[PATCH] drm/exynos/dsi: make te-gpios optional

[Andrzej Hajda]

In case of HW-TRIGGER te-gpios interrupt is not necessary. With this
patch we can get rid of 60 interrupt callbacks per second.

Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 812e2ec..f95fac5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1349,9 +1349,8 @@ static int exynos_dsi_register_te_irq(struct exynos_dsi *dsi)
 
 	dsi->te_gpio = of_get_named_gpio(dsi->panel_node, "te-gpios", 0);
 	if (!gpio_is_valid(dsi->te_gpio)) {
-		dev_err(dsi->dev, "no te-gpios specified\n");
-		ret = dsi->te_gpio;
-		goto out;
+		dev_info(dsi->dev, "no te-gpios specified\n");
+		return 0;
 	}
 
 	ret = gpio_request(dsi->te_gpio, "te_gpio");
-- 
2.7.4