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| author | Vivek Kutal <vivek.kutal@azingo.com> | 2009-06-16 15:34:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 19:48:01 -0700 |
| commit | 3608c66c2e6522952b4be219317b194ab27f4e78 (patch) | |
| tree | 286a8542aa0c7be32b672aeeff5ea11198a2c640 | |
| parent | 9990bfd0e5d4aae9c33693aef8b0a36577c63677 (diff) | |
| download | linux-3608c66c2e6522952b4be219317b194ab27f4e78.tar.gz linux-3608c66c2e6522952b4be219317b194ab27f4e78.tar.bz2 linux-3608c66c2e6522952b4be219317b194ab27f4e78.zip | |
fbdev: *bfin*: drop unnecessary calls to memset
The dma_alloc_* functions sets the memory to 0 before returning so there
is no need to call memset after the allocation. Also no point in clearing
the memory when disabling the buffer.
Signed-off-by: Vivek Kutal <vivek.kutal@azingo.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.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>
| -rw-r--r-- | drivers/video/bf54x-lq043fb.c | 3 | ||||
| -rw-r--r-- | drivers/video/bfin-t350mcqb-fb.c | 3 |
2 files changed, 0 insertions, 6 deletions
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 37e60b1d2ed9..6439a437ddf9 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -323,7 +323,6 @@ static int bfin_bf54x_fb_release(struct fb_info *info, int user) bfin_write_EPPI0_CONTROL(0); SSYNC(); disable_dma(CH_EPPI0); - memset(fbi->fb_buffer, 0, info->fix.smem_len); } spin_unlock(&fbi->lock); @@ -626,8 +625,6 @@ static int __init bfin_bf54x_probe(struct platform_device *pdev) goto out3; } - memset(info->fb_buffer, 0, fbinfo->fix.smem_len); - fbinfo->screen_base = (void *)info->fb_buffer; fbinfo->fix.smem_start = (int)info->fb_buffer; diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c index 2a2e116b7fb1..f40eef8d1dda 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -242,7 +242,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user) SSYNC(); disable_dma(CH_PPI); bfin_t350mcqb_stop_timers(); - memset(fbi->fb_buffer, 0, info->fix.smem_len); } spin_unlock(&fbi->lock); @@ -527,8 +526,6 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) goto out3; } - memset(info->fb_buffer, 0, fbinfo->fix.smem_len); - fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET; fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET; |