From 7ff19fba3131c4ecc6346213e5e10d9d338fdb2e Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Thu, 24 Jun 2021 03:03:00 +0300
Subject: drm/bridge: ti-sn65dsi86: Make enable GPIO optional
Git-commit: bbda1704fc1513383db2fa9c35b8463bf1afe8bc
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

The enable signal may not be controllable by the kernel. Make it
optional.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210624000304.16281-3-laurent.pinchart+renesas@ideasonboard.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 5d712c8c3c3b..f0c7c6d4b2c1 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1459,7 +1459,8 @@ static int ti_sn65dsi86_probe(struct i2c_client *client,
 		return dev_err_probe(dev, PTR_ERR(pdata->regmap),
 				     "regmap i2c init failed\n");
 
-	pdata->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
+	pdata->enable_gpio = devm_gpiod_get_optional(dev, "enable",
+						     GPIOD_OUT_LOW);
 	if (IS_ERR(pdata->enable_gpio))
 		return dev_err_probe(dev, PTR_ERR(pdata->enable_gpio),
 				     "failed to get enable gpio from DT\n");
-- 
2.38.1