diff mbox series

[-next,v2] usb: musb: mediatek: Simplify code with dev_err_probe()

Message ID 20240907081351.19879-1-linruifeng4@huawei.com
State Superseded
Headers show
Series [-next,v2] usb: musb: mediatek: Simplify code with dev_err_probe() | expand

Commit Message

Lin Ruifeng Sept. 7, 2024, 8:13 a.m. UTC
The combination of dev_err() and the returned error code could be
replaced by dev_err_probe() in driver's probe function. Let's,
converting to dev_err_probe() to make code more simple.

Signed-off-by: Lin Ruifeng <linruifeng4@huawei.com>
---
v2:
- The wrong message is modified.
 drivers/usb/musb/mediatek.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

Comments

Matthias Brugger Sept. 9, 2024, 11:05 a.m. UTC | #1
On 07/09/2024 10:13, Lin Ruifeng wrote:
> The combination of dev_err() and the returned error code could be
> replaced by dev_err_probe() in driver's probe function. Let's,
> converting to dev_err_probe() to make code more simple.
> 
> Signed-off-by: Lin Ruifeng <linruifeng4@huawei.com>

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

> ---
> v2:
> - The wrong message is modified.
>   drivers/usb/musb/mediatek.c | 27 +++++++++++----------------
>   1 file changed, 11 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/usb/musb/mediatek.c b/drivers/usb/musb/mediatek.c
> index 0a35aab3ab81..63c86c046b98 100644
> --- a/drivers/usb/musb/mediatek.c
> +++ b/drivers/usb/musb/mediatek.c
> @@ -416,10 +416,9 @@ static int mtk_musb_probe(struct platform_device *pdev)
>   		return -ENOMEM;
>   
>   	ret = of_platform_populate(np, NULL, NULL, dev);
> -	if (ret) {
> -		dev_err(dev, "failed to create child devices at %p\n", np);
> -		return ret;
> -	}
> +	if (ret)
> +		return dev_err_probe(dev, ret,
> +				"failed to create child devices at %p\n", np);
>   
>   	ret = mtk_musb_clks_get(glue);
>   	if (ret)
> @@ -448,23 +447,19 @@ static int mtk_musb_probe(struct platform_device *pdev)
>   		glue->role = USB_ROLE_NONE;
>   		break;
>   	default:
> -		dev_err(&pdev->dev, "Error 'dr_mode' property\n");
> -		return -EINVAL;
> +		return dev_err_probe(&pdev->dev, -EINVAL,
> +				"Error 'dr_mode' property\n");
>   	}
>   
>   	glue->phy = devm_of_phy_get_by_index(dev, np, 0);
> -	if (IS_ERR(glue->phy)) {
> -		dev_err(dev, "fail to getting phy %ld\n",
> -			PTR_ERR(glue->phy));
> -		return PTR_ERR(glue->phy);
> -	}
> +	if (IS_ERR(glue->phy))
> +		return dev_err_probe(dev, PTR_ERR(glue->phy),
> +				"fail to getting phy\n");
>   
>   	glue->usb_phy = usb_phy_generic_register();
> -	if (IS_ERR(glue->usb_phy)) {
> -		dev_err(dev, "fail to registering usb-phy %ld\n",
> -			PTR_ERR(glue->usb_phy));
> -		return PTR_ERR(glue->usb_phy);
> -	}
> +	if (IS_ERR(glue->usb_phy))
> +		return dev_err_probe(dev, PTR_ERR(glue->usb_phy),
> +				"fail to registering usb-phy\n");
>   
>   	glue->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
>   	if (IS_ERR(glue->xceiv)) {
AngeloGioacchino Del Regno Sept. 11, 2024, 7:48 a.m. UTC | #2
Il 07/09/24 10:13, Lin Ruifeng ha scritto:
> The combination of dev_err() and the returned error code could be
> replaced by dev_err_probe() in driver's probe function.
 >

> Let's,
> converting to dev_err_probe() to make code more simple.

Convert to dev_err_probe() to simplify the code.

> 
> Signed-off-by: Lin Ruifeng <linruifeng4@huawei.com>

After which,
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff mbox series

Patch

diff --git a/drivers/usb/musb/mediatek.c b/drivers/usb/musb/mediatek.c
index 0a35aab3ab81..63c86c046b98 100644
--- a/drivers/usb/musb/mediatek.c
+++ b/drivers/usb/musb/mediatek.c
@@ -416,10 +416,9 @@  static int mtk_musb_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ret = of_platform_populate(np, NULL, NULL, dev);
-	if (ret) {
-		dev_err(dev, "failed to create child devices at %p\n", np);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret,
+				"failed to create child devices at %p\n", np);
 
 	ret = mtk_musb_clks_get(glue);
 	if (ret)
@@ -448,23 +447,19 @@  static int mtk_musb_probe(struct platform_device *pdev)
 		glue->role = USB_ROLE_NONE;
 		break;
 	default:
-		dev_err(&pdev->dev, "Error 'dr_mode' property\n");
-		return -EINVAL;
+		return dev_err_probe(&pdev->dev, -EINVAL,
+				"Error 'dr_mode' property\n");
 	}
 
 	glue->phy = devm_of_phy_get_by_index(dev, np, 0);
-	if (IS_ERR(glue->phy)) {
-		dev_err(dev, "fail to getting phy %ld\n",
-			PTR_ERR(glue->phy));
-		return PTR_ERR(glue->phy);
-	}
+	if (IS_ERR(glue->phy))
+		return dev_err_probe(dev, PTR_ERR(glue->phy),
+				"fail to getting phy\n");
 
 	glue->usb_phy = usb_phy_generic_register();
-	if (IS_ERR(glue->usb_phy)) {
-		dev_err(dev, "fail to registering usb-phy %ld\n",
-			PTR_ERR(glue->usb_phy));
-		return PTR_ERR(glue->usb_phy);
-	}
+	if (IS_ERR(glue->usb_phy))
+		return dev_err_probe(dev, PTR_ERR(glue->usb_phy),
+				"fail to registering usb-phy\n");
 
 	glue->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
 	if (IS_ERR(glue->xceiv)) {