[PATCH] fbdev: savagefb: Driver cleanup

- remove redundant casts
- remove symbol_get/symbol_put
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/savage/savagefb-i2c.c

@@ -49,7 +49,7 @@
 
 static void savage4_gpio_setscl(void *data, int val)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 	unsigned int r;
 
 	r = readl(chan->ioaddr + chan->reg);
@@ -63,7 +63,7 @@ static void savage4_gpio_setscl(void *data, int val)
 
 static void savage4_gpio_setsda(void *data, int val)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 
 	unsigned int r;
 	r = readl(chan->ioaddr + chan->reg);
@@ -77,21 +77,21 @@ static void savage4_gpio_setsda(void *data, int val)
 
 static int savage4_gpio_getscl(void *data)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 
 	return (0 != (readl(chan->ioaddr + chan->reg) & SAVAGE4_I2C_SCL_IN));
 }
 
 static int savage4_gpio_getsda(void *data)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 
 	return (0 != (readl(chan->ioaddr + chan->reg) & SAVAGE4_I2C_SDA_IN));
 }
 
 static void prosavage_gpio_setscl(void* data, int val)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 	u32			  r;
 
 	SET_CR_IX(chan->ioaddr, chan->reg);
@@ -107,7 +107,7 @@ static void prosavage_gpio_setscl(void* data, int val)
 
 static void prosavage_gpio_setsda(void* data, int val)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 	unsigned int r;
 
 	SET_CR_IX(chan->ioaddr, chan->reg);
@@ -123,7 +123,7 @@ static void prosavage_gpio_setsda(void* data, int val)
 
 static int prosavage_gpio_getscl(void* data)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 
 	SET_CR_IX(chan->ioaddr, chan->reg);
 	return (0 != (GET_CR_DATA(chan->ioaddr) & PROSAVAGE_I2C_SCL_IN));
@@ -131,7 +131,7 @@ static int prosavage_gpio_getscl(void* data)
 
 static int prosavage_gpio_getsda(void* data)
 {
-	struct savagefb_i2c_chan *chan = (struct savagefb_i2c_chan *)data;
+	struct savagefb_i2c_chan *chan = data;
 
 	SET_CR_IX(chan->ioaddr, chan->reg);
 	return (0 != (GET_CR_DATA(chan->ioaddr) & PROSAVAGE_I2C_SDA_IN));
@@ -140,10 +140,9 @@ static int prosavage_gpio_getsda(void* data)
 static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan,
 				const char *name)
 {
-	int (*add_bus)(struct i2c_adapter *) = symbol_get(i2c_bit_add_bus);
 	int rc = 0;
 
-	if (add_bus && chan->par) {
+	if (chan->par) {
 		strcpy(chan->adapter.name, name);
 		chan->adapter.owner		= THIS_MODULE;
 		chan->adapter.id		= I2C_HW_B_SAVAGE;
@@ -161,7 +160,7 @@ static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan,
 		chan->algo.setscl(chan, 1);
 		udelay(20);
 
-		rc = add_bus(&chan->adapter);
+		rc = i2c_bit_add_bus(&chan->adapter);
 
 		if (rc == 0)
 			dev_dbg(&chan->par->pcidev->dev,
@@ -169,8 +168,6 @@ static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan,
 		else
 			dev_warn(&chan->par->pcidev->dev,
 				 "Failed to register I2C bus %s.\n", name);
-
-		symbol_put(i2c_bit_add_bus);
 	} else
 		chan->par = NULL;
 
@@ -179,7 +176,7 @@ static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan,
 
 void savagefb_create_i2c_busses(struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	par->chan.par	= par;
 
 	switch(info->fix.accel) {
@@ -210,14 +207,10 @@ void savagefb_create_i2c_busses(struct fb_info *info)
 
 void savagefb_delete_i2c_busses(struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
-	int (*del_bus)(struct i2c_adapter *) =
-		symbol_get(i2c_bit_del_bus);
+	struct savagefb_par *par = info->par;
 
-	if (del_bus && par->chan.par) {
-		del_bus(&par->chan.adapter);
-		symbol_put(i2c_bit_del_bus);
-	}
+	if (par->chan.par)
+		i2c_bit_del_bus(&par->chan.adapter);
 
 	par->chan.par = NULL;
 }
@@ -225,8 +218,6 @@ void savagefb_delete_i2c_busses(struct fb_info *info)
 static u8 *savage_do_probe_i2c_edid(struct savagefb_i2c_chan *chan)
 {
 	u8 start = 0x0;
-	int (*transfer)(struct i2c_adapter *, struct i2c_msg *, int) =
-		symbol_get(i2c_transfer);
 	struct i2c_msg msgs[] = {
 		{
 			.addr	= SAVAGE_DDC,
@@ -240,21 +231,19 @@ static u8 *savage_do_probe_i2c_edid(struct savagefb_i2c_chan *chan)
 	};
 	u8 *buf = NULL;
 
-	if (transfer && chan->par) {
+	if (chan->par) {
 		buf = kmalloc(EDID_LENGTH, GFP_KERNEL);
 
 		if (buf) {
 			msgs[1].buf = buf;
 
