Re: [PATCH] media: staging: rkisp1: avoid unused variable warning

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On Wed, 2020-04-08 at 17:52 +0200, Arnd Bergmann wrote:
> When compile-testing with CONFIG_OF disabled, we get a warning
> about an unused variable, and about inconsistent Kconfig dependencies:
> 
> WARNING: unmet direct dependencies detected for PHY_ROCKCHIP_DPHY_RX0
>   Depends on [n]: STAGING [=y] && STAGING_MEDIA [=y] && MEDIA_SUPPORT [=m] && (ARCH_ROCKCHIP [=n] || COMPILE_TEST [=y]) && OF [=n]
>   Selected by [m]:
>   - VIDEO_ROCKCHIP_ISP1 [=m] && STAGING [=y] && STAGING_MEDIA [=y] && MEDIA_SUPPORT [=m] && VIDEO_V4L2 [=m] && VIDEO_V4L2_SUBDEV_API [=y] &&
> (ARCH_ROCKCHIP [=n] || COMPILE_TEST [=y])
> 
> drivers/staging/media/rkisp1/rkisp1-dev.c: In function 'rkisp1_probe':
> drivers/staging/media/rkisp1/rkisp1-dev.c:457:22: error: unused variable 'node' [-Werror=unused-variable]
>   457 |  struct device_node *node = pdev->dev.of_node;
> 
> Simply open-coding the pointer dereference in the only place
> the variable is used avoids the warning in all configurations,
> so we can allow compile-testing as well.
> 

Hello Arnd,

Thanks for your patch.

I believe this is already fixed here:

https://patchwork.linuxtv.org/patch/62774/
https://patchwork.linuxtv.org/patch/62775/


Cheers,
Ezequiel




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