From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] Make shr to divide by power of 2 (resend)
Date: Sat, 15 Aug 2009 16:43:12 +0300 [thread overview]
Message-ID: <20090815134312.GA7533@localdomain.by> (raw)
Make an arithmetic right shift to divide by power of 2.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
---
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index 69864b1..b816151 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.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 = (vc->vc_font.width + 7) >> 3;
u32 cellsize = width * vc->vc_font.height;
u32 maxcnt = info->pixmap.size/cellsize;
u32 scan_align = info->pixmap.scan_align - 1;
next reply other threads:[~2009-08-15 13:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-15 13:43 Sergey Senozhatsky [this message]
2009-08-15 13:48 ` Jiri Slaby
2009-08-15 13:49 ` Robert P. J. Day
2009-08-15 14:12 ` Sergey Senozhatsky
2009-08-15 20:42 ` Jiri Slaby
2009-08-16 9:14 ` Sergey Senozhatsky
2009-08-17 7:15 ` Jiri Slaby
2009-08-17 7:31 ` Sergey Senozhatsky
2009-08-17 7:48 ` [PATCH 1/1] VIDEO: console, use DIV_ROUND_UP Jiri Slaby
2009-08-17 8:00 ` Sergey Senozhatsky
2009-08-17 8:00 ` Jiri Slaby
2009-08-17 8:08 ` Sergey Senozhatsky
2009-08-17 8:11 ` Jiri Slaby
2009-08-15 14:26 ` [PATCH] Make shr to divide by power of 2 (resend) Sergey Senozhatsky
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