diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 3e9f96e..dd7b2cc 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -630,7 +630,7 @@
 	int bpp, width, hDisplaySize, hDisplay, hStart,
 	    hEnd, hTotal, height, vDisplay, vStart, vEnd, vTotal, dotClock;
 	int hBlankStart, hBlankEnd, vBlankStart, vBlankEnd;
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	struct riva_regs newmode;
 	
 	NVTRACE_ENTER();
@@ -925,7 +925,7 @@
 
 static void riva_setup_accel(struct fb_info *info)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 
 	RIVA_FIFO_FREE(par->riva, Clip, 2);
 	NV_WR32(&par->riva.Clip->TopLeft, 0, 0x0);
@@ -979,7 +979,7 @@
 #ifdef CONFIG_PMAC_BACKLIGHT
 static int riva_set_backlight_enable(int on, int level, void *data)
 {
-	struct riva_par *par = (struct riva_par *)data;
+	struct riva_par *par = data;
 	U032 tmp_pcrt, tmp_pmc;
 
 	tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF;
@@ -1008,7 +1008,7 @@
 
 static int rivafb_open(struct fb_info *info, int user)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	int cnt = atomic_read(&par->ref_count);
 
 	NVTRACE_ENTER();
@@ -1034,7 +1034,7 @@
 
 static int rivafb_release(struct fb_info *info, int user)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	int cnt = atomic_read(&par->ref_count);
 
 	NVTRACE_ENTER();
@@ -1057,7 +1057,7 @@
 static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 {
 	struct fb_videomode *mode;
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	int nom, den;		/* translating from pixels->bytes */
 	int mode_valid = 0;
 	
@@ -1166,7 +1166,7 @@
 
 static int rivafb_set_par(struct fb_info *info)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 
 	NVTRACE_ENTER();
 	/* vgaHWunlock() + riva unlock (0x7F) */
@@ -1205,7 +1205,7 @@
 static int rivafb_pan_display(struct fb_var_screeninfo *var,
 			      struct fb_info *info)
 {
-	struct riva_par *par = (struct riva_par *)info->par;
+	struct riva_par *par = info->par;
 	unsigned int base;
 
 	NVTRACE_ENTER();
@@ -1241,7 +1241,7 @@
 
 static int rivafb_blank(int blank, struct fb_info *info)
 {
-	struct riva_par *par= (struct riva_par *)info->par;
+	struct riva_par *par= info->par;
 	unsigned char tmp, vesa;
 
 	tmp = SEQin(par, 0x01) & ~0x20;	/* screen on/off */
@@ -1304,7 +1304,7 @@
 			  unsigned blue, unsigned transp,
 			  struct fb_info *info)
 {
-	struct riva_par *par = (struct riva_par *)info->par;
+	struct riva_par *par = info->par;
 	RIVA_HW_INST *chip = &par->riva;
 	int i;
 
@@ -1393,7 +1393,7 @@
  */
 static void rivafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	u_int color, rop = 0;
 
 	if ((info->flags & FBINFO_HWACCEL_DISABLED)) {
@@ -1449,7 +1449,7 @@
  */
 static void rivafb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 
 	if ((info->flags & FBINFO_HWACCEL_DISABLED)) {
 		cfb_copyarea(info, region);
@@ -1495,7 +1495,7 @@
 static void rivafb_imageblit(struct fb_info *info, 
 			     const struct fb_image *image)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	u32 fgx = 0, bgx = 0, width, tmp;
 	u8 *cdat = (u8 *) image->data;
 	volatile u32 __iomem *d;
@@ -1580,7 +1580,7 @@
  */
 static int rivafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	u8 data[MAX_CURS * MAX_CURS/8];
 	int i, set = cursor->set;
 	u16 fg, bg;
@@ -1664,7 +1664,7 @@
 
