio);
 
-	input_unregister_device(&magellan->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
+	input_unregister_device(magellan->dev);
 	kfree(magellan);
 }
 
@@ -153,52 +152,48 @@ static void magellan_disconnect(struct serio *serio)
 static int magellan_connect(struct serio *serio, struct serio_driver *drv)
 {
 	struct magellan *magellan;
-	int i, t;
-	int err;
-
-	if (!(magellan = kmalloc(sizeof(struct magellan), GFP_KERNEL)))
-		return -ENOMEM;
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
+	int i;
 
-	memset(magellan, 0, sizeof(struct magellan));
+	magellan = kzalloc(sizeof(struct magellan), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!magellan || !input_dev)
+		goto fail;
 
-	magellan->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	magellan->dev = input_dev;
+	sprintf(magellan->phys, "%s/input0", serio->phys);
 
-	for (i = 0; i < 9; i++)
-		set_bit(magellan_buttons[i], magellan->dev.keybit);
+	input_dev->name = "LogiCad3D Magellan / SpaceMouse";
+	input_dev->phys = magellan->phys;
+	input_dev->id.bustype = BUS_RS232;
+	input_dev->id.vendor = SERIO_MAGELLAN;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &serio->dev;
+	input_dev->private = magellan;
 
-	for (i = 0; i < 6; i++) {
-		t = magellan_axes[i];
-		set_bit(t, magellan->dev.absbit);
-		magellan->dev.absmin[t] = -360;
-		magellan->dev.absmax[t] =  360;
-	}
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
-	sprintf(magellan->phys, "%s/input0", serio->phys);
+	for (i = 0; i < 9; i++)
+		set_bit(magellan_buttons[i], input_dev->keybit);
 
-	init_input_dev(&magellan->dev);
-	magellan->dev.private = magellan;
-	magellan->dev.name = magellan_name;
-	magellan->dev.phys = magellan->phys;
-	magellan->dev.id.bustype = BUS_RS232;
-	magellan->dev.id.vendor = SERIO_MAGELLAN;
-	magellan->dev.id.product = 0x0001;
-	magellan->dev.id.version = 0x0100;
-	magellan->dev.dev = &serio->dev;
+	for (i = 0; i < 6; i++)
+		input_set_abs_params(input_dev, magellan_axes[i], -360, 360, 0, 0);
 
 	serio_set_drvdata(serio, magellan);
 
 	err = serio_open(serio, drv);
-	if (err) {
-		serio_set_drvdata(serio, NULL);
-		kfree(magellan);
-		return err;
-	}
-
-	input_register_device(&magellan->dev);
-
-	printk(KERN_INFO "input: %s on %s\n", magellan_name, serio->phys);
+	if (err)
+		goto fail;
 
+	input_register_device(magellan->dev);
 	return 0;
+
+ fail:	serio_set_drvdata(serio, NULL);
+	input_free_device(input_dev);
+	kfree(magellan);
+	return err;
 }
 
 /*

drivers/input/joystick/sidewinder.c

@@ -113,7 +113,7 @@ static struct {
 
 struct sw {
 	struct gameport *gameport;
-	struct input_dev dev[4];
+	struct input_dev *dev[4];
 	char name[64];
 	char phys[4][32];
 	int length;
@@ -301,7 +301,7 @@ static int sw_check(__u64 t)
 static int sw_parse(unsigned char *buf, struct sw *sw)
 {
 	int hat, i, j;
-	struct input_dev *dev = sw->dev;
+	struct input_dev *dev;
 
 	switch (sw->type) {
 
@@ -310,6 +310,8 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
 			if (sw_check(GB(0,64)) || (hat = (GB(6,1) << 3) | GB(60,3)) > 8)
 				return -1;
 
+			dev = sw->dev[0];
+
 			input_report_abs(dev, ABS_X,        (GB( 3,3) << 7) | GB(16,7));
 			input_report_abs(dev, ABS_Y,        (GB( 0,3) << 7) | GB(24,7));
 			input_report_abs(dev, ABS_RZ,       (GB(35,2) << 7) | GB(40,7));
@@ -335,13 +337,13 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
 				if (sw_parity(GB(i*15,15)))
 					return -1;
 
-				input_report_abs(dev + i, ABS_X, GB(i*15+3,1) - GB(i*15+2,1));
-				input_report_abs(dev + i, ABS_Y, GB(i*15+0,1) - GB(i*15+1,1));
+				input_report_abs(sw->dev[i], ABS_X, GB(i*15+3,1) - GB(i*15+2,1));
+				input_report_abs(sw->dev[i], ABS_Y, GB(i*15+0,1) - GB(i*15+1,1));
 
 				for (j = 0; j < 10; j++)
-					input_report_key(dev + i, sw_btn[SW_ID_GP][j], !GB(i*15+j+4,1));
+					input_report_key(sw->dev[i], sw_btn[SW_ID_GP][j], !GB(i*15+j+4,1));
 
-				input_sync(dev + i);
+				input_sync(sw->dev[i]);
 			}
 
 			return 0;
@@ -352,6 +354,7 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
 			if (!sw_parity(GB(0,48)) || (hat = GB(42,4)) > 8)
 				return -1;
 
+			dev = sw->dev[0];
 			input_report_abs(dev, ABS_X,        GB( 9,10));
 			input_report_abs(dev, ABS_Y,        GB(19,10));
 			input_report_abs(dev, ABS_RZ,       GB(36, 6));
@@ -372,6 +375,7 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
 			if (!sw_parity(GB(0,43)) || (hat = GB(28,4)) > 8)
 				return -1;
 
+			dev = sw->dev[0];
 			input_report_abs(dev, ABS_X,        GB( 0,10));
 			input_report_abs(dev, ABS_Y,        GB(16,10));
 			input_report_abs(dev, ABS_THROTTLE, GB(32, 6));
@@ -396,6 +400,7 @@ static int sw_parse(unsigned char *buf, struct sw *sw)
 			if (!sw_parity(GB(0,33)))
 				return -1;
 
+			dev = sw->dev[0];
 			input_report_abs(dev, ABS_RX,       GB( 0,10));
 			input_report_abs(dev, ABS_RUDDER,   GB(10, 6));
 			input_report_abs(dev, ABS_THROTTLE, GB(16, 6));
@@ -581,6 +586,7 @@ static int sw_guess_mode(unsigned char *buf, int len)
 static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
 	struct sw *sw;
+	struct input_dev *input_dev;
 	int i, j, k, l;
 	int err;
 	unsigned char *buf = NULL;	/* [SW_LENGTH] */
@@ -729,42 +735,50 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
 		sprintf(sw->name, "Microsoft SideWinder %s", sw_name[sw->type]);
 		sprintf(sw->phys[i], "%s/input%d", gameport->phys, i);
 
-		sw->dev[i].private = sw;
+		input_dev = input_allocate_device();
+		if (!input_dev) {
+			err = -ENOMEM;
+			goto fail3;
+		}
 
-		sw->dev[i].open = sw_open;
-		sw->dev[i].close = sw_close;
+		input_dev->name = sw->name;
+		input_dev->phys = sw->phys[i];
+		input_dev->id.bustype = BUS_GAMEPORT;
+		input_dev->id.vendor = GAMEPORT_ID_VENDOR_MICROSOFT;
+		input_dev->id.product = sw->type;
+		input_dev->id.version = 0x0100;
+		input_dev->cdev.dev = &gameport->dev;
+		input_dev->private = sw;
 
-		sw->dev[i].name = sw->name;
-		sw->dev[i].phys = sw->phys[i];
-		sw->dev[i].id.bustype = BUS_GAMEPORT;
-		sw->dev[i].id.vendor = GAMEPORT_ID_VENDOR_MICROSOFT;
-		sw->dev[i].id.product = sw->type;
-		sw->dev[i].id.version = 0x0100;
+		input_dev->open = sw_open;
+		input_dev->close = sw_close;
 
