On Mon, Apr 19, 2021, 19:11 Randy Dunlap <rdun...@infradead.org> wrote:
> On 4/19/21 2:01 AM, Robert Foss wrote:
> > The DRM_SIL_SII8620 kconfig has a weak `imply` dependency
> > on EXTCON, which causes issues when sii8620 is built
> > as a builtin and EXTCON is built as a module.
> >
> > The symptoms are 'undefined reference' errors caused
> > by the symbols in EXTCON not being available
> > to the sii8620 driver.
> >
> > Fixes: 688838442147 ("drm/bridge/sii8620: use micro-USB cable detection
> logic to detect MHL")
> > Signed-off-by: Robert Foss <robert.f...@linaro.org>
> > Reported-by: kernel test robot <l...@intel.com>
> > ---
> >
> > LKP reported issue:
> > https://lore.kernel.org/lkml/202104040604.sste2cxf-...@intel.com/
> >
> >
> > Changes since v1:
> > - Fix typo on comment
> >
> > Changes since v2:
> > - Randy: Changed from `depends` to `select`
>
> I don't know why my name is on that. I didn't
> suggest any change -- I just reported that v2
> had a problem.
>
Credit where credit is due :)
>
> >
> >
> > drivers/gpu/drm/bridge/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/Kconfig
> b/drivers/gpu/drm/bridge/Kconfig
> > index 22a467abd3e9..70402da5cc70 100644
> > --- a/drivers/gpu/drm/bridge/Kconfig
> > +++ b/drivers/gpu/drm/bridge/Kconfig
> > @@ -169,7 +169,7 @@ config DRM_SIL_SII8620
> > tristate "Silicon Image SII8620 HDMI/MHL bridge"
> > depends on OF
> > select DRM_KMS_HELPER
> > - imply EXTCON
> > + select EXTCON
> > depends on RC_CORE || !RC_CORE
> > help
> > Silicon Image SII8620 HDMI/MHL bridge chip driver.
>
>
> Thanks. Works For Me.
>
> Acked-by: Randy Dunlap <rdun...@infradead.org> # build-tested
>
> --
> ~Randy
>
>
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