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Bottomley" , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v5 07/10] scsi: ufs: ufs-qcom: Set initial PHY gear to max HS gear for HW ver 5 and newer Date: Thu, 23 Nov 2023 00:46:27 -0800 Message-Id: <1700729190-17268-8-git-send-email-quic_cang@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1700729190-17268-1-git-send-email-quic_cang@quicinc.com> References: <1700729190-17268-1-git-send-email-quic_cang@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: IDsJu7vftQwSmB2iUqODQ_Ua3PGXbQUR X-Proofpoint-GUID: IDsJu7vftQwSmB2iUqODQ_Ua3PGXbQUR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-23_06,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 clxscore=1015 mlxlogscore=999 phishscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311230062 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Thu, 23 Nov 2023 00:52:32 -0800 (PST) Set the initial PHY gear to max HS gear for hosts with HW ver 5 and newer. This patch is not changing any functionalities or logic but only a preparation patch for the next patch in this series. Signed-off-by: Can Guo --- drivers/ufs/host/ufs-qcom.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 6756f8d..7bbccf4 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1067,6 +1067,20 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) hba->quirks |= UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH; } +static void ufs_qcom_set_phy_gear(struct ufs_qcom_host *host) +{ + struct ufs_host_params *host_params = &host->host_params; + + host->phy_gear = host_params->hs_tx_gear; + + /* + * Power up the PHY using the minimum supported gear (UFS_HS_G2). + * Switching to max gear will be performed during reinit if supported. + */ + if (host->hw_ver.major < 0x5) + host->phy_gear = UFS_HS_G2; +} + static void ufs_qcom_set_host_params(struct ufs_hba *hba) { struct ufs_qcom_host *host = ufshcd_get_variant(hba); @@ -1303,6 +1317,7 @@ static int ufs_qcom_init(struct ufs_hba *hba) ufs_qcom_set_caps(hba); ufs_qcom_advertise_quirks(hba); ufs_qcom_set_host_params(hba); + ufs_qcom_set_phy_gear(host); err = ufs_qcom_ice_init(host); if (err) @@ -1320,12 +1335,6 @@ static int ufs_qcom_init(struct ufs_hba *hba) dev_warn(dev, "%s: failed to configure the testbus %d\n", __func__, err); - /* - * Power up the PHY using the minimum supported gear (UFS_HS_G2). - * Switching to max gear will be performed during reinit if supported. - */ - host->phy_gear = UFS_HS_G2; - return 0; out_variant_clear: -- 2.7.4