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Message-ID: <20221129152404.GB4931@workstation>
Date: Tue, 29 Nov 2022 20:54:04 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Asutosh Das <quic_asutoshd@...cinc.com>
Cc: quic_cang@...cinc.com, martin.petersen@...cle.com,
linux-scsi@...r.kernel.org, quic_nguyenb@...cinc.com,
quic_xiaosenh@...cinc.com, stanley.chu@...iatek.com,
eddie.huang@...iatek.com, daejun7.park@...sung.com,
bvanassche@....org, avri.altman@....com, beanhuo@...ron.com,
linux-arm-msm@...r.kernel.org,
Alim Akhtar <alim.akhtar@...sung.com>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
Jinyoung Choi <j-young.choi@...sung.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 01/16] ufs: core: Optimize duplicate code to read
extended feature
On Mon, Nov 28, 2022 at 05:20:42PM -0800, Asutosh Das wrote:
> The code to parse the extended feature is duplicated twice
> in the ufs core. Replace the duplicated code with a
> function.
>
> Signed-off-by: Asutosh Das <quic_asutoshd@...cinc.com>
> Reviewed-by: Bart Van Assche <bvanassche@....org>
Looks like you missed my tag. But anyhow:
Reviewed-by: Manivannan Sadhasivam <mani@...nel.org>
Thanks,
Mani
> ---
> drivers/ufs/core/ufshcd.c | 21 +++++++++++++--------
> 1 file changed, 13 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
> index 2dbe249..6ea22b5 100644
> --- a/drivers/ufs/core/ufshcd.c
> +++ b/drivers/ufs/core/ufshcd.c
> @@ -215,6 +215,17 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state,
> return UFS_PM_LVL_0;
> }
>
> +static unsigned int ufs_get_ext_ufs_feature(struct ufs_hba *hba,
> + const u8 *desc_buf)
> +{
> + if (hba->desc_size[QUERY_DESC_IDN_DEVICE] <
> + DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP + 4)
> + return 0;
> +
> + return get_unaligned_be32(desc_buf +
> + DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);
> +}
> +
> static const struct ufs_dev_quirk ufs_fixups[] = {
> /* UFS cards deviations table */
> { .wmanufacturerid = UFS_VENDOR_MICRON,
> @@ -7608,13 +7619,7 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, const u8 *desc_buf)
> (hba->dev_quirks & UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES)))
> goto wb_disabled;
>
> - if (hba->desc_size[QUERY_DESC_IDN_DEVICE] <
> - DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP + 4)
> - goto wb_disabled;
> -
> - ext_ufs_feature = get_unaligned_be32(desc_buf +
> - DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);
> -
> + ext_ufs_feature = ufs_get_ext_ufs_feature(hba, desc_buf);
> if (!(ext_ufs_feature & UFS_DEV_WRITE_BOOSTER_SUP))
> goto wb_disabled;
>
> @@ -7668,7 +7673,7 @@ static void ufshcd_temp_notif_probe(struct ufs_hba *hba, const u8 *desc_buf)
> if (!(hba->caps & UFSHCD_CAP_TEMP_NOTIF) || dev_info->wspecversion < 0x300)
> return;
>
> - ext_ufs_feature = get_unaligned_be32(desc_buf + DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP);
> + ext_ufs_feature = ufs_get_ext_ufs_feature(hba, desc_buf);
>
> if (ext_ufs_feature & UFS_DEV_LOW_TEMP_NOTIF)
> mask |= MASK_EE_TOO_LOW_TEMP;
> --
> 2.7.4
>
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