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Bottomley" , linux-arm-msm@vger.kernel.org (open list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER...), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 12/12] scsi: ufs: ufs-qcom: Enable TX Equalization Date: Sun, 8 Mar 2026 08:14:09 -0700 Message-Id: <20260308151409.3779137-13-can.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260308151409.3779137-1-can.guo@oss.qualcomm.com> References: <20260308151409.3779137-1-can.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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-Authority-Analysis: v=2.4 cv=U5qfzOru c=1 sm=1 tr=0 ts=69ad9287 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=ENi0XzU5rTanaItzT-wA:9 X-Proofpoint-ORIG-GUID: zwvqGyC8MhrsCn7yKGPbo6Ga34_UzxZL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA4MDE0MCBTYWx0ZWRfX+ldZOirUbRsC FQD2MUV9r6zDLgQeAu4ZSdLG5VGDmG3aHJS8DjrmpmOFrubIpLCB/R5OpuaybTUePkZezoMp5tU pdtrUK7i00ekqSd1xJ91eWDBZdaQHz4L4ChbcFVvP6uATHW8JnETq/AED1lb1S6ErOmmq3fopQl HFpvMMjJ4Pj5F7Ipr9hnm504oBveTN33KfBiagoHsdFDmq2C43BuRZRAQNDGpK3tOUPGC57AqDw dAk5VMQCrKoGQwdOkN4A37W4E4uq1o2zIVPUwh1TaARz8D4FZCOQ+jkV4W6ixEY5FRZCC12dgHO dmjSXerRhiQxwKHGPVFzz1KQkd3UlumiHcPgVNzKZLfYOlizgUOEqjKNwu5/HzUjafk1di8mhcr 8HZEzFs0jNy47N2j+0LAmXr1PsA1UWBTJNdMkAGZVZpRvCZhfD81Yyp+ftBcy7WnLeet7TIU1gB Idzz5yXW6PlM2q9m2RQ== X-Proofpoint-GUID: zwvqGyC8MhrsCn7yKGPbo6Ga34_UzxZL X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-08_04,2026-03-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603080140 Content-Type: text/plain; charset="utf-8" Enable TX Equalization for hosts with HW version 0x7 and onwards. Signed-off-by: Can Guo --- drivers/ufs/host/ufs-qcom.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index a7feef2385fd..af481499e2c4 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1394,6 +1394,8 @@ static void ufs_qcom_set_host_caps(struct ufs_hba *hb= a) =20 static void ufs_qcom_set_caps(struct ufs_hba *hba) { + struct ufs_qcom_host *host =3D ufshcd_get_variant(hba); + hba->caps |=3D UFSHCD_CAP_CLK_GATING | UFSHCD_CAP_HIBERN8_WITH_CLK_GATING; hba->caps |=3D UFSHCD_CAP_CLK_SCALING | UFSHCD_CAP_WB_WITH_CLK_SCALING; hba->caps |=3D UFSHCD_CAP_AUTO_BKOPS_SUSPEND; @@ -1401,6 +1403,9 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba) hba->caps |=3D UFSHCD_CAP_AGGR_POWER_COLLAPSE; hba->caps |=3D UFSHCD_CAP_RPM_AUTOSUSPEND; =20 + if (host->hw_ver.major >=3D 0x7) + hba->caps |=3D UFSHCD_CAP_TX_EQUALIZATION; + ufs_qcom_set_host_caps(hba); } =20 --=20 2.34.1