On Mon, Oct 12, 2026 at 04:48:15PM +0700, phucduc.bui@gmail.com wrote:
> From: bui duc phuc <phucduc.bui@gmail.com>
> 
> devm_gpiod_get_optional() returns NULL when the optional GPIO is not
> present, but may return -EPROBE_DEFER or other errors.
> 
> The current code treats GPIO lookup errors as if the GPIO were not
> present.
> 
> Check the return value and propagate errors from the REFCLK select GPIO
> lookup.
> 
> Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
> Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
> ---
> 
> Changes in v2:
>  - Follow the subject line capitalization style.
> 
>  drivers/pci/controller/dwc/pcie-tegra194.c | 15 +++------------

Reviewed-by: Thierry Reding <treding@nvidia.com>