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