-		sw->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 		for (j = 0; (bits = sw_bit[sw->type][j]); j++) {
 			code = sw_abs[sw->type][j];
-			set_bit(code, sw->dev[i].absbit);
-			sw->dev[i].absmax[code] = (1 << bits) - 1;
-			sw->dev[i].absmin[code] = (bits == 1) ? -1 : 0;
-			sw->dev[i].absfuzz[code] = ((bits >> 1) >= 2) ? (1 << ((bits >> 1) - 2)) : 0;
+			set_bit(code, input_dev->absbit);
+			input_dev->absmax[code] = (1 << bits) - 1;
+			input_dev->absmin[code] = (bits == 1) ? -1 : 0;
+			input_dev->absfuzz[code] = ((bits >> 1) >= 2) ? (1 << ((bits >> 1) - 2)) : 0;
 			if (code != ABS_THROTTLE)
-				sw->dev[i].absflat[code] = (bits >= 5) ? (1 << (bits - 5)) : 0;
+				input_dev->absflat[code] = (bits >= 5) ? (1 << (bits - 5)) : 0;
 		}
 
 		for (j = 0; (code = sw_btn[sw->type][j]); j++)
-			set_bit(code, sw->dev[i].keybit);
+			set_bit(code, input_dev->keybit);
+
+		dbg("%s%s [%d-bit id %d data %d]\n", sw->name, comment, m, l, k);
 
-		input_register_device(sw->dev + i);
-		printk(KERN_INFO "input: %s%s on %s [%d-bit id %d data %d]\n",
-			sw->name, comment, gameport->phys, m, l, k);
+		input_register_device(sw->dev[i]);
 	}
 
 	return 0;
 
-fail2:	gameport_close(gameport);
-fail1:	gameport_set_drvdata(gameport, NULL);
+ fail3: while (--i >= 0)
+		input_unregister_device(sw->dev[i]);
+ fail2:	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
 	kfree(sw);
 	kfree(buf);
 	kfree(idbuf);
@@ -777,7 +791,7 @@ static void sw_disconnect(struct gameport *gameport)
 	int i;
 
 	for (i = 0; i < sw->number; i++)
-		input_unregister_device(sw->dev + i);
+		input_unregister_device(sw->dev[i]);
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(sw);

drivers/input/joystick/spaceball.c

@@ -70,8 +70,7 @@ static char *spaceball_names[] = {
  */
 
 struct spaceball {
-	struct input_dev dev;
-	struct serio *serio;
+	struct input_dev *dev;
 	int idx;
 	int escape;
 	unsigned char data[SPACEBALL_MAX_LENGTH];
@@ -85,7 +84,7 @@ struct spaceball {
 
 static void spaceball_process_packet(struct spaceball* spaceball, struct pt_regs *regs)
 {
-	struct input_dev *dev = &spaceball->dev;
+	struct input_dev *dev = spaceball->dev;
 	unsigned char *data = spaceball->data;
 	int i;
 
@@ -193,9 +192,9 @@ static void spaceball_disconnect(struct serio *serio)
 {
 	struct spaceball* spaceball = serio_get_drvdata(serio);
 
-	input_unregister_device(&spaceball->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
+	input_unregister_device(spaceball->dev);
 	kfree(spaceball);
 }
 
@@ -208,69 +207,62 @@ static void spaceball_disconnect(struct serio *serio)
 static int spaceball_connect(struct serio *serio, struct serio_driver *drv)
 {
 	struct spaceball *spaceball;
-	int i, t, id;
-	int err;
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
+	int i, id;
 
 	if ((id = serio->id.id) > SPACEBALL_MAX_ID)
 		return -ENODEV;
 
-	if (!(spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL)))
-		return - ENOMEM;
+	spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!spaceball || !input_dev)
+		goto fail;
 
-	memset(spaceball, 0, sizeof(struct spaceball));
+	spaceball->dev = input_dev;
+	sprintf(spaceball->phys, "%s/input0", serio->phys);
+
+	input_dev->name = spaceball_names[id];
+	input_dev->phys = spaceball->phys;
+	input_dev->id.bustype = BUS_RS232;
+	input_dev->id.vendor = SERIO_SPACEBALL;
+	input_dev->id.product = id;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &serio->dev;
+	input_dev->private = spaceball;
 
-	spaceball->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	switch (id) {
 		case SPACEBALL_4000FLX:
 		case SPACEBALL_4000FLX_L:
-			spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_9);
-			spaceball->dev.keybit[LONG(BTN_A)] |= BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_MODE);
+			input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_9);
+			input_dev->keybit[LONG(BTN_A)] |= BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_MODE);
 		default:
-			spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4)
+			input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4)
 				| BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7) | BIT(BTN_8);
 		case SPACEBALL_3003C:
-			spaceball->dev.keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(BTN_8);
+			input_dev->keybit[LONG(BTN_0)] |= BIT(BTN_1) | BIT(BTN_8);
 	}
 
-	for (i = 0; i < 6; i++) {
-		t = spaceball_axes[i];
-		set_bit(t, spaceball->dev.absbit);
-		spaceball->dev.absmin[t] = i < 3 ? -8000 : -1600;
-		spaceball->dev.absmax[t] = i < 3 ?  8000 :  1600;
-		spaceball->dev.absflat[t] = i < 3 ? 40 : 8;
-		spaceball->dev.absfuzz[t] = i < 3 ? 8 : 2;
+	for (i = 0; i < 3; i++) {
+		input_set_abs_params(input_dev, ABS_X + i, -8000, 8000, 8, 40);
+		input_set_abs_params(input_dev, ABS_RX + i, -1600, 1600, 2, 8);
 	}
 
-	spaceball->serio = serio;
-	spaceball->dev.private = spaceball;
-
-	sprintf(spaceball->phys, "%s/input0", serio->phys);
-
-	init_input_dev(&spaceball->dev);
-	spaceball->dev.name = spaceball_names[id];
-	spaceball->dev.phys = spaceball->phys;
-	spaceball->dev.id.bustype = BUS_RS232;
-	spaceball->dev.id.vendor = SERIO_SPACEBALL;
-	spaceball->dev.id.product = id;
-	spaceball->dev.id.version = 0x0100;
-	spaceball->dev.dev = &serio->dev;
-
 	serio_set_drvdata(serio, spaceball);
 
 	err = serio_open(serio, drv);
-	if (err) {
-		serio_set_drvdata(serio, NULL);
-		kfree(spaceball);
-		return err;
-	}
-
-	input_register_device(&spaceball->dev);
-
-	printk(KERN_INFO "input: %s on serio%s\n",
-		spaceball_names[id], serio->phys);
+	if (err)
+		goto fail;
 
+	input_register_device(spaceball->dev);
 	return 0;
+
+ fail:	serio_set_drvdata(serio, NULL);
+	input_free_device(input_dev);
+	kfree(spaceball);
+	return err;
 }
 
 /*

drivers/input/joystick/spaceorb.c

@@ -52,15 +52,13 @@ MODULE_LICENSE("GPL");
 
 static int spaceorb_buttons[] = { BTN_TL, BTN_TR, BTN_Y, BTN_X, BTN_B, BTN_A };
 static int spaceorb_axes[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ };
-static char *spaceorb_name = "SpaceTec SpaceOrb 360 / Avenger";
 
