linux-kernel - Re: [PATCH 1/2] scsi: ufs: core: convert to dev_err_probe() in hba

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Date:   Tue, 8 Aug 2023 16:29:29 -0400
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     Brian Masney <bmasney@...hat.com>
Cc:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        alim.akhtar@...sung.com, avri.altman@....com, bvanassche@....org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] scsi: ufs: core: convert to dev_err_probe() in
 hba_init

On Tue,  8 Aug 2023 10:26:49 -0400
Brian Masney <bmasney@...hat.com> wrote:

> Convert ufshcd_variant_hba_init() over to use dev_err_probe() to avoid
> log messages like the following on bootup:
> 
>     ufshcd-qcom 1d84000.ufs: ufshcd_variant_hba_init: variant qcom init
>         failed err -517
> 
> While changes are being made here, let's go ahead and clean up the rest
> of that function.

Hi,
you should not combine code cleanup and fixes/improvements in the same
patch, split them.

Hugo Villeneuve


> Signed-off-by: Brian Masney <bmasney@...hat.com>
> ---
>  drivers/ufs/core/ufshcd.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
> index 129446775796..90d87cf5e25e 100644
> --- a/drivers/ufs/core/ufshcd.c
> +++ b/drivers/ufs/core/ufshcd.c
> @@ -9228,17 +9228,18 @@ static int ufshcd_init_clocks(struct ufs_hba *hba)
>  
>  static int ufshcd_variant_hba_init(struct ufs_hba *hba)
>  {
> -	int err = 0;
> +	int ret;
>  
>  	if (!hba->vops)
> -		goto out;
> +		return 0;
>  
> -	err = ufshcd_vops_init(hba);
> -	if (err)
> -		dev_err(hba->dev, "%s: variant %s init failed err %d\n",
> -			__func__, ufshcd_get_var_name(hba), err);
> -out:
> -	return err;
> +	ret = ufshcd_vops_init(hba);
> +	if (ret)
> +		dev_err_probe(hba->dev, ret,
> +			      "%s: variant %s init failed with error %d\n",
> +			      __func__, ufshcd_get_var_name(hba), ret);
> +
> +	return ret;
>  }
>  
>  static void ufshcd_variant_hba_exit(struct ufs_hba *hba)
> -- 
> 2.41.0
>