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SubjectRe: linux-next: build failure after merge of the amdgpu tree
Hello Stephen,

On Mon, Mar 07, 2022 at 11:13:42AM +1100, Stephen Rothwell wrote:
> After merging the amdgpu tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/gpu/drm/tiny/panel-mipi-dbi.c:391:19: error: initialization of 'void (*)(struct spi_device *)' from incompatible pointer type 'int (*)(struct spi_device *)' [-Werror=incompatible-pointer-types]
> 391 | .remove = panel_mipi_dbi_spi_remove,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~
>
> Caused by commit
>
> 0e65e2e6abb0 ("drm/tiny: Add MIPI DBI compatible SPI driver")
>
> interacting with commit
>
> a0386bba7093 ("spi: make remove callback a void function")
>
> from the spi trees.
>
> I have applied the following merge fix.
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Mon, 7 Mar 2022 11:01:01 +1100
> Subject: [PATCH] fix up for "spi: make remove callback a void function"
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
> drivers/gpu/drm/tiny/panel-mipi-dbi.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/tiny/panel-mipi-dbi.c b/drivers/gpu/drm/tiny/panel-mipi-dbi.c
> index 7f8c6c51387f..c759ff9c2c87 100644
> --- a/drivers/gpu/drm/tiny/panel-mipi-dbi.c
> +++ b/drivers/gpu/drm/tiny/panel-mipi-dbi.c
> @@ -336,14 +336,12 @@ static int panel_mipi_dbi_spi_probe(struct spi_device *spi)
> return 0;
> }
>
> -static int panel_mipi_dbi_spi_remove(struct spi_device *spi)
> +static void panel_mipi_dbi_spi_remove(struct spi_device *spi)
> {
> struct drm_device *drm = spi_get_drvdata(spi);
>
> drm_dev_unplug(drm);
> drm_atomic_helper_shutdown(drm);
> -
> - return 0;
> }
>
> static void panel_mipi_dbi_spi_shutdown(struct spi_device *spi)

Looks right, thanks
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |
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