linux-kernel - Re: [PATCH 03/13] scsi: ufs: qcom: Fix the return value when platform_get_resource

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Message-ID: <zxubx2deqdjkxg774d2mbqo66t7hlapg2vlvrraqawoemlywof@c7rs3mnzjppd>
Date:   Wed, 6 Dec 2023 12:11:08 -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 03/13] scsi: ufs: qcom: Fix the return value when
 platform_get_resource_byname() fails

On Fri, Dec 01, 2023 at 08:44:07PM +0530, Manivannan Sadhasivam wrote:
> The return value should be -ENODEV indicating that the resource is not
> provided in DT, not -ENOMEM. Fix it!
> 
> Fixes: c263b4ef737e ("scsi: ufs: core: mcq: Configure resource regions")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

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

> ---
>  drivers/ufs/host/ufs-qcom.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 852179e456f2..778df0a9c65e 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/drivers/ufs/host/ufs-qcom.c
> @@ -1701,7 +1701,7 @@ static int ufs_qcom_mcq_config_resource(struct ufs_hba *hba)
>  		if (!res->resource) {
>  			dev_info(hba->dev, "Resource %s not provided\n", res->name);
>  			if (i == RES_UFS)
> -				return -ENOMEM;
> +				return -ENODEV;
>  			continue;
>  		} else if (i == RES_UFS) {
>  			res_mem = res->resource;
> -- 
> 2.25.1
> 
>