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SubjectRe: [PATCH 37/37] drm/bridge/imx/Kconfig: Prevent imx-ldb-helper from appearing in 2 separate modules
On Fri, 17 Mar 2023, Liu Ying wrote:

> Hi Lee,
>
> On Fri, 2023-03-17 at 08:17 +0000, Lee Jones wrote:
> > Fixes the following W=1 kernel build warning(s):
> >
> > scripts/Makefile.build:252: drivers/gpu/drm/bridge/imx/Makefile: imx-ldb-helper.o is added to multiple modules: imx8qm-ldb imx8qxp-ldb
> >
> > Cc: Liu Ying <victor.liu@nxp.com>
> > Cc: Andrzej Hajda <andrzej.hajda@intel.com>
> > Cc: Neil Armstrong <neil.armstrong@linaro.org>
> > Cc: Robert Foss <rfoss@kernel.org>
> > Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
> > Cc: Jonas Karlman <jonas@kwiboo.se>
> > Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
> > Cc: David Airlie <airlied@gmail.com>
> > Cc: Daniel Vetter <daniel@ffwll.ch>
> > Cc: Shawn Guo <shawnguo@kernel.org>
> > Cc: Sascha Hauer <s.hauer@pengutronix.de>
> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
> > Cc: Fabio Estevam <festevam@gmail.com>
> > Cc: NXP Linux Team <linux-imx@nxp.com>
> > Cc: dri-devel@lists.freedesktop.org
> > Cc: linux-arm-kernel@lists.infradead.org
> > Signed-off-by: Lee Jones <lee@kernel.org>
>
> Thank you for the patch.
>
> > ---
> > drivers/gpu/drm/bridge/imx/Kconfig | 7 +++++++
> > drivers/gpu/drm/bridge/imx/Makefile | 7 +++++--
> > drivers/gpu/drm/bridge/imx/imx-ldb-helper.c | 13 +++++++++++++
> > 3 files changed, 25 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/imx/Kconfig b/drivers/gpu/drm/bridge/imx/Kconfig
> > index 608f47f41bcd1..97018dcd078d0 100644
> > --- a/drivers/gpu/drm/bridge/imx/Kconfig
> > +++ b/drivers/gpu/drm/bridge/imx/Kconfig
> > @@ -1,10 +1,16 @@
> > if ARCH_MXC || COMPILE_TEST
> >
> > +config DRM_IMX8_LIB
>
> I would limit this to i.MX LVDS Display Bridge(LDB) library, so I
> suggest to use DRM_IMX_LDB_LIB.
>
> > + tristate
> > + help
> > + Common helper functions used by some of the drivers below.
>
> Considering to use DRM_IMX_LDB_LIB, help message can be a bit more
> specific to LDB drivers, like:
>
> Common helper functions used by i.MX LVDS display bridge drivers below.

Thanks for the help. Leave it with me.

--
Lee Jones [李琼斯]

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