video: console, use DIV_ROUND_UP
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>
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index 69864b1..6b7c8fb 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -25,7 +25,7 @@
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 @@
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 @@
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 @@
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;