Re: [PATCH] media: staging: rkisp1: avoid unused variable warning
From: Ezequiel Garcia
Date: Wed Apr 08 2020 - 15:38:45 EST
On Wed, 2020-04-08 at 21:08 +0200, Arnd Bergmann wrote:
> On Wed, Apr 8, 2020 at 7:56 PM Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> wrote:
> > 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/
>
> Ok, sorry for the duplicate. I only tested on mainline from a few days ago,
> so I must have missed it getting merged in the meantime.
>
No worries!
Those were was sent very recently, and won't be
merged any time soon :-)
Ezequiel