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@huaqin.corp-partner.google.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240709134754.28013-3-lvzhaoxiong@huaqin.corp-partner.google.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240709134754.28013-3-lvzhaoxiong@huaqin.corp-partner.google.com

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index 8f03920e35030cc66d5005c667a036445dcf15e8..b92082bfc932a1ef5c3fcd422552595289a926b9 100644 (file)
--- 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");