Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3f9b0880e4a96b02bc0131451f2f6231cd90bd94
Commit: 3f9b0880e4a96b02bc0131451f2f6231cd90bd94
Parent: 87b4884935d387acc4c4418da6a75387bfcc24b9
Author: Antonino A. Daplas <[EMAIL PROTECTED]>
AuthorDate: Tue May 8 00:39:02 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue May 8 11:15:30 2007 -0700
fbdev: pass struct fb_info to fb_read and fb_write
It is unnecessary to pass struct file to fb_read() and fb_write() in struct
fb_ops. For consistency with the other methods, pass struct fb_info instead.
Signed-off-by: Antonino Daplas <[EMAIL PROTECTED]>
Acked-by: Paul Mundt <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/video/arcfb.c | 14 ++------------
drivers/video/epson1355fb.c | 18 ++----------------
drivers/video/fbmem.c | 4 ++--
drivers/video/hecubafb.c | 12 +-----------
drivers/video/pvr2fb.c | 4 ++--
include/linux/fb.h | 6 ++++--
6 files changed, 13 insertions(+), 45 deletions(-)
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 740b83b..c668e56 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -440,14 +440,11 @@ static int arcfb_ioctl(struct fb_info *info,
* the fb. it's inefficient for them to do anything less than 64*8
* writes since we update the lcd in each write() anyway.
*/
-static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t
count,
- loff_t *ppos)
+static ssize_t arcfb_write(struct fb_info *info, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* modded from epson 1355 */
- struct inode *inode;
- int fbidx;
- struct fb_info *info;
unsigned long p;
int err=-EINVAL;
unsigned int fbmemlength,x,y,w,h, bitppos, startpos, endpos, bitcount;
@@ -455,13 +452,6 @@ static ssize_t arcfb_write(struct file *file, const char
__user *buf, size_t cou
unsigned int xres;
p = *ppos;
- inode = file->f_path.dentry->d_inode;
- fbidx = iminor(inode);
- info = registered_fb[fbidx];
-
- if (!info || !info->screen_base)
- return -ENODEV;
-
par = info->par;
xres = info->var.xres;
fbmemlength = (xres * info->var.yres)/8;
diff --git a/drivers/video/epson1355fb.c b/drivers/video/epson1355fb.c
index 37e297d..ca2c54c 100644
--- a/drivers/video/epson1355fb.c
+++ b/drivers/video/epson1355fb.c
@@ -403,17 +403,10 @@ static inline unsigned long copy_to_user16(void *to,
const void *from,
static ssize_t
-epson1355fb_read(struct file *file, char *buf, size_t count, loff_t * ppos)
+epson1355fb_read(struct fb_info *info, char *buf, size_t count, loff_t * ppos)
{
- struct inode *inode = file->f_path.dentry->d_inode;
- int fbidx = iminor(inode);
- struct fb_info *info = registered_fb[fbidx];
unsigned long p = *ppos;
- /* from fbmem.c except for our own copy_*_user */
- if (!info || !info->screen_base)
- return -ENODEV;
-
if (p >= info->fix.smem_len)
return 0;
if (count >= info->fix.smem_len)
@@ -434,20 +427,13 @@ epson1355fb_read(struct file *file, char *buf, size_t
count, loff_t * ppos)
}
static ssize_t
-epson1355fb_write(struct file *file, const char *buf,
+epson1355fb_write(struct fb_info *info, const char *buf,
size_t count, loff_t * ppos)
{
- struct inode *inode = file->f_path.dentry->d_inode;
- int fbidx = iminor(inode);
- struct fb_info *info = registered_fb[fbidx];
unsigned long p = *ppos;
int err;
/* from fbmem.c except for our own copy_*_user */
- if (!info || !info->screen_base)
- return -ENODEV;
-
- /* from fbmem.c except for our own copy_*_user */
if (p > info->fix.smem_len)
return -ENOSPC;
if (count >= info->fix.smem_len)
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 08c292d..7b72841 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -588,7 +588,7 @@ fb_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
return -EPERM;
if (info->fbops->fb_read)
- return info->fbops->fb_read(file, buf, count, ppos);
+ return info->fbops->fb_read(info, buf, count, ppos);
total_size = info->screen_size;
@@ -663,7 +663,7 @@ fb_write(struct file *file, const char __user *buf, size_t
count, loff_t *ppos)
return -EPERM;
if (info->fbops->fb_write)
- return info->fbops->fb_write(file, buf, count, ppos);
+ return info->fbops->fb_write(info, buf, count, ppos);
total_size = info->screen_size;
diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
index 0ade725..3ec0e97 100644
--- a/drivers/video/hecubafb.c
+++ b/drivers/video/hecubafb.c
@@ -267,12 +267,9 @@ static void hecubafb_imageblit(struct fb_info *info,
* this is the slow path from userspace. they can seek and write to
* the fb. it's inefficient to do anything less than a full screen draw
*/
-static ssize_t hecubafb_write(struct file *file, const char __user *buf,
+static ssize_t hecubafb_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos)
{
- struct inode *inode;
- int fbidx;
- struct fb_info *info;
unsigned long p;
int err=-EINVAL;
struct hecubafb_par *par;
@@ -280,13 +277,6 @@ static ssize_t hecubafb_write(struct file *file, const
char __user *buf,
unsigned int fbmemlength;
p = *ppos;
- inode = file->f_dentry->d_inode;
- fbidx = iminor(inode);
- info = registered_fb[fbidx];
-
- if (!info || !info->screen_base)
- return -ENODEV;
-
par = info->par;
xres = info->var.xres;
fbmemlength = (xres * info->var.yres)/8;
diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c
index a93618b..df2909a 100644
--- a/drivers/video/pvr2fb.c
+++ b/drivers/video/pvr2fb.c
@@ -214,7 +214,7 @@ static int pvr2_init_cable(void);
static int pvr2_get_param(const struct pvr2_params *p, const char *s,
int val, int size);
#ifdef CONFIG_SH_DMA
-static ssize_t pvr2fb_write(struct file *file, const char *buf,
+static ssize_t pvr2fb_write(struct fb_info *info, const char *buf,
size_t count, loff_t *ppos);
#endif
@@ -674,7 +674,7 @@ static int pvr2_init_cable(void)
}
#ifdef CONFIG_SH_DMA
-static ssize_t pvr2fb_write(struct file *file, const char *buf,
+static ssize_t pvr2fb_write(struct fb_info *info, const char *buf,
size_t count, loff_t *ppos)
{
unsigned long dst, start, end, len;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index c4e1b3d..acb6ddb 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -591,8 +591,10 @@ struct fb_ops {
/* For framebuffers with strange non linear layouts or that do not
* work with normal memory mapped access
*/
- ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count,
loff_t *ppos);
- ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t
count, loff_t *ppos);
+ ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
+ size_t count, loff_t *ppos);
+ ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
+ size_t count, loff_t *ppos);
/* checks var and eventually tweaks it to something supported,
* DO NOT MODIFY PAR */
-
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