 /*
  * Per-Orb data.
  */
 
 struct spaceorb {
-	struct input_dev dev;
-	struct serio *serio;
+	struct input_dev *dev;
 	int idx;
 	unsigned char data[SPACEORB_MAX_LENGTH];
 	char phys[32];
@@ -78,7 +76,7 @@ static unsigned char *spaceorb_errors[] = { "EEPROM storing 0 failed", "Receive
 
 static void spaceorb_process_packet(struct spaceorb *spaceorb, struct pt_regs *regs)
 {
-	struct input_dev *dev = &spaceorb->dev;
+	struct input_dev *dev = spaceorb->dev;
 	unsigned char *data = spaceorb->data;
 	unsigned char c = 0;
 	int axes[6];
@@ -95,8 +93,8 @@ static void spaceorb_process_packet(struct spaceorb *spaceorb, struct pt_regs *r
 		case 'R':				/* Reset packet */
 			spaceorb->data[spaceorb->idx - 1] = 0;
 			for (i = 1; i < spaceorb->idx && spaceorb->data[i] == ' '; i++);
-			printk(KERN_INFO "input: %s [%s] on %s\n",
-				 spaceorb_name, spaceorb->data + i, spaceorb->serio->phys);
+			printk(KERN_INFO "input: %s [%s] is %s\n",
+				 dev->name, spaceorb->data + i, spaceorb->phys);
 			break;
 
 		case 'D':				/* Ball + button data */
@@ -123,7 +121,7 @@ static void spaceorb_process_packet(struct spaceorb *spaceorb, struct pt_regs *r
 
 		case 'E':				/* Error packet */
 			if (spaceorb->idx != 4) return;
-			printk(KERN_ERR "joy-spaceorb: Device error. [ ");
+			printk(KERN_ERR "spaceorb: Device error. [ ");
 			for (i = 0; i < 7; i++) if (data[1] & (1 << i)) printk("%s ", spaceorb_errors[i]);
 			printk("]\n");
 			break;
@@ -154,9 +152,9 @@ static void spaceorb_disconnect(struct serio *serio)
 {
 	struct spaceorb* spaceorb = serio_get_drvdata(serio);
 
-	input_unregister_device(&spaceorb->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
+	input_unregister_device(spaceorb->dev);
 	kfree(spaceorb);
 }
 
@@ -169,52 +167,48 @@ static void spaceorb_disconnect(struct serio *serio)
 static int spaceorb_connect(struct serio *serio, struct serio_driver *drv)
 {
 	struct spaceorb *spaceorb;
-	int i, t;
-	int err;
-
-	if (!(spaceorb = kmalloc(sizeof(struct spaceorb), GFP_KERNEL)))
-		return -ENOMEM;
-
-	memset(spaceorb, 0, sizeof(struct spaceorb));
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
+	int i;
 
-	spaceorb->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	spaceorb = kzalloc(sizeof(struct spaceorb), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!spaceorb || !input_dev)
+		goto fail;
 
-	for (i = 0; i < 6; i++)
-		set_bit(spaceorb_buttons[i], spaceorb->dev.keybit);
+	spaceorb->dev = input_dev;
+	sprintf(spaceorb->phys, "%s/input0", serio->phys);
 
-	for (i = 0; i < 6; i++) {
-		t = spaceorb_axes[i];
-		set_bit(t, spaceorb->dev.absbit);
-		spaceorb->dev.absmin[t] = -508;
-		spaceorb->dev.absmax[t] =  508;
-	}
+	input_dev->name = "SpaceTec SpaceOrb 360 / Avenger";
+	input_dev->phys = spaceorb->phys;
+	input_dev->id.bustype = BUS_RS232;
+	input_dev->id.vendor = SERIO_SPACEORB;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &serio->dev;
+	input_dev->private = spaceorb;
 
-	spaceorb->serio = serio;
-	spaceorb->dev.private = spaceorb;
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
-	sprintf(spaceorb->phys, "%s/input0", serio->phys);
+	for (i = 0; i < 6; i++)
+		set_bit(spaceorb_buttons[i], input_dev->keybit);
 
-	init_input_dev(&spaceorb->dev);
-	spaceorb->dev.name = spaceorb_name;
-	spaceorb->dev.phys = spaceorb->phys;
-	spaceorb->dev.id.bustype = BUS_RS232;
-	spaceorb->dev.id.vendor = SERIO_SPACEORB;
-	spaceorb->dev.id.product = 0x0001;
-	spaceorb->dev.id.version = 0x0100;
-	spaceorb->dev.dev = &serio->dev;
+	for (i = 0; i < 6; i++)
+		input_set_abs_params(input_dev, spaceorb_axes[i], -508, 508, 0, 0);
 
 	serio_set_drvdata(serio, spaceorb);
 
 	err = serio_open(serio, drv);
-	if (err) {
-		serio_set_drvdata(serio, NULL);
-		kfree(spaceorb);
-		return err;
-	}
-
-	input_register_device(&spaceorb->dev);
+	if (err)
+		goto fail;
 
+	input_register_device(spaceorb->dev);
 	return 0;
+
+ fail:	serio_set_drvdata(serio, NULL);
+	input_free_device(input_dev);
+	kfree(spaceorb);
+	return err;
 }
 
 /*

drivers/input/joystick/stinger.c

@@ -48,14 +48,12 @@ MODULE_LICENSE("GPL");
 
 #define STINGER_MAX_LENGTH 8
 
-static char *stinger_name = "Gravis Stinger";
-
 /*
  * Per-Stinger data.
  */
 
 struct stinger {
-	struct input_dev dev;
+	struct input_dev *dev;
 	int idx;
 	unsigned char data[STINGER_MAX_LENGTH];
 	char phys[32];
@@ -68,7 +66,7 @@ struct stinger {
 
 static void stinger_process_packet(struct stinger *stinger, struct pt_regs *regs)
 {
-	struct input_dev *dev = &stinger->dev;
+	struct input_dev *dev = stinger->dev;
 	unsigned char *data = stinger->data;
 
 	if (!stinger->idx) return;
@@ -126,9 +124,9 @@ static void stinger_disconnect(struct serio *serio)
 {
 	struct stinger *stinger = serio_get_drvdata(serio);
 
-	input_unregister_device(&stinger->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
+	input_unregister_device(stinger->dev);
 	kfree(stinger);
 }
 
@@ -141,53 +139,46 @@ static void stinger_disconnect(struct serio *serio)
 static int stinger_connect(struct serio *serio, struct serio_driver *drv)
 {
 	struct stinger *stinger;
-	int i;
-	int err;
-
-	if (!(stinger = kmalloc(sizeof(struct stinger), GFP_KERNEL)))
-		return -ENOMEM;
-
-	memset(stinger, 0, sizeof(struct stinger));
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
 
-	stinger->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-	stinger->dev.keybit[LONG(BTN_A)] = BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_X) | \
-					   BIT(BTN_Y) | BIT(BTN_Z) | BIT(BTN_TL) | BIT(BTN_TR) | \
-					   BIT(BTN_START) | BIT(BTN_SELECT);
-	stinger->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+	stinger = kmalloc(sizeof(struct stinger), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!stinger || !input_dev)
+		goto fail;
 
+	stinger->dev = input_dev;
 	sprintf(stinger->phys, "%s/serio0", serio->phys);
 
-	init_input_dev(&stinger->dev);
-	stinger->dev.name = stinger_name;
-	stinger->dev.phys = stinger->phys;
-	stinger->dev.id.bustype = BUS_RS232;
-	stinger->dev.id.vendor = SERIO_STINGER;
-	stinger->dev.id.product = 0x0001;
-	stinger->dev.id.version = 0x0100;
-	stinger->dev.dev = &serio->dev;
-
-	for (i = 0; i < 2; i++) {
-		stinger->dev.absmax[ABS_X+i] =  64;
-		stinger->dev.absmin[ABS_X+i] = -64;
-		stinger->dev.absflat[ABS_X+i] = 4;
-	}
-
-	stinger->dev.private = stinger;
+	input_dev->name = "Gravis Stinger";
+	input_dev->phys = stinger->phys;
+	input_dev->id.bustype = BUS_RS232;
+	input_dev->id.vendor = SERIO_STINGER;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &serio->dev;
+	input_dev->private = stinger;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->keybit[LONG(BTN_A)] = BIT(BTN_A) | BIT(BTN_B) | BIT(BTN_C) | BIT(BTN_X) |
+					 BIT(BTN_Y) | BIT(BTN_Z) | BIT(BTN_TL) | BIT(BTN_TR) |
+					 BIT(BTN_START) | BIT(BTN_SELECT);
+	input_set_abs_params(input_dev, ABS_X, -64, 64, 0, 4);
+	input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 4);
 
 	serio_set_drvdata(serio, stinger);
 
 	err = serio_open(serio, drv);
-	if (err) {
-		serio_set_drvdata(serio, NULL);
-		kfree(stinger);
-		return err;
-	}
-
-	input_register_device(&stinger->dev);
-
-	printk(KERN_INFO "input: %s on %s\n",  stinger_name, serio->phys);
+	if (err)
+		goto fail;
 
