[PATCH v5 12/12] scsi: ufs: ufs-qcom: Enable TX Equalization

[Can Guo <can.guo@oss.qualcomm.com>]

Enable TX Equalization for hosts with HW version 0x7 and onwards.

Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
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 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 *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;
@@ -1391,6 +1393,9 @@ 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