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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 v2 11/11] scsi: ufs: ufs-qcom: Enable TX Equalization Date: Wed, 4 Mar 2026 05:53:13 -0800 Message-Id: <20260304135313.413688-12-can.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260304135313.413688-1-can.guo@oss.qualcomm.com> References: <20260304135313.413688-1-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=JqL8bc4C c=1 sm=1 tr=0 ts=69a83999 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=ENi0XzU5rTanaItzT-wA:9 X-Proofpoint-ORIG-GUID: FFvow9c4tjWJFnZNEI5YwDvlJ3xa8YZm X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA0MDExMiBTYWx0ZWRfXxG1bNCdPtiRn 6/SFAHBloCeHXoBtG0+Vm1yfGxaNf1ZLRZIlDUdfKUilTuTwxxHgvEB7cxfAO5zebQ0/1ae27CJ zhhE4SU7O7Ex4cwSc2LIaPxQmgEsrfNN7UIwwFYbeQ8WrSgsj7WO28mPBIFMUADpcMACUXIgt4a lfBogL+35ksoYMVrlzoHYl3D84aN5p9GfdAGkbvGH0OJ4zECMnFvHPeMxlFOnlVUcCccX2KG6UL I3SyoTI66Jb/B4brDjINyd7h2zds2OEymOmExAx6sreHF02ZdrxcrFqD/SOVWOjG0DQAtJEif/p koVgTQDJYGBafTgcHhDsPTzVx+PbtTVwBE4q7Q8JQA1qGfbc3Oa6nybLS4g2DrXLQnB/x8Wo078 XQxeBLfhKAd4uzsqF4my4NknSDNggKM3C+pid91Pxmf4wrX7jjxJcgkWfkyW/OhdCxnIRQiQ9oO WyWra7NliqgNxhO72zg== X-Proofpoint-GUID: FFvow9c4tjWJFnZNEI5YwDvlJ3xa8YZm 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=2026-03-04_06,2026-03-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 phishscore=0 spamscore=0 suspectscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603040112 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 89bea823a08b..3dee1d5f9e6f 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1391,6 +1391,8 @@ 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; @@ -1398,6 +1400,9 @@ 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