+	input_register_device(stinger->dev);
 	return 0;
+
+ fail:	serio_set_drvdata(serio, NULL);
+	input_free_device(input_dev);
+	kfree(stinger);
+	return err;
 }
 
 /*

drivers/input/joystick/tmdc.c

@@ -63,37 +63,70 @@ MODULE_LICENSE("GPL");
 #define TMDC_ABS_HAT		4
 #define TMDC_BTN		16
 
-static unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 };
-static unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 };
+static const unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 };
+static const unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 };
 
-static signed char tmdc_abs[TMDC_ABS] =
+static const signed char tmdc_abs[TMDC_ABS] =
 	{ ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE, ABS_RX, ABS_RY, ABS_RZ };
-static signed char tmdc_abs_hat[TMDC_ABS_HAT] =
+static const signed char tmdc_abs_hat[TMDC_ABS_HAT] =
 	{ ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y };
-static signed char tmdc_abs_at[TMDC_ABS] =
+static const signed char tmdc_abs_at[TMDC_ABS] =
 	{ ABS_X, ABS_Y, ABS_RUDDER, -1, ABS_THROTTLE };
-static signed char tmdc_abs_fm[TMDC_ABS] =
+static const signed char tmdc_abs_fm[TMDC_ABS] =
 	{ ABS_RX, ABS_RY, ABS_X, ABS_Y };
 
-static short tmdc_btn_pad[TMDC_BTN] =
+static const short tmdc_btn_pad[TMDC_BTN] =
 	{ BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_START, BTN_SELECT, BTN_TL, BTN_TR };
-static short tmdc_btn_joy[TMDC_BTN] =
+static const short tmdc_btn_joy[TMDC_BTN] =
 	{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_THUMB2, BTN_PINKIE,
 	  BTN_BASE3, BTN_BASE4, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z };
-static short tmdc_btn_fm[TMDC_BTN] =
+static const short tmdc_btn_fm[TMDC_BTN] =
         { BTN_TRIGGER, BTN_C, BTN_B, BTN_A, BTN_THUMB, BTN_X, BTN_Y, BTN_Z, BTN_TOP, BTN_TOP2 };
-static short tmdc_btn_at[TMDC_BTN] =
+static const short tmdc_btn_at[TMDC_BTN] =
         { BTN_TRIGGER, BTN_THUMB2, BTN_PINKIE, BTN_THUMB, BTN_BASE6, BTN_BASE5, BTN_BASE4,
           BTN_BASE3, BTN_BASE2, BTN_BASE };
 
-static struct {
+static const struct {
         int x;
         int y;
 } tmdc_hat_to_axis[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}};
 
+static const struct tmdc_model {
+	unsigned char id;
+	const char *name;
+	char abs;
+	char hats;
+	char btnc[4];
+	char btno[4];
+	const signed char *axes;
+	const short *buttons;
+} tmdc_models[] = {
+	{   1, "ThrustMaster Millenium 3D Inceptor",	  6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs, tmdc_btn_joy },
+	{   3, "ThrustMaster Rage 3D Gamepad",		  2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad },
+	{   4, "ThrustMaster Attack Throttle",		  5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at, tmdc_btn_at },
+	{   8, "ThrustMaster FragMaster",		  4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm, tmdc_btn_fm },
+	{ 163, "Thrustmaster Fusion GamePad",		  2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad },
+	{   0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs, tmdc_btn_joy }
+};
+
+
+struct tmdc_port {
+	struct input_dev *dev;
+	char name[64];
+	char phys[32];
+	int mode;
+	const signed char *abs;
+	const short *btn;
+	unsigned char absc;
+	unsigned char btnc[4];
+	unsigned char btno[4];
+};
+
 struct tmdc {
 	struct gameport *gameport;
-	struct input_dev dev[2];
+	struct tmdc_port *port[2];
+#if 0
+	struct input_dev *dev[2];
 	char name[2][64];
 	char phys[2][32];
 	int mode[2];
@@ -102,6 +135,7 @@ struct tmdc {
 	unsigned char absc[2];
 	unsigned char btnc[2][4];
 	unsigned char btno[2][4];
+#endif
 	int reads;
 	int bads;
 	unsigned char exists;
@@ -156,6 +190,50 @@ static int tmdc_read_packet(struct gameport *gameport, unsigned char data[2][TMD
 	return (i[0] == TMDC_MAX_LENGTH) | ((i[1] == TMDC_MAX_LENGTH) << 1);
 }
 
+static int tmdc_parse_packet(struct tmdc_port *port, unsigned char *data)
+{
+	int i, k, l;
+
+	if (data[TMDC_BYTE_ID] != port->mode)
+		return -1;
+
+	for (i = 0; i < port->absc; i++) {
+		if (port->abs[i] < 0)
+			return 0;
+
+		input_report_abs(port->dev, port->abs[i], data[tmdc_byte_a[i]]);
+	}
+
+	switch (port->mode) {
+
+		case TMDC_MODE_M3DI:
+
+			i = tmdc_byte_d[0];
+			input_report_abs(port->dev, ABS_HAT0X, ((data[i] >> 3) & 1) - ((data[i] >> 1) & 1));
+			input_report_abs(port->dev, ABS_HAT0Y, ((data[i] >> 2) & 1) - ( data[i]       & 1));
+			break;
+
+		case TMDC_MODE_AT:
+
+			i = tmdc_byte_a[3];
+			input_report_abs(port->dev, ABS_HAT0X, tmdc_hat_to_axis[(data[i] - 141) / 25].x);
+			input_report_abs(port->dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[i] - 141) / 25].y);
+			break;
+
+	}
+
+	for (k = l = 0; k < 4; k++) {
+		for (i = 0; i < port->btnc[k]; i++)
+			input_report_key(port->dev, port->btn[i + l],
+				((data[tmdc_byte_d[k]] >> (i + port->btno[k])) & 1));
+		l += port->btnc[k];
+	}
+
+	input_sync(port->dev);
+
+	return 0;
+}
+
 /*
  * tmdc_poll() reads and analyzes ThrustMaster joystick data.
  */
@@ -164,57 +242,21 @@ static void tmdc_poll(struct gameport *gameport)
 {
 	unsigned char data[2][TMDC_MAX_LENGTH];
 	struct tmdc *tmdc = gameport_get_drvdata(gameport);
-	struct input_dev *dev;
 	unsigned char r, bad = 0;
-	int i, j, k, l;
+	int i;
 
 	tmdc->reads++;
 
 	if ((r = tmdc_read_packet(tmdc->gameport, data)) != tmdc->exists)
 		bad = 1;
-	else
-
-	for (j = 0; j < 2; j++)
-		if (r & (1 << j) & tmdc->exists) {
-
-			if (data[j][TMDC_BYTE_ID] != tmdc->mode[j]) {
-				bad = 1;
-				continue;
-			}
-
-			dev = tmdc->dev + j;
-
-			for (i = 0; i < tmdc->absc[j]; i++) {
-				if (tmdc->abs[j][i] < 0) continue;
-				input_report_abs(dev, tmdc->abs[j][i], data[j][tmdc_byte_a[i]]);
-			}
-
-			switch (tmdc->mode[j]) {
+	else {
+		for (i = 0; i < 2; i++) {
+			if (r & (1 << i) & tmdc->exists) {
 
