On Fri, Oct 18, 2024 at 03:49:34PM +0300, Abel Vesa wrote:
> The assignment of the of_node to the aux bridge needs to mark the
> of_node as reused as well, otherwise resource providers like pinctrl will
> report a gpio as already requested by a different device when both pinconf
> and gpios property are present.
> Fix that by using the device_set_of_node_from_dev() helper instead.
>
> Fixes: 6914968a0b52 ("drm/bridge: properly refcount DT nodes in aux bridge drivers")
> Cc: stable@xxxxxxxxxxxxxxx # 6.8
> Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> ---
> Changes in v2:
> - Re-worded commit to be more explicit of what it fixes, as Johan suggested
> - Used device_set_of_node_from_dev() helper, as per Johan's suggestion
> - Added Fixes tag and cc'ed stable
> - Link to v1: https://lore.kernel.org/r/20241017-drm-aux-bridge-mark-of-node-reused-v1-1-7cd5702bb4f2@xxxxxxxxxx
> ---
> drivers/gpu/drm/bridge/aux-bridge.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
--
With best wishes
Dmitry
