kbuild test robot reports:
>> ERROR: "i2c_mux_add_adapter" [drivers/gpu/drm/bridge/sii902x.ko]
undefined!
>> ERROR: "i2c_mux_alloc" [drivers/gpu/drm/bridge/sii902x.ko]
undefined!
>> ERROR: "i2c_mux_del_adapters" [drivers/gpu/drm/bridge/sii902x.ko]
undefined!
Quite obviously the driver depends on I2C_MUX, but adding a "depends on"
introduces a recursive dependency, therefore this patch selects I2C_MUX
instead.
Fixes: 21d808405fe4 ("drm/bridge/sii902x: Fix EDID readback")
Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Link: https://lists.01.org/pipermail/kbuild-all/2018-November/054924.html
---
v1->v2:
* Added "Fixes" tag
drivers/gpu/drm/bridge/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 9eeb8ef..2fee47b 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -95,6 +95,7 @@ config DRM_SII902X
depends on OF
select DRM_KMS_HELPER
select REGMAP_I2C
+ select I2C_MUX
---help---
Silicon Image sii902x bridge chip driver.
--
2.7.4