-				case TMDC_MODE_M3DI:
-
-					i = tmdc_byte_d[0];
-					input_report_abs(dev, ABS_HAT0X, ((data[j][i] >> 3) & 1) - ((data[j][i] >> 1) & 1));
-					input_report_abs(dev, ABS_HAT0Y, ((data[j][i] >> 2) & 1) - ( data[j][i]       & 1));
-					break;
-
-				case TMDC_MODE_AT:
-
-					i = tmdc_byte_a[3];
-					input_report_abs(dev, ABS_HAT0X, tmdc_hat_to_axis[(data[j][i] - 141) / 25].x);
-					input_report_abs(dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[j][i] - 141) / 25].y);
-					break;
-
-			}
-
-			for (k = l = 0; k < 4; k++) {
-				for (i = 0; i < tmdc->btnc[j][k]; i++)
-					input_report_key(dev, tmdc->btn[j][i + l],
-						((data[j][tmdc_byte_d[k]] >> (i + tmdc->btno[j][k])) & 1));
-				l += tmdc->btnc[j][k];
+				if (tmdc_parse_packet(tmdc->port[i], data[i]))
+					bad = 1;
 			}
-
-			input_sync(dev);
+		}
 	}
 
 	tmdc->bads += bad;
@@ -235,31 +277,89 @@ static void tmdc_close(struct input_dev *dev)
 	gameport_stop_polling(tmdc->gameport);
 }
 
+static int tmdc_setup_port(struct tmdc *tmdc, int idx, unsigned char *data)
+{
+	const struct tmdc_model *model;
+	struct tmdc_port *port;
+	struct input_dev *input_dev;
+	int i, j, b = 0;
+
+	tmdc->port[idx] = port = kzalloc(sizeof (struct tmdc_port), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!port || !input_dev) {
+		kfree(port);
+		input_free_device(input_dev);
+		return -ENOMEM;
+	}
+
+	port->mode = data[TMDC_BYTE_ID];
+
+	for (model = tmdc_models; model->id && model->id != port->mode; model++)
+		/* empty */;
+
+	port->abs = model->axes;
+	port->btn = model->buttons;
+
+	if (!model->id) {
+		port->absc = data[TMDC_BYTE_DEF] >> 4;
+		for (i = 0; i < 4; i++)
+			port->btnc[i] = i < (data[TMDC_BYTE_DEF] & 0xf) ? 8 : 0;
+	} else {
+		port->absc = model->abs;
+		for (i = 0; i < 4; i++)
+			port->btnc[i] = model->btnc[i];
+	}
+
+	for (i = 0; i < 4; i++)
+		port->btno[i] = model->btno[i];
+
+	snprintf(port->name, sizeof(port->name), model->name,
+		 port->absc, (data[TMDC_BYTE_DEF] & 0xf) << 3, port->mode);
+	snprintf(port->phys, sizeof(port->phys), "%s/input%d", tmdc->gameport->phys, i);
+
+	port->dev = input_dev;
+
+	input_dev->name = port->name;
+	input_dev->phys = port->phys;
+	input_dev->id.bustype = BUS_GAMEPORT;
+	input_dev->id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER;
+	input_dev->id.product = model->id;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &tmdc->gameport->dev;
+	input_dev->private = tmdc;
+
+	input_dev->open = tmdc_open;
+	input_dev->close = tmdc_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+	for (i = 0; i < port->absc && i < TMDC_ABS; i++)
+		if (port->abs[i] >= 0)
+			input_set_abs_params(input_dev, port->abs[i], 8, 248, 2, 4);
+
+	for (i = 0; i < model->hats && i < TMDC_ABS_HAT; i++)
+		input_set_abs_params(input_dev, tmdc_abs_hat[i], -1, 1, 0, 0);
+
+	for (i = 0; i < 4; i++) {
+		for (j = 0; j < port->btnc[i] && j < TMDC_BTN; j++)
+			set_bit(port->btn[j + b], input_dev->keybit);
+		b += port->btnc[i];
+	}
+
+	input_register_device(port->dev);
+
+	return 0;
+}
+
 /*
  * tmdc_probe() probes for ThrustMaster type joysticks.
  */
 
 static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv)
 {
-	static struct models {
-		unsigned char id;
-		char *name;
-		char abs;
-		char hats;
-		char btnc[4];
-		char btno[4];
-		signed char *axes;
-		short *buttons;
-	} models[] = {	{   1, "ThrustMaster Millenium 3D Inceptor",	  6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs, tmdc_btn_joy },
-			{   3, "ThrustMaster Rage 3D Gamepad",		  2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad },
-			{   4, "ThrustMaster Attack Throttle",		  5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at, tmdc_btn_at },
-			{   8, "ThrustMaster FragMaster",		  4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm, tmdc_btn_fm },
-			{ 163, "Thrustmaster Fusion GamePad",		  2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad },
-			{   0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs, tmdc_btn_joy }};
-
 	unsigned char data[2][TMDC_MAX_LENGTH];
 	struct tmdc *tmdc;
-	int i, j, k, l, m;
+	int i;
 	int err;
 
 	if (!(tmdc = kzalloc(sizeof(struct tmdc), GFP_KERNEL)))
@@ -281,68 +381,25 @@ static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv)
 	gameport_set_poll_handler(gameport, tmdc_poll);
 	gameport_set_poll_interval(gameport, 20);
 
-	for (j = 0; j < 2; j++)
-		if (tmdc->exists & (1 << j)) {
+	for (i = 0; i < 2; i++) {
+		if (tmdc->exists & (1 << i)) {
 
-			tmdc->mode[j] = data[j][TMDC_BYTE_ID];
-
-			for (m = 0; models[m].id && models[m].id != tmdc->mode[j]; m++);
-
-			tmdc->abs[j] = models[m].axes;
-			tmdc->btn[j] = models[m].buttons;
-
-			if (!models[m].id) {
-				models[m].abs = data[j][TMDC_BYTE_DEF] >> 4;
-				for (k = 0; k < 4; k++)
-					models[m].btnc[k] = k < (data[j][TMDC_BYTE_DEF] & 0xf) ? 8 : 0;
-			}
-
-			tmdc->absc[j] = models[m].abs;
-			for (k = 0; k < 4; k++) {
-				tmdc->btnc[j][k] = models[m].btnc[k];
-				tmdc->btno[j][k] = models[m].btno[k];
-			}
-
-			sprintf(tmdc->name[j], models[m].name, models[m].abs,
-				(data[j][TMDC_BYTE_DEF] & 0xf) << 3, tmdc->mode[j]);
-
-			sprintf(tmdc->phys[j], "%s/input%d", gameport->phys, j);
-
-			tmdc->dev[j].private = tmdc;
-			tmdc->dev[j].open = tmdc_open;
-			tmdc->dev[j].close = tmdc_close;
-
-			tmdc->dev[j].name = tmdc->name[j];
-			tmdc->dev[j].phys = tmdc->phys[j];
-			tmdc->dev[j].id.bustype = BUS_GAMEPORT;
-			tmdc->dev[j].id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER;
-			tmdc->dev[j].id.product = models[m].id;
-			tmdc->dev[j].id.version = 0x0100;
-
-			tmdc->dev[j].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
-			for (i = 0; i < models[m].abs && i < TMDC_ABS; i++)
-				if (tmdc->abs[j][i] >= 0)
-					input_set_abs_params(&tmdc->dev[j], tmdc->abs[j][i], 8, 248, 2, 4);
-
-			for (i = 0; i < models[m].hats && i < TMDC_ABS_HAT; i++)
-				input_set_abs_params(&tmdc->dev[j], tmdc_abs_hat[i], -1, 1, 0, 0);
-
-
-			for (k = l = 0; k < 4; k++) {
-				for (i = 0; i < models[m].btnc[k] && i < TMDC_BTN; i++)
-					set_bit(tmdc->btn[j][i + l], tmdc->dev[j].keybit);
-				l += models[m].btnc[k];
-			}
-
-			input_register_device(tmdc->dev + j);
-			printk(KERN_INFO "input: %s on %s\n", tmdc->name[j], gameport->phys);
+			err = tmdc_setup_port(tmdc, i, data[i]);
+			if (err)
+				goto fail3;
 		}
+	}
 
 	return 0;
 
-fail2:	gameport_close(gameport);
-fail1:	gameport_set_drvdata(gameport, NULL);
+ fail3: while (--i >= 0) {
+		if (tmdc->port[i]) {
+			input_unregister_device(tmdc->port[i]->dev);
+			kfree(tmdc->port[i]);
+		}
+	}
+ fail2:	gameport_close(gameport);
+ fail1:	gameport_set_drvdata(gameport, NULL);
 	kfree(tmdc);
 	return err;
 }
@@ -352,9 +409,12 @@ static void tmdc_disconnect(struct gameport *gameport)
 	struct tmdc *tmdc = gameport_get_drvdata(gameport);
 	int i;
 
