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fbdev: sm501fb: use memset_io

Message ID 1423571852-14511-1-git-send-email-sudipm.mukherjee@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sudip Mukherjee Feb. 10, 2015, 12:37 p.m. UTC
we should really be using memset_io() instead of using memset() as
this is actually io space mapped into our memory.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
it has only been build tested. I only have the hardware of sm712 and sm750.

 drivers/video/fbdev/sm501fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Tomi Valkeinen Feb. 20, 2015, 12:10 p.m. UTC | #1
On 10/02/15 14:37, Sudip Mukherjee wrote:
> we should really be using memset_io() instead of using memset() as
> this is actually io space mapped into our memory.
> 
> Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
> ---
> it has only been build tested. I only have the hardware of sm712 and sm750.
> 
>  drivers/video/fbdev/sm501fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c
> index e8d4121..d0a4e2f 100644
> --- a/drivers/video/fbdev/sm501fb.c
> +++ b/drivers/video/fbdev/sm501fb.c
> @@ -1606,7 +1606,7 @@ static int sm501fb_start(struct sm501fb_info *info,
>  	info->fbmem_len = resource_size(res);
>  
>  	/* clear framebuffer memory - avoids garbage data on unused fb */
> -	memset(info->fbmem, 0, info->fbmem_len);
> +	memset_io(info->fbmem, 0, info->fbmem_len);
>  
>  	/* clear palette ram - undefined at power on */
>  	for (k = 0; k < (256 * 3); k++)
> 

Thanks, queued for 3.21.

 Tomi
diff mbox

Patch

diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c
index e8d4121..d0a4e2f 100644
--- a/drivers/video/fbdev/sm501fb.c
+++ b/drivers/video/fbdev/sm501fb.c
@@ -1606,7 +1606,7 @@  static int sm501fb_start(struct sm501fb_info *info,
 	info->fbmem_len = resource_size(res);
 
 	/* clear framebuffer memory - avoids garbage data on unused fb */
-	memset(info->fbmem, 0, info->fbmem_len);
+	memset_io(info->fbmem, 0, info->fbmem_len);
 
 	/* clear palette ram - undefined at power on */
 	for (k = 0; k < (256 * 3); k++)