diff mbox series

[v5,2/5] drm/panel: boe-th101mb31ig002: switch to devm_gpiod_get_optional() for reset_gpio

Message ID 20240704072958.27876-3-lvzhaoxiong@huaqin.corp-partner.google.com (mailing list archive)
State New, archived
Headers show
Series Support Starry er88577 MIPI-DSI panel | expand

Commit Message

Zhaoxiong Lv July 4, 2024, 7:29 a.m. UTC 
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>
---
 drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Neil Armstrong July 8, 2024, 12:37 p.m. UTC | #1 
On 04/07/2024 09:29, Zhaoxiong Lv wrote:
> 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>
> ---
>   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 159e401ad0e6..9f225c15b21c 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");

Hmm, the reset gpio is not in the bindings, please fix that!

Neil
diff mbox series

Patch

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index 159e401ad0e6..9f225c15b21c 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");