 static int rivafb_sync(struct fb_info *info)
 {
-	struct riva_par *par = (struct riva_par *)info->par;
+	struct riva_par *par = info->par;
 
 	wait_for_idle(par);
 	return 0;
@@ -1696,7 +1696,7 @@
 static int __devinit riva_set_fbinfo(struct fb_info *info)
 {
 	unsigned int cmap_len;
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 
 	NVTRACE_ENTER();
 	info->flags = FBINFO_DEFAULT
@@ -1733,7 +1733,7 @@
 #ifdef CONFIG_PPC_OF
 static int __devinit riva_get_EDID_OF(struct fb_info *info, struct pci_dev *pd)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	struct device_node *dp;
 	unsigned char *pedid = NULL;
 	unsigned char *disptype = NULL;
@@ -1767,7 +1767,7 @@
 #if defined(CONFIG_FB_RIVA_I2C) && !defined(CONFIG_PPC_OF)
 static int __devinit riva_get_EDID_i2c(struct fb_info *info)
 {
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	struct fb_var_screeninfo var;
 	int i;
 
@@ -1837,7 +1837,7 @@
 static void __devinit riva_get_edidinfo(struct fb_info *info)
 {
 	struct fb_var_screeninfo *var = &rivafb_default_var;
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 
 	fb_edid_to_monspecs(par->EDID, &info->monspecs);
 	fb_videomode_to_modelist(info->monspecs.modedb, info->monspecs.modedb_len,
@@ -1909,7 +1909,7 @@
 		ret = -ENOMEM;
 		goto err_ret;
 	}
-	default_par = (struct riva_par *) info->par;
+	default_par = info->par;
 	default_par->pdev = pd;
 
 	info->pixmap.addr = kmalloc(8 * 1024, GFP_KERNEL);
@@ -2070,7 +2070,7 @@
 
 err_iounmap_screen_base:
 #ifdef CONFIG_FB_RIVA_I2C
-	riva_delete_i2c_busses((struct riva_par *) info->par);
+	riva_delete_i2c_busses(info->par);
 #endif
 	iounmap(info->screen_base);
 err_iounmap_pramin:
@@ -2093,7 +2093,7 @@
 static void __exit rivafb_remove(struct pci_dev *pd)
 {
 	struct fb_info *info = pci_get_drvdata(pd);
-	struct riva_par *par = (struct riva_par *) info->par;
+	struct riva_par *par = info->par;
 	
 	NVTRACE_ENTER();
 	if (!info)
diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c
index 77151d8..8b1967f 100644
--- a/drivers/video/riva/rivafb-i2c.c
+++ b/drivers/video/riva/rivafb-i2c.c
@@ -30,7 +30,7 @@
 
 static void riva_gpio_setscl(void* data, int state)
 {
-	struct riva_i2c_chan 	*chan = (struct riva_i2c_chan *)data;
+	struct riva_i2c_chan 	*chan = data;
 	struct riva_par 	*par = chan->par;
 	u32			val;
 
@@ -48,7 +48,7 @@
 
 static void riva_gpio_setsda(void* data, int state)
 {
-	struct riva_i2c_chan 	*chan = (struct riva_i2c_chan *)data;
+	struct riva_i2c_chan 	*chan = data;
 	struct riva_par 	*par = chan->par;
 	u32			val;
 
@@ -66,7 +66,7 @@
 
 static int riva_gpio_getscl(void* data)
 {
-	struct riva_i2c_chan 	*chan = (struct riva_i2c_chan *)data;
+	struct riva_i2c_chan 	*chan = data;
 	struct riva_par 	*par = chan->par;
 	u32			val = 0;
 
@@ -81,7 +81,7 @@
 
 static int riva_gpio_getsda(void* data)
 {
-	struct riva_i2c_chan 	*chan = (struct riva_i2c_chan *)data;
+	struct riva_i2c_chan 	*chan = data;
 	struct riva_par 	*par = chan->par;
 	u32			val = 0;