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Bottomley" , Jinyoung Choi , open list Subject: [PATCH v5 01/16] ufs: core: Optimize duplicate code to read extended feature Date: Tue, 22 Nov 2022 20:10:14 -0800 Message-ID: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: -OVg4znrBjpOVQPLA0Mbg5aj6sUD2xug X-Proofpoint-GUID: -OVg4znrBjpOVQPLA0Mbg5aj6sUD2xug X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-22_13,2022-11-18_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 impostorscore=0 spamscore=0 clxscore=1015 mlxlogscore=999 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211230030 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 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 Reviewed-by: Bart Van Assche --- 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 768cb49..c9d7b78 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, @@ -7584,13 +7595,7 @@ 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; @@ -7644,7 +7649,7 @@ 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