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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 v5 12/12] scsi: ufs: ufs-qcom: Enable TX Equalization Date: Wed, 25 Mar 2026 08:21:54 -0700 Message-Id: <20260325152154.1604082-13-can.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260325152154.1604082-1-can.guo@oss.qualcomm.com> References: <20260325152154.1604082-1-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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDExMCBTYWx0ZWRfX48X+yQDMKOba cuemUmEEd6Y480Sy16eqO29dj25eaxaO1R8DwPOZLs81WNkwG4b7i6ONh9YAV2DEaj7sNH6p1X2 tqXGmtN4q56K2AIqeqALA1BgLgTfUcEVSgi0zB/BwNkcLmXV1he1QnUbYA4Ozn12jycLubghFxP 7hQ9IRKAHEyEOta5ad+jzgITHxQ2HJ7BnF5R5jzW9SZU7l8OfBw39T9GC/ghPPYaTGfFzCL58C+ fi5bXjnmWQje12zQTQ1u7uxi75Va7FGY5LxIeh6xJUBP+v38vYAz7Tfu3xWz2DoZDQsGc4lMRO6 KGE56NBWY+jUx/vkE+/hA5DRwZ+3c7BrtJcqOqt3SC4hat0XrbSiGeKm7tZLbNtcWNYEfk65JxG WgAgYCC3awnLUN4MzrXH/eDm/rbsdjCs5EZ+AnDn5C82VMzFWNdmhm4EG7Zt0WJW3R/gs7GH7v4 /CFjSBQLWtkAK+CvdYA== X-Proofpoint-GUID: x-OGuCFZaEo16Zta6RKdvnxFqNjfPRGc X-Authority-Analysis: v=2.4 cv=Fo0IPmrq c=1 sm=1 tr=0 ts=69c3fe13 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=PY6Zn8H8AAAA:8 a=N54-gffFAAAA:8 a=EUspDBNiAAAA:8 a=rFf6Gu0_ub60KfkRFdIA:9 a=ySS05r0LPNlNiX1MMvNp:22 X-Proofpoint-ORIG-GUID: x-OGuCFZaEo16Zta6RKdvnxFqNjfPRGc 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=2026-03-25_04,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 malwarescore=0 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250110 Content-Type: text/plain; charset="utf-8" Enable TX Equalization for hosts with HW version 0x7 and onwards. Reviewed-by: Bean Huo Reviewed-by: Bart Van Assche 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 9abdeeee81f7..5a58ffef3d27 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1384,6 +1384,8 @@ 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; @@ -1391,6 +1393,9 @@ 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