-	for (i = 0; i < 2; i++)
-		if (tmdc->exists & (1 << i))
-			input_unregister_device(tmdc->dev + i);
+	for (i = 0; i < 2; i++) {
+		if (tmdc->port[i]) {
+			input_unregister_device(tmdc->port[i]->dev);
+			kfree(tmdc->port[i]);
+		}
+	}
 	gameport_close(gameport);
 	gameport_set_drvdata(gameport, NULL);
 	kfree(tmdc);

drivers/input/joystick/turbografx.c

@@ -42,19 +42,21 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("TurboGraFX parallel port interface driver");
 MODULE_LICENSE("GPL");
 
-static int tgfx[] __initdata = { -1, 0, 0, 0, 0, 0, 0, 0 };
-static int tgfx_nargs __initdata = 0;
-module_param_array_named(map, tgfx, int, &tgfx_nargs, 0);
-MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<js1>,<js2>,..<js7>");
+#define TGFX_MAX_PORTS		3
+#define TGFX_MAX_DEVICES	7
 
-static int tgfx_2[] __initdata = { -1, 0, 0, 0, 0, 0, 0, 0 };
-static int tgfx_nargs_2 __initdata = 0;
-module_param_array_named(map2, tgfx_2, int, &tgfx_nargs_2, 0);
-MODULE_PARM_DESC(map2, "Describes second set of devices");
+struct tgfx_config {
+	int args[TGFX_MAX_DEVICES + 1];
+	int nargs;
+};
+
+static struct tgfx_config tgfx[TGFX_MAX_PORTS] __initdata;
 
-static int tgfx_3[] __initdata = { -1, 0, 0, 0, 0, 0, 0, 0 };
-static int tgfx_nargs_3 __initdata = 0;
-module_param_array_named(map3, tgfx_3, int, &tgfx_nargs_3, 0);
+module_param_array_named(map, tgfx[0].args, int, &tgfx[0].nargs, 0);
+MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<js1>,<js2>,..<js7>");
+module_param_array_named(map2, tgfx[1].args, int, &tgfx[1].nargs, 0);
+MODULE_PARM_DESC(map2, "Describes second set of devices");
+module_param_array_named(map3, tgfx[2].args, int, &tgfx[2].nargs, 0);
 MODULE_PARM_DESC(map3, "Describes third set of devices");
 
 __obsolete_setup("tgfx=");
@@ -75,17 +77,17 @@ __obsolete_setup("tgfx_3=");
 #define TGFX_TOP2		0x08
 
 static int tgfx_buttons[] = { BTN_TRIGGER, BTN_THUMB, BTN_THUMB2, BTN_TOP, BTN_TOP2 };
-static char *tgfx_name = "TurboGraFX Multisystem joystick";
 
 static struct tgfx {
 	struct pardevice *pd;
 	struct timer_list timer;
-	struct input_dev dev[7];
-	char phys[7][32];
+	struct input_dev *dev[TGFX_MAX_DEVICES];
+	char name[TGFX_MAX_DEVICES][64];
+	char phys[TGFX_MAX_DEVICES][32];
 	int sticks;
 	int used;
 	struct semaphore sem;
-} *tgfx_base[3];
+} *tgfx_base[TGFX_MAX_PORTS];
 
 /*
  * tgfx_timer() reads and analyzes TurboGraFX joystick data.
@@ -100,7 +102,7 @@ static void tgfx_timer(unsigned long private)
 	for (i = 0; i < 7; i++)
 		if (tgfx->sticks & (1 << i)) {
 
-			dev = tgfx->dev + i;
+			dev = tgfx->dev[i];
 
 			parport_write_data(tgfx->pd->port, ~(1 << i));
 			data1 = parport_read_status(tgfx->pd->port) ^ 0x7f;
@@ -153,118 +155,165 @@ static void tgfx_close(struct input_dev *dev)
 	up(&tgfx->sem);
 }
 
+
+
 /*
  * tgfx_probe() probes for tg gamepads.
  */
 
-static struct tgfx __init *tgfx_probe(int *config, int nargs)
+static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs)
 {
 	struct tgfx *tgfx;
+	struct input_dev *input_dev;
 	struct parport *pp;
+	struct pardevice *pd;
 	int i, j;
+	int err;
 
-	if (config[0] < 0)
-		return NULL;
-
-	if (nargs < 2) {
-		printk(KERN_ERR "turbografx.c: at least one joystick must be specified\n");
-		return NULL;
-	}
-
-	pp = parport_find_number(config[0]);
-
+	pp = parport_find_number(parport);
 	if (!pp) {
 		printk(KERN_ERR "turbografx.c: no such parport\n");
-		return NULL;
+		err = -EINVAL;
+		goto err_out;
 	}
 
-	if (!(tgfx = kzalloc(sizeof(struct tgfx), GFP_KERNEL))) {
-		parport_put_port(pp);
-		return NULL;
+	pd = parport_register_device(pp, "turbografx", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
+	if (!pd) {
+		printk(KERN_ERR "turbografx.c: parport busy already - lp.o loaded?\n");
+		err = -EBUSY;
+		goto err_put_pp;
 	}
 
-	init_MUTEX(&tgfx->sem);
-
-	tgfx->pd = parport_register_device(pp, "turbografx", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
-
-	parport_put_port(pp);
-
-	if (!tgfx->pd) {
-		printk(KERN_ERR "turbografx.c: parport busy already - lp.o loaded?\n");
-		kfree(tgfx);
-		return NULL;
+	tgfx = kzalloc(sizeof(struct tgfx), GFP_KERNEL);
+	if (!tgfx) {
+		printk(KERN_ERR "turbografx.c: Not enough memory\n");
+		err = -ENOMEM;
+		goto err_unreg_pardev;
 	}
 
+	init_MUTEX(&tgfx->sem);
+	tgfx->pd = pd;
 	init_timer(&tgfx->timer);
 	tgfx->timer.data = (long) tgfx;
 	tgfx->timer.function = tgfx_timer;
 
-	tgfx->sticks = 0;
+	for (i = 0; i < n_devs; i++) {
+		if (n_buttons[i] < 1)
+			continue;
 
-	for (i = 0; i < nargs - 1; i++)
-		if (config[i+1] > 0 && config[i+1] < 6) {
-
-			tgfx->sticks |= (1 << i);
+		if (n_buttons[i] > 6) {
+			printk(KERN_ERR "turbografx.c: Invalid number of buttons %d\n", n_buttons[i]);
+			err = -EINVAL;
+			goto err_free_devs;
+		}
 
-			tgfx->dev[i].private = tgfx;
-			tgfx->dev[i].open = tgfx_open;
-			tgfx->dev[i].close = tgfx_close;
+		tgfx->dev[i] = input_dev = input_allocate_device();
+		if (!input_dev) {
+			printk(KERN_ERR "turbografx.c: Not enough memory for input device\n");
+			err = -ENOMEM;
+			goto err_free_devs;
+		}
 
-			sprintf(tgfx->phys[i], "%s/input0", tgfx->pd->port->name);
+		tgfx->sticks |= (1 << i);
+		snprintf(tgfx->name[i], sizeof(tgfx->name[i]),
+			 "TurboGraFX %d-button Multisystem joystick", n_buttons[i]);
+		snprintf(tgfx->phys[i], sizeof(tgfx->phys[i]),
+			 "%s/input%d", tgfx->pd->port->name, i);
 
-			tgfx->dev[i].name = tgfx_name;
-			tgfx->dev[i].phys = tgfx->phys[i];
-			tgfx->dev[i].id.bustype = BUS_PARPORT;
-			tgfx->dev[i].id.vendor = 0x0003;
-			tgfx->dev[i].id.product = config[i+1];
-			tgfx->dev[i].id.version = 0x0100;
+		input_dev->name = tgfx->name[i];
+		input_dev->phys = tgfx->phys[i];
+		input_dev->id.bustype = BUS_PARPORT;
+		input_dev->id.vendor = 0x0003;
+		input_dev->id.product = n_buttons[i];
+		input_dev->id.version = 0x0100;
 
