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.foss@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
---
LKP reported issue:
https://lore.kernel.org/lkml/202104040604.SSTe2Cxf-lkp@xxxxxxxxx/
Changes since v1:
- Fix typo on comment
Changes since v2:
- Randy: Changed from `depends` to `select`
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.
--
2.31.0.30.g398dba342d.dirty
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