[PATCH 1/4] drm: exynos: hdmi: simplify extracting hpd-gpio from DT

[Tomasz Stanislawski]

This patch eliminates redundant checks while retrieving HPD gpio from DT during
HDMI's probe().

Signed-off-by: Tomasz Stanislawski <t.stanislaws at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_hdmi.c |   13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 9a6d652..d2d6e2e 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2016,23 +2016,18 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
 {
 	struct device_node *np = dev->of_node;
 	struct s5p_hdmi_platform_data *pd;
-	u32 value;
 
 	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
 	if (!pd)
-		goto err_data;
+		return NULL;
 
-	if (!of_find_property(np, "hpd-gpio", &value)) {
+	pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
+	if (gpio_is_valid(pd->hpd_gpio)) {
 		DRM_ERROR("no hpd gpio property found\n");
-		goto err_data;
+		return NULL;
 	}
 
-	pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
-
 	return pd;
-
-err_data:
-	return NULL;
 }
 
 static struct of_device_id hdmi_match_types[] = {
-- 
1.7.9.5