Input: constify input core

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/char/keyboard.c

@@ -1285,7 +1285,7 @@ static void kbd_event(struct input_handle *handle, unsigned int event_type,
  */
 static struct input_handle *kbd_connect(struct input_handler *handler,
 					struct input_dev *dev,
-					struct input_device_id *id)
+					const struct input_device_id *id)
 {
 	struct input_handle *handle;
 	int i;
@@ -1334,7 +1334,7 @@ static void kbd_start(struct input_handle *handle)
 	tasklet_enable(&keyboard_tasklet);
 }
 
-static struct input_device_id kbd_ids[] = {
+static const struct input_device_id kbd_ids[] = {
 	{
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
                 .evbit = { BIT(EV_KEY) },

drivers/input/evbug.c

@@ -42,10 +42,12 @@ static char evbug_name[] = "evbug";
 
 static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
 {
-	printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", handle->dev->phys, type, code, value);
+	printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n",
+		handle->dev->phys, type, code, value);
 }
 
-static struct input_handle *evbug_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
+static struct input_handle *evbug_connect(struct input_handler *handler, struct input_dev *dev,
+					  const struct input_device_id *id)
 {
 	struct input_handle *handle;
 
@@ -72,7 +74,7 @@ static void evbug_disconnect(struct input_handle *handle)
 	kfree(handle);
 }
 
-static struct input_device_id evbug_ids[] = {
+static const struct input_device_id evbug_ids[] = {
 	{ .driver_info = 1 },	/* Matches all devices */
 	{ },			/* Terminating zero entry */
 };

drivers/input/evdev.c

@@ -601,7 +601,7 @@ static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned lon
 }
 #endif
 
-static struct file_operations evdev_fops = {
+static const struct file_operations evdev_fops = {
 	.owner =	THIS_MODULE,
 	.read =		evdev_read,
 	.write =	evdev_write,
@@ -616,7 +616,8 @@ static struct file_operations evdev_fops = {
 	.flush =	evdev_flush
 };
 
-static struct input_handle *evdev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
+static struct input_handle *evdev_connect(struct input_handler *handler, struct input_dev *dev,
+					  const struct input_device_id *id)
 {
 	struct evdev *evdev;
 	struct class_device *cdev;
@@ -675,7 +676,7 @@ static void evdev_disconnect(struct input_handle *handle)
 		evdev_free(evdev);
 }
 
-static struct input_device_id evdev_ids[] = {
+static const struct input_device_id evdev_ids[] = {
 	{ .driver_info = 1 },	/* Matches all devices */
 	{ },			/* Terminating zero entry */
 };

drivers/input/input.c

@@ -313,7 +313,8 @@ static void input_link_handle(struct input_handle *handle)
 		if (i != NBITS(max)) \
 			continue;
 
-static struct input_device_id *input_match_device(struct input_device_id *id, struct input_dev *dev)
+static const struct input_device_id *input_match_device(const struct input_device_id *id,
+							struct input_dev *dev)
 {
 	int i;
 
@@ -935,7 +936,7 @@ int input_register_device(struct input_dev *dev)
 	static atomic_t input_no = ATOMIC_INIT(0);
 	struct input_handle *handle;
 	struct input_handler *handler;
-	struct input_device_id *id;
+	const struct input_device_id *id;
 	const char *path;
 	int error;
 
@@ -1050,7 +1051,7 @@ void input_register_handler(struct input_handler *handler)
 {
 	struct input_dev *dev;
 	struct input_handle *handle;
-	struct input_device_id *id;
+	const struct input_device_id *id;
 
 	if (!handler)
 		return;

drivers/input/joydev.c

@@ -451,7 +451,7 @@ static int joydev_ioctl(struct inode *inode, struct file *file, unsigned int cmd
 	}
 }
 
-static struct file_operations joydev_fops = {
+static const struct file_operations joydev_fops = {
 	.owner =	THIS_MODULE,
 	.read =		joydev_read,
 	.write =	joydev_write,
@@ -465,7 +465,8 @@ static struct file_operations joydev_fops = {
 	.fasync =	joydev_fasync,
 };
 
-static struct input_handle *joydev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
+static struct input_handle *joydev_connect(struct input_handler *handler, struct input_dev *dev,
+					   const struct input_device_id *id)
 {
 	struct joydev *joydev;
 	struct class_device *cdev;
@@ -562,7 +563,7 @@ static void joydev_disconnect(struct input_handle *handle)
 		joydev_free(joydev);
 }
 
-static struct input_device_id joydev_blacklist[] = {
+static const struct input_device_id joydev_blacklist[] = {
 	{
 		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
 		.evbit = { BIT(EV_KEY) },
@@ -571,7 +572,7 @@ static struct input_device_id joydev_blacklist[] = {
 	{ }	/* Terminating entry */
 };
 
