2020-07-21 07:42:23

by Lee Jones

[permalink] [raw]
Subject: [PATCH 1/1] video: backlight: cr_bllcd: Remove unused variable 'intensity'

Fixes the following kernel build warning:

drivers/video/backlight/cr_bllcd.c: In function ‘cr_backlight_set_intensity’:
drivers/video/backlight/cr_bllcd.c:62:6: warning: unused variable ‘intensity’ [-Wunused-variable]
62 | int intensity = bd->props.brightness;
| ^~~~~~~~~

Cc: Sam Ravnborg <[email protected]>
Cc: Daniel Thompson <[email protected]>
Cc: Jingoo Han <[email protected]>
Cc: Bartlomiej Zolnierkiewicz <[email protected]>
Cc: [email protected]
Cc: [email protected]
Fixes: 24d34617c24f ("backlight: cr_bllcd: Introduce gpio-backlight semantics")
Signed-off-by: Lee Jones <[email protected]>
---
drivers/video/backlight/cr_bllcd.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index a24d42e1ea3cd..4ad0a72531fe2 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -59,7 +59,6 @@ struct cr_panel {

static int cr_backlight_set_intensity(struct backlight_device *bd)
{
- int intensity = bd->props.brightness;
u32 addr = gpio_bar + CRVML_PANEL_PORT;
u32 cur = inl(addr);

--
2.25.1


2020-07-21 08:01:16

by Sam Ravnborg

[permalink] [raw]
Subject: Re: [PATCH 1/1] video: backlight: cr_bllcd: Remove unused variable 'intensity'

Hi Lee.

On Tue, Jul 21, 2020 at 08:39:19AM +0100, Lee Jones wrote:
> Fixes the following kernel build warning:
>
> drivers/video/backlight/cr_bllcd.c: In function ‘cr_backlight_set_intensity’:
> drivers/video/backlight/cr_bllcd.c:62:6: warning: unused variable ‘intensity’ [-Wunused-variable]
> 62 | int intensity = bd->props.brightness;
> | ^~~~~~~~~
>
> Cc: Sam Ravnborg <[email protected]>
> Cc: Daniel Thompson <[email protected]>
> Cc: Jingoo Han <[email protected]>
> Cc: Bartlomiej Zolnierkiewicz <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Fixes: 24d34617c24f ("backlight: cr_bllcd: Introduce gpio-backlight semantics")
> Signed-off-by: Lee Jones <[email protected]>

Thanks for fixing this.
The driver only build for X86 so the warnings was lost in other build
noise.
One more thing to improve before next submission - sorry for this.

Reviewed-by: Sam Ravnborg <[email protected]>

> ---
> drivers/video/backlight/cr_bllcd.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
> index a24d42e1ea3cd..4ad0a72531fe2 100644
> --- a/drivers/video/backlight/cr_bllcd.c
> +++ b/drivers/video/backlight/cr_bllcd.c
> @@ -59,7 +59,6 @@ struct cr_panel {
>
> static int cr_backlight_set_intensity(struct backlight_device *bd)
> {
> - int intensity = bd->props.brightness;
> u32 addr = gpio_bar + CRVML_PANEL_PORT;
> u32 cur = inl(addr);
>
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

2020-07-21 13:53:36

by Daniel Thompson

[permalink] [raw]
Subject: Re: [PATCH 1/1] video: backlight: cr_bllcd: Remove unused variable 'intensity'

On Tue, Jul 21, 2020 at 08:39:19AM +0100, Lee Jones wrote:
> Fixes the following kernel build warning:
>
> drivers/video/backlight/cr_bllcd.c: In function ‘cr_backlight_set_intensity’:
> drivers/video/backlight/cr_bllcd.c:62:6: warning: unused variable ‘intensity’ [-Wunused-variable]
> 62 | int intensity = bd->props.brightness;
> | ^~~~~~~~~
>
> Cc: Sam Ravnborg <[email protected]>
> Cc: Daniel Thompson <[email protected]>
> Cc: Jingoo Han <[email protected]>
> Cc: Bartlomiej Zolnierkiewicz <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Fixes: 24d34617c24f ("backlight: cr_bllcd: Introduce gpio-backlight semantics")
> Signed-off-by: Lee Jones <[email protected]>

I doubt you are awaiting this for a one line fixup... but just in case:

Reviewed-by: Daniel Thompson <[email protected]>


Daniel.