From: Can Guo <can.guo@oss.qualcomm.com>
To: avri.altman@wdc.com, bvanassche@acm.org, beanhuo@micron.com,
martin.petersen@oracle.com
Cc: linux-scsi@vger.kernel.org, Can Guo <can.guo@oss.qualcomm.com>,
Manivannan Sadhasivam <mani@kernel.org>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
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 [thread overview]
Message-ID: <20260304135313.413688-12-can.guo@oss.qualcomm.com> (raw)
In-Reply-To: <20260304135313.413688-1-can.guo@oss.qualcomm.com>
Enable TX Equalization for hosts with HW version 0x7 and onwards.
Signed-off-by: Can Guo <can.guo@oss.qualcomm.com>
---
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 *hba)
static void ufs_qcom_set_caps(struct ufs_hba *hba)
{
+ struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
hba->caps |= UFSHCD_CAP_CLK_GATING | UFSHCD_CAP_HIBERN8_WITH_CLK_GATING;
hba->caps |= UFSHCD_CAP_CLK_SCALING | UFSHCD_CAP_WB_WITH_CLK_SCALING;
hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
@@ -1398,6 +1400,9 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba)
hba->caps |= UFSHCD_CAP_AGGR_POWER_COLLAPSE;
hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND;
+ if (host->hw_ver.major >= 0x7)
+ hba->caps |= UFSHCD_CAP_TX_EQUALIZATION;
+
ufs_qcom_set_host_caps(hba);
}
--
2.34.1
prev parent reply other threads:[~2026-03-04 13:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20260304135313.413688-1-can.guo@oss.qualcomm.com>
2026-03-04 13:53 ` [PATCH v2 01/11] scsi: ufs: core: Introduce a new ufshcd vops negotiate_pwr_mode() Can Guo
2026-03-05 12:53 ` Krzysztof Kozlowski
2026-03-06 12:25 ` Can Guo
2026-03-05 21:03 ` Bean Huo
2026-03-06 12:41 ` Can Guo
2026-03-04 13:53 ` [PATCH v2 07/11] scsi: ufs: ufs-qcom: Fixup PAM-4 TX L0_L1_L2_L3 adaptation pattern length Can Guo
2026-03-04 15:10 ` Manivannan Sadhasivam
2026-03-06 11:14 ` Can Guo
2026-03-04 13:53 ` [PATCH v2 08/11] scsi: ufs: ufs-qcom: Implement vops tx_eqtr_notify() Can Guo
2026-03-04 15:20 ` Manivannan Sadhasivam
2026-03-06 13:41 ` Can Guo
2026-03-05 21:17 ` Bean Huo
2026-03-06 13:33 ` Can Guo
2026-03-04 13:53 ` [PATCH v2 09/11] scsi: ufs: ufs-qcom: Implement vops get_rx_fom() Can Guo
2026-03-04 15:39 ` Manivannan Sadhasivam
2026-03-06 14:04 ` Can Guo
2026-03-04 13:53 ` [PATCH v2 10/11] scsi: ufs: ufs-qcom: Implement vops apply_tx_eqtr_settings() Can Guo
2026-03-04 15:41 ` Manivannan Sadhasivam
2026-03-06 14:05 ` Can Guo
2026-03-04 13:53 ` Can Guo [this message]
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