linux-kernel - [PATCH v6 2/5] drm/panel: boe-th101mb31ig002: switch to devm_gpiod_get_optional() for reset

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Message-Id: <20240709134754.28013-3-lvzhaoxiong@huaqin.corp-partner.google.com>
Date: Tue,  9 Jul 2024 21:47:51 +0800
From: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
To: neil.armstrong@...aro.org,
	robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	airlied@...il.com,
	mripard@...nel.org,
	dianders@...gle.com,
	hsinyi@...gle.com,
	awarnecke002@...mail.com,
	quic_jesszhan@...cinc.com,
	dmitry.baryshkov@...aro.org
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Subject: [PATCH v6 2/5] drm/panel: boe-th101mb31ig002: switch to devm_gpiod_get_optional() for reset_gpio

Switch the driver to use devm_gpiod_get_optional() on reset_gpio to avoid
driver probe issues when reset line is not specified.

Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
---
Changes between V6 and V5:
-  1. No changes.
v5: https://lore.kernel.org/all/20240704072958.27876-3-lvzhaoxiong@huaqin.corp-partner.google.com/
---
 drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index 8f03920e3503..b92082bfc932 100644
--- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
+++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
@@ -286,7 +286,7 @@ static int boe_th101mb31ig002_dsi_probe(struct mipi_dsi_device *dsi)
 		return dev_err_probe(&dsi->dev, PTR_ERR(ctx->enable),
 				     "Failed to get enable GPIO\n");
 
-	ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_HIGH);
+	ctx->reset = devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(ctx->reset))
 		return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
 				     "Failed to get reset GPIO\n");
-- 
2.17.1