redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

video: console, use DIV_ROUND_UP

Browse source 
Use DIV_ROUND_UP explicitly instead of manual shifts and adds.  It makes
the code more readable and consistent (sometimes there were shifts,
sometimes divs).

There is no change on the assembly level (compilers should do the right
job).

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2009-09-22 16:47:41 -07:00 committed by Linus Torvalds
parent 99e9e7d62b
commit 9a4a83d2ed
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/video/console/bitblit.c
View file

@ -25,7 +25,7 @@ static inline void update_attr(u8 *dst, u8 *src, int attribute,
struct vc_data *vc)
{
int i, offset = (vc->vc_font.height < 10) ? 1 : 2;
int width = (vc->vc_font.width + 7) >> 3;
int width = DIV_ROUND_UP(vc->vc_font.width, 8);
unsigned int cellsize = vc->vc_font.height * width;
u8 c;
@ -144,7 +144,7 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info,
int fg, int bg)
{
struct fb_image image;
u32 width = (vc->vc_font.width + 7)/8;
u32 width = DIV_ROUND_UP(vc->vc_font.width, 8);
u32 cellsize = width * vc->vc_font.height;
u32 maxcnt = info->pixmap.size/cellsize;
u32 scan_align = info->pixmap.scan_align - 1;
@ -173,7 +173,7 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info,
cnt = count;
image.width = vc->vc_font.width * cnt;
pitch = ((image.width + 7) >> 3) + scan_align;
pitch = DIV_ROUND_UP(image.width, 8) + scan_align;
pitch &= ~scan_align;
size = pitch * image.height + buf_align;
size &= ~buf_align;
@ -239,7 +239,7 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
struct fb_cursor cursor;
struct fbcon_ops *ops = info->fbcon_par;
unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
int w = (vc->vc_font.width + 7) >> 3, c;
int w = DIV_ROUND_UP(vc->vc_font.width, 8), c;
int y = real_y(ops->p, vc->vc_y);
int attribute, use_sw = (vc->vc_cursor_type & 0x10);
int err = 1;