openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

rivafb: fix IO access 

Fix IO access, with the following sparse warnings:

drivers/video/riva/fbdev.c:320:25: warning: dereference of noderef expression
drivers/video/riva/fbdev.c:321:29: warning: dereference of noderef expression
drivers/video/riva/fbdev.c:327:18: warning: dereference of noderef expression
drivers/video/riva/fbdev.c:328:15: warning: dereference of noderef expression

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>
This commit is contained in:
Antonino A. Daplas 2007-05-08 00:38:43 -07:00 committed by Linus Torvalds
parent 6cf059e1bb
commit 895bf69b8f
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/riva/fbdev.c
View File

@ -317,15 +317,15 @@ static int riva_bl_update_status(struct backlight_device *bd)
else
level = bd->props.brightness;
tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF;
tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC;
tmp_pmc = NV_RD32(par->riva.PMC, 0x10F0) & 0x0000FFFF;
tmp_pcrt = NV_RD32(par->riva.PCRTC0, 0x081C) & 0xFFFFFFFC;
if(level > 0) {
tmp_pcrt |= 0x1;
tmp_pmc |= (1 << 31); /* backlight bit */
tmp_pmc |= riva_bl_get_level_brightness(par, level) << 16; /* level */
}
par->riva.PCRTC0[0x081C/4] = tmp_pcrt;
par->riva.PMC[0x10F0/4] = tmp_pmc;
NV_WR32(par->riva.PCRTC0, 0x081C, tmp_pcrt);
NV_WR32(par->riva.PMC, 0x10F0, tmp_pmc);
return 0;
}