diff mbox series

[07/10] video: fbdev: use resource_size

Message ID 1577900990-8588-8-git-send-email-Julia.Lawall@inria.fr (mailing list archive)
State New, archived
Headers show
Series use resource_size | expand

Commit Message

Julia Lawall Jan. 1, 2020, 5:49 p.m. UTC
Use resource_size rather than a verbose computation on
the end and start fields.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

<smpl>
@@ struct resource ptr; @@
- (ptr.end - ptr.start + 1)
+ resource_size(&ptr)
</smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

---
 drivers/video/fbdev/cg14.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Bartlomiej Zolnierkiewicz Jan. 15, 2020, 4:10 p.m. UTC | #1
On 1/1/20 6:49 PM, Julia Lawall wrote:
> Use resource_size rather than a verbose computation on
> the end and start fields.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> <smpl>
> @@ struct resource ptr; @@
> - (ptr.end - ptr.start + 1)
> + resource_size(&ptr)
> </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

Patch queued for v5.6 (with patch summary modified slightly to
reflect that this a change for cg14fb fbdev driver), thanks.
 
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---
>  drivers/video/fbdev/cg14.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/video/fbdev/cg14.c b/drivers/video/fbdev/cg14.c
> index a620b51cf7d0..6a745eb46ca1 100644
> --- a/drivers/video/fbdev/cg14.c
> +++ b/drivers/video/fbdev/cg14.c
> @@ -509,8 +509,7 @@ static int cg14_probe(struct platform_device *op)
>  	if (!par->regs || !par->clut || !par->cursor || !info->screen_base)
>  		goto out_unmap_regs;
>  
> -	is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
> -		  (8 * 1024 * 1024));
> +	is_8mb = (resource_size(&op->resource[1]) == (8 * 1024 * 1024));
>  
>  	BUILD_BUG_ON(sizeof(par->mmap_map) != sizeof(__cg14_mmap_map));
>  		
> 
>
diff mbox series

Patch

diff --git a/drivers/video/fbdev/cg14.c b/drivers/video/fbdev/cg14.c
index a620b51cf7d0..6a745eb46ca1 100644
--- a/drivers/video/fbdev/cg14.c
+++ b/drivers/video/fbdev/cg14.c
@@ -509,8 +509,7 @@  static int cg14_probe(struct platform_device *op)
 	if (!par->regs || !par->clut || !par->cursor || !info->screen_base)
 		goto out_unmap_regs;
 
-	is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
-		  (8 * 1024 * 1024));
+	is_8mb = (resource_size(&op->resource[1]) == (8 * 1024 * 1024));
 
 	BUILD_BUG_ON(sizeof(par->mmap_map) != sizeof(__cg14_mmap_map));