linux-kernel - Re: [PATCH 10/13] scsi: ufs: qcom: Use dev_err_probe() to simplify error handling of devm_gpiod_get

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Message-ID: <swt7fadd6cpi3tfyphpuhv5omlr3jzc6uipc246f7flritnufs@4hjdjfjnydgr>
Date:   Wed, 6 Dec 2023 12:52:36 -0600
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     martin.petersen@...cle.com, jejb@...ux.ibm.com,
        andersson@...nel.org, konrad.dybcio@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_cang@...cinc.com
Subject: Re: [PATCH 10/13] scsi: ufs: qcom: Use dev_err_probe() to simplify
 error handling of devm_gpiod_get_optional()

On Fri, Dec 01, 2023 at 08:44:14PM +0530, Manivannan Sadhasivam wrote:
> As done in other places, let's use dev_err_probe() to simplify the error
> handling while acquiring the device reset gpio using
> devm_gpiod_get_optional().
> 
> While at it, let's reword the error message to make it clear that the
> failure is due to acquiring "device reset gpio".
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Reviewed-by: Andrew Halaney <ahalaney@...hat.com>

> ---
>  drivers/ufs/host/ufs-qcom.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 218d22e1efce..a86f6620abc8 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/drivers/ufs/host/ufs-qcom.c
> @@ -1146,9 +1146,8 @@ static int ufs_qcom_init(struct ufs_hba *hba)
>  	host->device_reset = devm_gpiod_get_optional(dev, "reset",
>  						     GPIOD_OUT_HIGH);
>  	if (IS_ERR(host->device_reset)) {
> -		err = PTR_ERR(host->device_reset);
> -		if (err != -EPROBE_DEFER)
> -			dev_err(dev, "failed to acquire reset gpio: %d\n", err);
> +		err = dev_err_probe(dev, PTR_ERR(host->device_reset),
> +				    "Failed to acquire device reset gpio\n");
>  		goto out_variant_clear;
>  	}
>  
> -- 
> 2.25.1
> 
>