linux-kernel - Re: [PATCH 1/3] media: meson: include linux/kthread.h

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Date:   Mon, 17 Jun 2019 14:40:51 +0200
From:   Maxime Jourdan <mjourdan@...libre.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...ts.freedesktop.org,
        linux-amlogic@...ts.infradead.org,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        devel@...verdev.osuosl.org, linux-arm-kernel@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] media: meson: include linux/kthread.h

Hello Arnd,
On Mon, Jun 17, 2019 at 1:17 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> Without this header, we get a compilation error in some configurations:
>
> drivers/staging/media/meson/vdec/vdec.c: In function 'vdec_recycle_thread':
> drivers/staging/media/meson/vdec/vdec.c:59:10: error: implicit declaration of function 'kthread_should_stop' [-Werror=implicit-function-declaration]
>
> Fixes: 3e7f51bd9607 ("media: meson: add v4l2 m2m video decoder driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/staging/media/meson/vdec/vdec.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c
> index 0a1a04fd5d13..eb335a0f2bdd 100644
> --- a/drivers/staging/media/meson/vdec/vdec.c
> +++ b/drivers/staging/media/meson/vdec/vdec.c
> @@ -8,6 +8,7 @@
>  #include <linux/clk.h>
>  #include <linux/io.h>
>  #include <linux/module.h>
> +#include <linux/kthread.h>
>  #include <linux/platform_device.h>
>  #include <linux/mfd/syscon.h>
>  #include <linux/slab.h>
> --
> 2.20.0
>

Thanks for the patch, a similar one has already been sent by Yue
Haibing and is sitting in media/master at the moment [0]. My apologies
for this oversight.

Regards,
Maxime

[0] https://git.linuxtv.org/media_tree.git/commit/?id=3510c68d32bf3a188c077b5fb87339379f4e6b43