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s3c2410fb: remove fb_info pointer from s3c2410fb_info 

This patch removes redundant fb field from
the s3c2410fb_info structure. This breaks circular
reference fb_info -> s3c2410fb_info -> fb_info again.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Krzysztof Helt 2007-10-16 01:28:55 -07:00 committed by Linus Torvalds
parent b0831941d5
commit 110c1fa754
2 changed files with 22 additions and 22 deletions
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43
drivers/video/s3c2410fb.c
View File

@ -119,15 +119,14 @@ static int debug = 0;
*
* initialise lcd controller address pointers
*/
static void s3c2410fb_set_lcdaddr(struct s3c2410fb_info *fbi)
static void s3c2410fb_set_lcdaddr(struct fb_info *info)
{
struct fb_var_screeninfo *var = &fbi->fb->var;
unsigned long saddr1, saddr2, saddr3;
int line_length = var->xres * var->bits_per_pixel;
int line_length = info->var.xres * info->var.bits_per_pixel;
saddr1 = fbi->fb->fix.smem_start >> 1;
saddr2 = fbi->fb->fix.smem_start;
saddr2 += (line_length * var->yres) / 8;
saddr1 = info->fix.smem_start >> 1;
saddr2 = info->fix.smem_start;
saddr2 += (line_length * info->var.yres) / 8;
saddr2 >>= 1;
saddr3 = S3C2410_OFFSIZE(0) |
@ -275,9 +274,10 @@ static int s3c2410fb_check_var(struct fb_var_screeninfo *var,
* activate (set) the controller from the given framebuffer
* information
*/
static void s3c2410fb_activate_var(struct s3c2410fb_info *fbi,
static void s3c2410fb_activate_var(struct fb_info *info,
struct fb_var_screeninfo *var)
{
struct s3c2410fb_info *fbi = info->par;
int hs;
fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_MODEMASK;
@ -418,7 +418,7 @@ static void s3c2410fb_activate_var(struct s3c2410fb_info *fbi,
writel(fbi->regs.lcdcon5, S3C2410_LCDCON5);
/* set lcd address pointers */
s3c2410fb_set_lcdaddr(fbi);
s3c2410fb_set_lcdaddr(info);
writel(fbi->regs.lcdcon1, S3C2410_LCDCON1);
}
@ -430,7 +430,6 @@ static void s3c2410fb_activate_var(struct s3c2410fb_info *fbi,
*/
static int s3c2410fb_set_par(struct fb_info *info)
{
struct s3c2410fb_info *fbi = info->par;
struct fb_var_screeninfo *var = &info->var;
switch (var->bits_per_pixel) {
@ -449,7 +448,7 @@ static int s3c2410fb_set_par(struct fb_info *info)
/* activate this new configuration */
s3c2410fb_activate_var(fbi, var);
s3c2410fb_activate_var(info, var);
return 0;
}
@ -615,15 +614,17 @@ static struct fb_ops s3c2410fb_ops = {
* cache. Once this area is remapped, all virtual memory
* access to the video memory should occur at the new region.
*/
static int __init s3c2410fb_map_video_memory(struct s3c2410fb_info *fbi)
static int __init s3c2410fb_map_video_memory(struct fb_info *info)
{
struct s3c2410fb_info *fbi = info->par;
dprintk("map_video_memory(fbi=%p)\n", fbi);
fbi->map_size = PAGE_ALIGN(fbi->fb->fix.smem_len + PAGE_SIZE);
fbi->map_size = PAGE_ALIGN(info->fix.smem_len + PAGE_SIZE);
fbi->map_cpu = dma_alloc_writecombine(fbi->dev, fbi->map_size,
&fbi->map_dma, GFP_KERNEL);
fbi->map_size = fbi->fb->fix.smem_len;
fbi->map_size = info->fix.smem_len;
if (fbi->map_cpu) {
/* prevent initial garbage on screen */
@ -632,11 +633,11 @@ static int __init s3c2410fb_map_video_memory(struct s3c2410fb_info *fbi)
memset(fbi->map_cpu, 0xf0, fbi->map_size);
fbi->screen_dma = fbi->map_dma;
fbi->fb->screen_base = fbi->map_cpu;
fbi->fb->fix.smem_start = fbi->screen_dma;
info->screen_base = fbi->map_cpu;
info->fix.smem_start = fbi->screen_dma;
dprintk("map_video_memory: dma=%08x cpu=%p size=%08x\n",
fbi->map_dma, fbi->map_cpu, fbi->fb->fix.smem_len);
fbi->map_dma, fbi->map_cpu, info->fix.smem_len);
}
return fbi->map_cpu ? 0 : -ENOMEM;
@ -660,8 +661,9 @@ static inline void modify_gpio(void __iomem *reg,
/*
* s3c2410fb_init_registers - Initialise all LCD-related registers
*/
static int s3c2410fb_init_registers(struct s3c2410fb_info *fbi)
static int s3c2410fb_init_registers(struct fb_info *info)
{
struct s3c2410fb_info *fbi = info->par;
unsigned long flags;
void __iomem *regs = fbi->io;
@ -684,7 +686,7 @@ static int s3c2410fb_init_registers(struct s3c2410fb_info *fbi)
writel(fbi->regs.lcdcon4, regs + S3C2410_LCDCON4);
writel(fbi->regs.lcdcon5, regs + S3C2410_LCDCON5);
s3c2410fb_set_lcdaddr(fbi);
s3c2410fb_set_lcdaddr(info);
dprintk("LPCSEL = 0x%08lx\n", mach_info->lpcsel);
writel(mach_info->lpcsel, regs + S3C2410_LPCSEL);
@ -777,7 +779,6 @@ static int __init s3c2410fb_probe(struct platform_device *pdev)
return -ENOMEM;
info = fbinfo->par;
info->fb = fbinfo;
info->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -890,7 +891,7 @@ static int __init s3c2410fb_probe(struct platform_device *pdev)
msleep(1);
/* Initialize video memory */
ret = s3c2410fb_map_video_memory(info);
ret = s3c2410fb_map_video_memory(fbinfo);
if (ret) {
printk(KERN_ERR "Failed to allocate video RAM: %d\n", ret);
ret = -ENOMEM;
@ -899,7 +900,7 @@ static int __init s3c2410fb_probe(struct platform_device *pdev)
dprintk("got video memory\n");
s3c2410fb_init_registers(info);
s3c2410fb_init_registers(fbinfo);
s3c2410fb_check_var(&fbinfo->var, fbinfo);

1
drivers/video/s3c2410fb.h
View File

@ -26,7 +26,6 @@
#define __S3C2410FB_H
struct s3c2410fb_info {
struct fb_info *fb;
struct device *dev;
struct clk *clk;