-static struct input_device_id joydev_ids[] = {
+static const struct input_device_id joydev_ids[] = {
 	{
 		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT,
 		.evbit = { BIT(EV_ABS) },

drivers/input/mousedev.c

@@ -614,7 +614,7 @@ static unsigned int mousedev_poll(struct file *file, poll_table *wait)
 		(list->mousedev->exist ? 0 : (POLLHUP | POLLERR));
 }
 
-static struct file_operations mousedev_fops = {
+static const struct file_operations mousedev_fops = {
 	.owner =	THIS_MODULE,
 	.read =		mousedev_read,
 	.write =	mousedev_write,
@@ -624,7 +624,8 @@ static struct file_operations mousedev_fops = {
 	.fasync =	mousedev_fasync,
 };
 
-static struct input_handle *mousedev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
+static struct input_handle *mousedev_connect(struct input_handler *handler, struct input_dev *dev,
+					     const struct input_device_id *id)
 {
 	struct mousedev *mousedev;
 	struct class_device *cdev;
@@ -688,7 +689,7 @@ static void mousedev_disconnect(struct input_handle *handle)
 	}
 }
 
-static struct input_device_id mousedev_ids[] = {
+static const struct input_device_id mousedev_ids[] = {
 	{
 		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT | INPUT_DEVICE_ID_MATCH_RELBIT,
 		.evbit = { BIT(EV_KEY) | BIT(EV_REL) },

drivers/input/power.c

@@ -98,7 +98,7 @@ static void power_event(struct input_handle *handle, unsigned int type,
 
 static struct input_handle *power_connect(struct input_handler *handler,
 					  struct input_dev *dev,
-					  struct input_device_id *id)
+					  const struct input_device_id *id)
 {
 	struct input_handle *handle;
 
@@ -120,7 +120,7 @@ static void power_disconnect(struct input_handle *handle)
 	kfree(handle);
 }
 
-static struct input_device_id power_ids[] = {
+static const struct input_device_id power_ids[] = {
 	{
 		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
 		.evbit = { BIT(EV_KEY) },

drivers/input/tsdev.c

@@ -135,8 +135,6 @@ struct tsdev_list {
 #define TS_GET_CAL	_IOR(IOC_H3600_TS_MAGIC, 10, struct ts_calibration)
 #define TS_SET_CAL	_IOW(IOC_H3600_TS_MAGIC, 11, struct ts_calibration)
 
-static struct input_handler tsdev_handler;
-
 static struct tsdev *tsdev_table[TSDEV_MINORS/2];
 
 static int tsdev_fasync(int fd, struct file *file, int on)
@@ -263,7 +261,7 @@ static int tsdev_ioctl(struct inode *inode, struct file *file,
 	return retval;
 }
 
-static struct file_operations tsdev_fops = {
+static const struct file_operations tsdev_fops = {
 	.owner =	THIS_MODULE,
 	.open =		tsdev_open,
 	.release =	tsdev_release,
@@ -370,7 +368,7 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
 
 static struct input_handle *tsdev_connect(struct input_handler *handler,
 					  struct input_dev *dev,
-					  struct input_device_id *id)
+					  const struct input_device_id *id)
 {
 	struct tsdev *tsdev;
 	struct class_device *cdev;
@@ -443,7 +441,7 @@ static void tsdev_disconnect(struct input_handle *handle)
 		tsdev_free(tsdev);
 }
 
-static struct input_device_id tsdev_ids[] = {
+static const struct input_device_id tsdev_ids[] = {
 	{
 	      .flags	= INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT | INPUT_DEVICE_ID_MATCH_RELBIT,
 	      .evbit	= { BIT(EV_KEY) | BIT(EV_REL) },

include/linux/input.h

@@ -1059,16 +1059,16 @@ struct input_handler {
 	void *private;
 
 	void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
-	struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
+	struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id);
 	void (*disconnect)(struct input_handle *handle);
 	void (*start)(struct input_handle *handle);
 
 	const struct file_operations *fops;
 	int minor;
-	char *name;
+	const char *name;
 
-	struct input_device_id *id_table;
-	struct input_device_id *blacklist;
+	const struct input_device_id *id_table;
+	const struct input_device_id *blacklist;
 
 	struct list_head	h_list;
 	struct list_head	node;
@@ -1079,7 +1079,7 @@ struct input_handle {
 	void *private;
 
 	int open;
-	char *name;
+	const char *name;
 
 	struct input_dev *dev;
 	struct input_handler *handler;