linux-kernel - Re: linux-next: build failure after merge of the driver-core tree

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Message-ID: <CAEmqJPpaz8dDGvv2z2VkRPFdw7kr-NCnOmbYc-VaTJUx0KXr6A@mail.gmail.com>
Date: Tue, 9 Jul 2024 08:40:13 +0100
From: Naushir Patuck <naush@...pberrypi.com>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Greg KH <greg@...ah.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, 
	David Plowman <david.plowman@...pberrypi.com>, Hans Verkuil <hverkuil-cisco@...all.nl>, 
	Jacopo Mondi <jacopo.mondi@...asonboard.com>, 
	Nick Hollinghurst <nick.hollinghurst@...pberrypi.org>, 
	Sakari Ailus <sakari.ailus@...ux.intel.com>, 
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, 
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the driver-core tree

HI Stephen,

Thank you for fixing this.

On Tue, 9 Jul 2024 at 07:37, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> After merging the driver-core tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/media/platform/raspberrypi/pisp_be/pisp_be.c:1786:27: error: initialization of 'void (*)(struct platform_device *)' from incompatible pointer type 'int (*)(struct platform_device *)' [-Werror=incompatible-pointer-types]
>  1786 |         .remove         = pispbe_remove,
>       |                           ^~~~~~~~~~~~~
> drivers/media/platform/raspberrypi/pisp_be/pisp_be.c:1786:27: note: (near initialization for 'pispbe_pdrv.<anonymous>.remove')
> cc1: all warnings being treated as errors
>
> Caused by commit
>
>   0edb555a65d1 ("platform: Make platform_driver::remove() return void")
>
> interacting withc commit
>
>   12187bd5d4f8 ("media: raspberrypi: Add support for PiSP BE")
>
> from the vl4-dvb-next tree.
>
> I have applied the following fix up patch.
>
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Tue, 9 Jul 2024 16:03:05 +1000
> Subject: [PATCH] fix up for "platform: Make platform_driver::remove() return void"
>
> interacting with commit
>
>   12187bd5d4f8 ("media: raspberrypi: Add support for PiSP BE")
>
> from the v4l-dvb-next tree.
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>

Acked-by: Naushir Patuck <naush@...pberrypi.com>

> ---
>  drivers/media/platform/raspberrypi/pisp_be/pisp_be.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c b/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
> index e74df5b116dc..7596ae1f7de6 100644
> --- a/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
> +++ b/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
> @@ -1756,7 +1756,7 @@ static int pispbe_probe(struct platform_device *pdev)
>         return ret;
>  }
>
> -static int pispbe_remove(struct platform_device *pdev)
> +static void pispbe_remove(struct platform_device *pdev)
>  {
>         struct pispbe_dev *pispbe = platform_get_drvdata(pdev);
>
> @@ -1765,8 +1765,6 @@ static int pispbe_remove(struct platform_device *pdev)
>         pispbe_runtime_suspend(pispbe->dev);
>         pm_runtime_dont_use_autosuspend(pispbe->dev);
>         pm_runtime_disable(pispbe->dev);
> -
> -       return 0;
>  }
>
>  static const struct dev_pm_ops pispbe_pm_ops = {
> --
> 2.43.0
>
> --
> Cheers,
> Stephen Rothwell