Re: [PATCH] drm: bridge: DRM_SIL_SII8620 should depend on, not select INPUT

From: Andrzej Hajda
Date: Mon Jul 01 2019 - 05:23:34 EST


On 01.07.2019 05:39, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> A single driver should not enable (select) an entire subsystem,
> such as INPUT, so change the 'select' to "depends on".
>
> Fixes: d6abe6df706c ("drm/bridge: sil_sii8620: do not have a dependency of RC_CORE")
>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Inki Dae <inki.dae@xxxxxxxxxxx>
> Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> Linus has written this a couple of times in the last 15 years or so,
> but my search fu cannot find it. And there are a few drivers in the
> kernel tree that do this, but we shouldn't be adding more that do so.


The proper solution has been already posted [1], but it has not been
applied yet to input tree?

Randy are there chances your patchset will appear in ML in near future,
or should I merge your sii8620 patch alone?


[1]:
https://lore.kernel.org/lkml/20190419081926.13567-2-ronald@xxxxxxxxxxxxx/


Regards

Andrzej



>
> drivers/gpu/drm/bridge/Kconfig | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> --- lnx-52-rc7.orig/drivers/gpu/drm/bridge/Kconfig
> +++ lnx-52-rc7/drivers/gpu/drm/bridge/Kconfig
> @@ -83,10 +83,9 @@ config DRM_PARADE_PS8622
>
> config DRM_SIL_SII8620
> tristate "Silicon Image SII8620 HDMI/MHL bridge"
> - depends on OF
> + depends on OF && INPUT
> select DRM_KMS_HELPER
> imply EXTCON
> - select INPUT
> select RC_CORE
> help
> Silicon Image SII8620 HDMI/MHL bridge chip driver.
>
>
>
>