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Bottomley" , "Martin K. Petersen" CC: , , , , , , , , , Subject: [PATCH V2] scsi: ufs: ufs-qcom: add fixup_dev_quirks vops Date: Wed, 28 Aug 2024 19:10:32 +0530 Message-ID: <20240828134032.10663-1-quic_mapa@quicinc.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 30d14pmI4ZAXQHLU8_whrVRs3RQVGcht X-Proofpoint-GUID: 30d14pmI4ZAXQHLU8_whrVRs3RQVGcht X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-28_05,2024-08-27_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=946 priorityscore=1501 bulkscore=0 impostorscore=0 adultscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408280097 Add fixup_dev_quirk vops in QCOM UFS platforms and provide an initial vendor-specific device quirk table to add UFS device specific quirks which are enabled only for specified UFS devices. Micron and Skhynix UFS device needs DELAY_BEFORE_LPM quirk to have a delay before VCC is powered off. Toshiba UFS devices require delay after VCC power rail is turned-off in QCOM platforms. Hence add Toshiba vendor ID and DELAY_AFTER_LPM quirk for Toshiba UFS devices in QCOM platforms. Signed-off-by: Manish Pandey --- drivers/ufs/host/ufs-qcom.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 810e637047d0..9dbfbe643e5e 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -834,6 +834,25 @@ static int ufs_qcom_apply_dev_quirks(struct ufs_hba *hba) return err; } +/* UFS device-specific quirks */ +static struct ufs_dev_quirk ufs_qcom_dev_fixups[] = { + { .wmanufacturerid = UFS_VENDOR_MICRON, + .model = UFS_ANY_MODEL, + .quirk = UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM }, + { .wmanufacturerid = UFS_VENDOR_SKHYNIX, + .model = UFS_ANY_MODEL, + .quirk = UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM }, + { .wmanufacturerid = UFS_VENDOR_TOSHIBA, + .model = UFS_ANY_MODEL, + .quirk = UFS_DEVICE_QUIRK_DELAY_AFTER_LPM }, + {} +}; + +static void ufs_qcom_fixup_dev_quirks(struct ufs_hba *hba) +{ + ufshcd_fixup_dev_quirks(hba, ufs_qcom_dev_fixups); +} + static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba) { return ufshci_version(2, 0); @@ -1798,6 +1817,7 @@ static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = { .link_startup_notify = ufs_qcom_link_startup_notify, .pwr_change_notify = ufs_qcom_pwr_change_notify, .apply_dev_quirks = ufs_qcom_apply_dev_quirks, + .fixup_dev_quirks = ufs_qcom_fixup_dev_quirks, .suspend = ufs_qcom_suspend, .resume = ufs_qcom_resume, .dbg_register_dump = ufs_qcom_dump_dbg_regs,