drm/tegra: Fix gpiod_get_from_of_node() regression
That function now returns ERR_PTR instead of NULL if "hpd-gpio" is not
present in device-tree. The offending patch missed to adapt the Tegra's
DRM driver for the API change.
Fixes: 025bf37725f1 ("gpio: Fix return value mismatch of function gpiod_get_from_of_node()")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 274cb95..bdcaa4c 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -126,8 +126,12 @@ int tegra_output_probe(struct tegra_output *output)
"nvidia,hpd-gpio", 0,
GPIOD_IN,
"HDMI hotplug detect");
- if (IS_ERR(output->hpd_gpio))
- return PTR_ERR(output->hpd_gpio);
+ if (IS_ERR(output->hpd_gpio)) {
+ if (PTR_ERR(output->hpd_gpio) != -ENOENT)
+ return PTR_ERR(output->hpd_gpio);
+
+ output->hpd_gpio = NULL;
+ }
if (output->hpd_gpio) {
err = gpiod_to_irq(output->hpd_gpio);