-			tgfx->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-			tgfx->dev[i].absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+		input_dev->private = tgfx;
+		input_dev->open = tgfx_open;
+		input_dev->close = tgfx_close;
 
-			for (j = 0; j < config[i+1]; j++)
-				set_bit(tgfx_buttons[j], tgfx->dev[i].keybit);
+		input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+		input_set_abs_params(input_dev, ABS_X, -1, 1, 0, 0);
+		input_set_abs_params(input_dev, ABS_Y, -1, 1, 0, 0);
 
-			tgfx->dev[i].absmin[ABS_X] = -1; tgfx->dev[i].absmax[ABS_X] = 1;
-			tgfx->dev[i].absmin[ABS_Y] = -1; tgfx->dev[i].absmax[ABS_Y] = 1;
+		for (j = 0; j < n_buttons[i]; j++)
+			set_bit(tgfx_buttons[j], input_dev->keybit);
 
-			input_register_device(tgfx->dev + i);
-			printk(KERN_INFO "input: %d-button Multisystem joystick on %s\n",
-				config[i+1], tgfx->pd->port->name);
-		}
+		input_register_device(tgfx->dev[i]);
+	}
 
         if (!tgfx->sticks) {
-		parport_unregister_device(tgfx->pd);
-		kfree(tgfx);
-		return NULL;
+		printk(KERN_ERR "turbografx.c: No valid devices specified\n");
+		err = -EINVAL;
+		goto err_free_tgfx;
         }
 
 	return tgfx;
+
+ err_free_devs:
+	while (--i >= 0)
+		input_unregister_device(tgfx->dev[i]);
+ err_free_tgfx:
+	kfree(tgfx);
+ err_unreg_pardev:
+	parport_unregister_device(pd);
+ err_put_pp:
+	parport_put_port(pp);
+ err_out:
+	return ERR_PTR(err);
+}
+
+static void __exit tgfx_remove(struct tgfx *tgfx)
+{
+	int i;
+
+	for (i = 0; i < TGFX_MAX_DEVICES; i++)
+		if (tgfx->dev[i])
+			input_unregister_device(tgfx->dev[i]);
+	parport_unregister_device(tgfx->pd);
+	kfree(tgfx);
 }
 
 static int __init tgfx_init(void)
 {
-	tgfx_base[0] = tgfx_probe(tgfx, tgfx_nargs);
-	tgfx_base[1] = tgfx_probe(tgfx_2, tgfx_nargs_2);
-	tgfx_base[2] = tgfx_probe(tgfx_3, tgfx_nargs_3);
+	int i;
+	int have_dev = 0;
+	int err = 0;
+
+	for (i = 0; i < TGFX_MAX_PORTS; i++) {
+		if (tgfx[i].nargs == 0 || tgfx[i].args[0] < 0)
+			continue;
+
+		if (tgfx[i].nargs < 2) {
+			printk(KERN_ERR "turbografx.c: at least one joystick must be specified\n");
+			err = -EINVAL;
+			break;
+		}
+
+		tgfx_base[i] = tgfx_probe(tgfx[i].args[0], tgfx[i].args + 1, tgfx[i].nargs - 1);
+		if (IS_ERR(tgfx_base[i])) {
+			err = PTR_ERR(tgfx_base[i]);
+			break;
+		}
+
+		have_dev = 1;
+	}
 
-	if (tgfx_base[0] || tgfx_base[1] || tgfx_base[2])
-		return 0;
+	if (err) {
+		while (--i >= 0)
+			tgfx_remove(tgfx_base[i]);
+		return err;
+	}
 
-	return -ENODEV;
+	return have_dev ? 0 : -ENODEV;
 }
 
 static void __exit tgfx_exit(void)
 {
-	int i, j;
+	int i;
 
-	for (i = 0; i < 3; i++)
-		if (tgfx_base[i]) {
-			for (j = 0; j < 7; j++)
-				if (tgfx_base[i]->sticks & (1 << j))
-					input_unregister_device(tgfx_base[i]->dev + j);
-		parport_unregister_device(tgfx_base[i]->pd);
-	}
+	for (i = 0; i < TGFX_MAX_PORTS; i++)
+		if (tgfx_base[i])
+			tgfx_remove(tgfx_base[i]);
 }
 
 module_init(tgfx_init);

drivers/input/joystick/twidjoy.c

@@ -69,8 +69,6 @@ MODULE_LICENSE("GPL");
 
 #define TWIDJOY_MAX_LENGTH 5
 
-static char *twidjoy_name = "Handykey Twiddler";
-
 static struct twidjoy_button_spec {
 	int bitshift;
 	int bitmask;
@@ -95,7 +93,7 @@ twidjoy_buttons[] = {
  */
 
 struct twidjoy {
-	struct input_dev dev;
+	struct input_dev *dev;
 	int idx;
 	unsigned char data[TWIDJOY_MAX_LENGTH];
 	char phys[32];
@@ -108,37 +106,33 @@ struct twidjoy {
 
 static void twidjoy_process_packet(struct twidjoy *twidjoy, struct pt_regs *regs)
 {
-	if (twidjoy->idx == TWIDJOY_MAX_LENGTH) {
-		struct input_dev *dev = &twidjoy->dev;
-		unsigned char *data = twidjoy->data;
-		struct twidjoy_button_spec *bp;
-		int button_bits, abs_x, abs_y;
-
-		button_bits = ((data[1] & 0x7f) << 7) | (data[0] & 0x7f);
+	struct input_dev *dev = twidjoy->dev;
+	unsigned char *data = twidjoy->data;
+	struct twidjoy_button_spec *bp;
+	int button_bits, abs_x, abs_y;
 
-		input_regs(dev, regs);
+	button_bits = ((data[1] & 0x7f) << 7) | (data[0] & 0x7f);
 
-		for (bp = twidjoy_buttons; bp->bitmask; bp++) {
-			int value = (button_bits & (bp->bitmask << bp->bitshift)) >> bp->bitshift;
-			int i;
+	input_regs(dev, regs);
 
-			for (i = 0; i < bp->bitmask; i++)
-				input_report_key(dev, bp->buttons[i], i+1 == value);
-		}
+	for (bp = twidjoy_buttons; bp->bitmask; bp++) {
+		int value = (button_bits & (bp->bitmask << bp->bitshift)) >> bp->bitshift;
+		int i;
 
-		abs_x = ((data[4] & 0x07) << 5) | ((data[3] & 0x7C) >> 2);
-		if (data[4] & 0x08) abs_x -= 256;
+		for (i = 0; i < bp->bitmask; i++)
+			input_report_key(dev, bp->buttons[i], i+1 == value);
+	}
 
-		abs_y = ((data[3] & 0x01) << 7) | ((data[2] & 0x7F) >> 0);
-		if (data[3] & 0x02) abs_y -= 256;
+	abs_x = ((data[4] & 0x07) << 5) | ((data[3] & 0x7C) >> 2);
+	if (data[4] & 0x08) abs_x -= 256;
 
-		input_report_abs(dev, ABS_X, -abs_x);
-		input_report_abs(dev, ABS_Y, +abs_y);
+	abs_y = ((data[3] & 0x01) << 7) | ((data[2] & 0x7F) >> 0);
+	if (data[3] & 0x02) abs_y -= 256;
 
-		input_sync(dev);
-	}
+	input_report_abs(dev, ABS_X, -abs_x);
+	input_report_abs(dev, ABS_Y, +abs_y);
 
-	return;
+	input_sync(dev);
 }
 
 /*
@@ -179,9 +173,9 @@ static void twidjoy_disconnect(struct serio *serio)
 {
 	struct twidjoy *twidjoy = serio_get_drvdata(serio);
 
-	input_unregister_device(&twidjoy->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
+	input_unregister_device(twidjoy->dev);
 	kfree(twidjoy);
 }
 
