[PATCH 4/6] video: fbdev: cyber2000fb.c: use container_of to resolve cfb_info from fb_info

From: Fabian Frederick
Date: Wed Sep 17 2014 - 15:02:28 EST


Use container_of instead of casting first structure member.

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
Compiled but untested.

drivers/video/fbdev/cyber2000fb.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/video/fbdev/cyber2000fb.c b/drivers/video/fbdev/cyber2000fb.c
index b0a950f..99acf53 100644
--- a/drivers/video/fbdev/cyber2000fb.c
+++ b/drivers/video/fbdev/cyber2000fb.c
@@ -159,7 +159,7 @@ cyber2000_seqw(unsigned int reg, unsigned int val, struct cfb_info *cfb)
static void
cyber2000fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
unsigned long dst, col;

if (!(cfb->fb.var.accel_flags & FB_ACCELF_TEXT)) {
@@ -191,7 +191,7 @@ cyber2000fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
static void
cyber2000fb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
unsigned int cmd = CO_CMD_L_PATTERN_FGCOL;
unsigned long src, dst;

@@ -241,7 +241,7 @@ cyber2000fb_imageblit(struct fb_info *info, const struct fb_image *image)

static int cyber2000fb_sync(struct fb_info *info)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
int count = 100000;

if (!(cfb->fb.var.accel_flags & FB_ACCELF_TEXT))
@@ -276,7 +276,7 @@ static int
cyber2000fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
struct fb_var_screeninfo *var = &cfb->fb.var;
u32 pseudo_val;
int ret = 1;
@@ -758,7 +758,7 @@ cyber2000fb_decode_clock(struct par_info *hw, struct cfb_info *cfb,
static int
cyber2000fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
struct par_info hw;
unsigned int mem;
int err;
@@ -861,7 +861,7 @@ cyber2000fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)

static int cyber2000fb_set_par(struct fb_info *info)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
struct fb_var_screeninfo *var = &cfb->fb.var;
struct par_info hw;
unsigned int mem;
@@ -971,7 +971,7 @@ static int cyber2000fb_set_par(struct fb_info *info)
static int
cyber2000fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);

if (cyber2000fb_update_start(cfb, var))
return -EINVAL;
@@ -1007,7 +1007,7 @@ cyber2000fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
*/
static int cyber2000fb_blank(int blank, struct fb_info *info)
{
- struct cfb_info *cfb = (struct cfb_info *)info;
+ struct cfb_info *cfb = container_of(info, struct cfb_info, fb);
unsigned int sync = 0;
int i;

--
2.1.0

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