-			if (transfer(&chan->adapter, msgs, 2) != 2) {
+			if (i2c_transfer(&chan->adapter, msgs, 2) != 2) {
 				dev_dbg(&chan->par->pcidev->dev,
 					"Unable to read EDID block.\n");
 				kfree(buf);
 				buf = NULL;
 			}
 		}
-
-		symbol_put(i2c_transfer);
 	}
 
 	return buf;

drivers/video/savage/savagefb_accel.c

@@ -21,7 +21,7 @@ static u32 savagefb_rop[] = {
 
 int savagefb_sync(struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 
 	par->SavageWaitIdle(par);
 	return 0;
@@ -29,7 +29,7 @@ int savagefb_sync(struct fb_info *info)
 
 void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	int sx = region->sx, dx = region->dx;
 	int sy = region->sy, dy = region->dy;
 	int cmd;
@@ -63,7 +63,7 @@ void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 
 void savagefb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	int cmd, color;
 
 	if (!rect->width || !rect->height)
@@ -90,7 +90,7 @@ void savagefb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 
 void savagefb_imageblit(struct fb_info *info, const struct fb_image *image)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	int fg, bg, size, i, width;
 	int cmd;
 	u32 *src = (u32 *) image->data;

drivers/video/savage/savagefb_driver.c

@@ -686,7 +686,7 @@ static void savage_update_var(struct fb_var_screeninfo *var, struct fb_videomode
 static int savagefb_check_var (struct fb_var_screeninfo   *var,
 			       struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	int memlen, vramlen, mode_valid = 0;
 
 	DBG("savagefb_check_var");
@@ -1025,7 +1025,7 @@ static int savagefb_setcolreg(unsigned        regno,
 			      unsigned        transp,
 			      struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 
 	if (regno >= NR_PALETTE)
 		return -EINVAL;
@@ -1328,7 +1328,7 @@ static void savagefb_set_fix(struct fb_info *info)
 #if defined(CONFIG_FB_SAVAGE_ACCEL)
 static void savagefb_set_clip(struct fb_info *info)
 {
-    struct savagefb_par *par = (struct savagefb_par *)info->par;
+    struct savagefb_par *par = info->par;
     int cmd;
 
     cmd = BCI_CMD_NOP | BCI_CMD_CLIP_NEW;
@@ -1342,7 +1342,7 @@ static void savagefb_set_clip(struct fb_info *info)
 
 static int savagefb_set_par (struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	struct fb_var_screeninfo *var = &info->var;
 	int err;
 
@@ -1381,7 +1381,7 @@ static int savagefb_set_par (struct fb_info *info)
 static int savagefb_pan_display (struct fb_var_screeninfo *var,
 				 struct fb_info           *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	u_int y_bottom;
 
 	y_bottom = var->yoffset;
@@ -1534,7 +1534,7 @@ static void savage_disable_mmio (struct savagefb_par *par)
 
 static int __devinit savage_map_mmio (struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	DBG ("savage_map_mmio");
 
 	if (S3_SAVAGE3D_SERIES (par->chip))
@@ -1567,7 +1567,7 @@ static int __devinit savage_map_mmio (struct fb_info *info)
 
 static void __devinit savage_unmap_mmio (struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	DBG ("savage_unmap_mmio");
 
 	savage_disable_mmio(par);
@@ -1581,7 +1581,7 @@ static void __devinit savage_unmap_mmio (struct fb_info *info)
 static int __devinit savage_map_video (struct fb_info *info,
 				       int video_len)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	int resource;
 
 	DBG("savage_map_video");
@@ -1619,7 +1619,7 @@ static int __devinit savage_map_video (struct fb_info *info,
 
 static void __devinit savage_unmap_video (struct fb_info *info)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 
 	DBG("savage_unmap_video");
 
@@ -1869,7 +1869,7 @@ static int __devinit savage_init_fb_info (struct fb_info *info,
 					  struct pci_dev *dev,
 					  const struct pci_device_id *id)
 {
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct savagefb_par *par = info->par;
 	int err = 0;
 
 	par->pcidev  = dev;
@@ -2139,8 +2139,7 @@ static int __devinit savagefb_probe (struct pci_dev* dev,
 
 static void __devexit savagefb_remove (struct pci_dev *dev)
 {
-	struct fb_info *info =
-		(struct fb_info *)pci_get_drvdata(dev);
+	struct fb_info *info = pci_get_drvdata(dev);
 
 	DBG("savagefb_remove");
 
@@ -2174,9 +2173,8 @@ static void __devexit savagefb_remove (struct pci_dev *dev)
 
 static int savagefb_suspend (struct pci_dev* dev, pm_message_t state)
 {
-	struct fb_info *info =
-		(struct fb_info *)pci_get_drvdata(dev);
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct fb_info *info = pci_get_drvdata(dev);
+	struct savagefb_par *par = info->par;
 
 	DBG("savagefb_suspend");
 
@@ -2210,9 +2208,8 @@ static int savagefb_suspend (struct pci_dev* dev, pm_message_t state)
 
 static int savagefb_resume (struct pci_dev* dev)
 {
-	struct fb_info *info =
-		(struct fb_info *)pci_get_drvdata(dev);
-	struct savagefb_par *par = (struct savagefb_par *)info->par;
+	struct fb_info *info = pci_get_drvdata(dev);
+	struct savagefb_par *par = info->par;
 	int cur_state = par->pm_state;
 
 	DBG("savage_resume");