linux-kernel - RE: [PATCH v2 2/5] scsi: ufs: add "index" in parameter list of ufshcd_query

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Message-ID: <BYAPR04MB46296FE5C0C4AE0CE7B24478FCAA0@BYAPR04MB4629.namprd04.prod.outlook.com>
Date:   Thu, 30 Apr 2020 07:56:37 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Stanley Chu <stanley.chu@...iatek.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>
CC:     "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kuohong.wang@...iatek.com" <kuohong.wang@...iatek.com>,
        "peter.wang@...iatek.com" <peter.wang@...iatek.com>,
        "chun-hung.wu@...iatek.com" <chun-hung.wu@...iatek.com>,
        "andy.teng@...iatek.com" <andy.teng@...iatek.com>
Subject: RE: [PATCH v2 2/5] scsi: ufs: add "index" in parameter list of
 ufshcd_query_flag()


> 
> For preparation of LU Dedicated buffer mode support on WriteBooster
> feature, "index" parameter shall be added and allowed to be specified
> by callers.
> 
> Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
> Reviewed-by: Bean Huo <beanhuo@...ron.com>
> ---
>  drivers/scsi/ufs/ufs-sysfs.c |  2 +-
>  drivers/scsi/ufs/ufshcd.c    | 28 +++++++++++++++-------------
>  drivers/scsi/ufs/ufshcd.h    |  2 +-
>  3 files changed, 17 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
> index 93484408bc40..b86b6a40d7e6 100644
> --- a/drivers/scsi/ufs/ufs-sysfs.c
> +++ b/drivers/scsi/ufs/ufs-sysfs.c
> @@ -631,7 +631,7 @@ static ssize_t _name##_show(struct device *dev,
> \
>         struct ufs_hba *hba = dev_get_drvdata(dev);                     \
>         pm_runtime_get_sync(hba->dev);                                  \
>         ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG,       \
> -               QUERY_FLAG_IDN##_uname, &flag);                         \
> +               QUERY_FLAG_IDN##_uname, 0, &flag);                      \
The sysfs entries for flags needs to get an _index argument now