Hi Tobias,
On 23.04.2018 10:47, Tobias Regnery wrote:
> With CONFIG_EXTCON=m and CONFIG_DRM_SIL_SII8620=y we see the following link
> error:
>
> drivers/gpu/drm/bridge/sil-sii8620.o: In function `sii8620_remove':
> sil-sii8620.c:(.text+0xd5): undefined reference to `extcon_unregister_notifier'
> drivers/gpu/drm/bridge/sil-sii8620.o: In function `sii8620_probe':
> sil-sii8620.c:(.text+0x2a4b): undefined reference to `extcon_find_edev_by_node'
> sil-sii8620.c:(.text+0x2af4): undefined reference to `extcon_register_notifier'
> drivers/gpu/drm/bridge/sil-sii8620.o: In function `sii8620_extcon_work':
> sil-sii8620.c:(.text+0x2b94): undefined reference to `extcon_get_state'
>
> Fix this by selecting EXTCON.
>
> Fixes: 688838442147 ("drm/bridge/sii8620: use micro-USB cable detection logic to detect MHL")
> Signed-off-by: Tobias Regnery <tobias.regnery@xxxxxxxxx>
There is already pending patch[1].
[1]: https://patchwork.kernel.org/patch/10330653/
Regards
Andrzej
> ---
> 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 3aa65bdecb0e..ab99e36ee034 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -74,6 +74,7 @@ config DRM_SIL_SII8620
> tristate "Silicon Image SII8620 HDMI/MHL bridge"
> depends on OF && RC_CORE
> select DRM_KMS_HELPER
> + select EXTCON
> help
> Silicon Image SII8620 HDMI/MHL bridge chip driver.
>
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