@@ -195,59 +189,49 @@ static int twidjoy_connect(struct serio *serio, struct serio_driver *drv)
 {
 	struct twidjoy_button_spec *bp;
 	struct twidjoy *twidjoy;
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
 	int i;
-	int err;
-
-	if (!(twidjoy = kmalloc(sizeof(struct twidjoy), GFP_KERNEL)))
-		return -ENOMEM;
 
-	memset(twidjoy, 0, sizeof(struct twidjoy));
+	twidjoy = kzalloc(sizeof(struct twidjoy), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!twidjoy || !input_dev)
+		goto fail;
 
+	twidjoy->dev = input_dev;
 	sprintf(twidjoy->phys, "%s/input0", serio->phys);
 
-	init_input_dev(&twidjoy->dev);
-	twidjoy->dev.name = twidjoy_name;
-	twidjoy->dev.phys = twidjoy->phys;
-	twidjoy->dev.id.bustype = BUS_RS232;
-	twidjoy->dev.id.vendor = SERIO_TWIDJOY;
-	twidjoy->dev.id.product = 0x0001;
-	twidjoy->dev.id.version = 0x0100;
-	twidjoy->dev.dev = &serio->dev;
-
-	twidjoy->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
-	for (bp = twidjoy_buttons; bp->bitmask; bp++) {
+	input_dev->name = "Handykey Twiddler";
+	input_dev->phys = twidjoy->phys;
+	input_dev->id.bustype = BUS_RS232;
+	input_dev->id.vendor = SERIO_TWIDJOY;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &serio->dev;
+	input_dev->private = twidjoy;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+	input_set_abs_params(input_dev, ABS_X, -50, 50, 4, 4);
+	input_set_abs_params(input_dev, ABS_Y, -50, 50, 4, 4);
+
+	for (bp = twidjoy_buttons; bp->bitmask; bp++)
 		for (i = 0; i < bp->bitmask; i++)
-			set_bit(bp->buttons[i], twidjoy->dev.keybit);
-	}
-
-	twidjoy->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
-
-	for (i = 0; i < 2; i++) {
-		twidjoy->dev.absmax[ABS_X+i] =  50;
-		twidjoy->dev.absmin[ABS_X+i] = -50;
-
-		/* TODO: arndt 20010708: Are these values appropriate? */
-		twidjoy->dev.absfuzz[ABS_X+i] = 4;
-		twidjoy->dev.absflat[ABS_X+i] = 4;
-	}
-
-	twidjoy->dev.private = twidjoy;
+			set_bit(bp->buttons[i], input_dev->keybit);
 
 	serio_set_drvdata(serio, twidjoy);
 
 	err = serio_open(serio, drv);
-	if (err) {
-		serio_set_drvdata(serio, NULL);
-		kfree(twidjoy);
-		return err;
-	}
-
-	input_register_device(&twidjoy->dev);
-
-	printk(KERN_INFO "input: %s on %s\n", twidjoy_name, serio->phys);
+	if (err)
+		goto fail;
 
+	input_register_device(twidjoy->dev);
 	return 0;
+
+ fail:	serio_set_drvdata(serio, NULL);
+	input_free_device(input_dev);
+	kfree(twidjoy);
+	return err;
 }
 
 /*

drivers/input/joystick/warrior.c

@@ -47,14 +47,13 @@ MODULE_LICENSE("GPL");
 
 #define WARRIOR_MAX_LENGTH	16
 static char warrior_lengths[] = { 0, 4, 12, 3, 4, 4, 0, 0 };
-static char *warrior_name = "Logitech WingMan Warrior";
 
 /*
  * Per-Warrior data.
  */
 
 struct warrior {
-	struct input_dev dev;
+	struct input_dev *dev;
 	int idx, len;
 	unsigned char data[WARRIOR_MAX_LENGTH];
 	char phys[32];
@@ -67,7 +66,7 @@ struct warrior {
 
 static void warrior_process_packet(struct warrior *warrior, struct pt_regs *regs)
 {
-	struct input_dev *dev = &warrior->dev;
+	struct input_dev *dev = warrior->dev;
 	unsigned char *data = warrior->data;
 
 	if (!warrior->idx) return;
@@ -131,9 +130,9 @@ static void warrior_disconnect(struct serio *serio)
 {
 	struct warrior *warrior = serio_get_drvdata(serio);
 
-	input_unregister_device(&warrior->dev);
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
+	input_unregister_device(warrior->dev);
 	kfree(warrior);
 }
 
@@ -146,60 +145,48 @@ static void warrior_disconnect(struct serio *serio)
 static int warrior_connect(struct serio *serio, struct serio_driver *drv)
 {
 	struct warrior *warrior;
-	int i;
-	int err;
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
 
-	if (!(warrior = kmalloc(sizeof(struct warrior), GFP_KERNEL)))
-		return -ENOMEM;
-
-	memset(warrior, 0, sizeof(struct warrior));
-
-	warrior->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL) | BIT(EV_ABS);
-	warrior->dev.keybit[LONG(BTN_TRIGGER)] = BIT(BTN_TRIGGER) | BIT(BTN_THUMB) | BIT(BTN_TOP) | BIT(BTN_TOP2);
-	warrior->dev.relbit[0] = BIT(REL_DIAL);
-	warrior->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y);
+	warrior = kzalloc(sizeof(struct warrior), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!warrior || !input_dev)
+		goto fail;
 
+	warrior->dev = input_dev;
 	sprintf(warrior->phys, "%s/input0", serio->phys);
 
-	init_input_dev(&warrior->dev);
-	warrior->dev.name = warrior_name;
-	warrior->dev.phys = warrior->phys;
-	warrior->dev.id.bustype = BUS_RS232;
-	warrior->dev.id.vendor = SERIO_WARRIOR;
-	warrior->dev.id.product = 0x0001;
-	warrior->dev.id.version = 0x0100;
-	warrior->dev.dev = &serio->dev;
-
-	for (i = 0; i < 2; i++) {
-		warrior->dev.absmax[ABS_X+i] = -64;
-		warrior->dev.absmin[ABS_X+i] =  64;
-		warrior->dev.absflat[ABS_X+i] = 8;
-	}
-
-	warrior->dev.absmax[ABS_THROTTLE] = -112;
-	warrior->dev.absmin[ABS_THROTTLE] =  112;
-
-	for (i = 0; i < 2; i++) {
-		warrior->dev.absmax[ABS_HAT0X+i] = -1;
-		warrior->dev.absmin[ABS_HAT0X+i] =  1;
-	}
-
-	warrior->dev.private = warrior;
+	input_dev->name = "Logitech WingMan Warrior";
+	input_dev->phys = warrior->phys;
+	input_dev->id.bustype = BUS_RS232;
+	input_dev->id.vendor = SERIO_WARRIOR;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &serio->dev;
+	input_dev->private = warrior;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL) | BIT(EV_ABS);
+	input_dev->keybit[LONG(BTN_TRIGGER)] = BIT(BTN_TRIGGER) | BIT(BTN_THUMB) | BIT(BTN_TOP) | BIT(BTN_TOP2);
+	input_dev->relbit[0] = BIT(REL_DIAL);
+	input_set_abs_params(input_dev, ABS_X, -64, 64, 0, 8);
+	input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 8);
+	input_set_abs_params(input_dev, ABS_THROTTLE, -112, 112, 0, 0);
+	input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
+	input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
 
 	serio_set_drvdata(serio, warrior);
 
 	err = serio_open(serio, drv);
-	if (err) {
-		serio_set_drvdata(serio, NULL);
-		kfree(warrior);
-		return err;
-	}
-
-	input_register_device(&warrior->dev);
-
-	printk(KERN_INFO "input: Logitech WingMan Warrior on %s\n", serio->phys);
+	if (err)
+		goto fail;
 
+	input_register_device(warrior->dev);
 	return 0;
+
+ fail:	serio_set_drvdata(serio, NULL);
+	input_free_device(input_dev);
+	kfree(warrior);
+	return err;
 }
 
 /*