From: Nitin Rawat <quic_nitirawa@quicinc.com>
Date: Mon, 26 May 2025 15:38:13 +0000 (+0530)
Subject: scsi: ufs: qcom: add a new phy calibrate API call
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=399c75b6a9ed2fd609f9ad4c22cdd6364bc9d441;p=thirdparty%2Fkernel%2Flinux.git

scsi: ufs: qcom: add a new phy calibrate API call

Introduce a new phy calibrate API call in the UFS Qualcomm driver to
separate phy calibration from phy power-on. This change is a precursor
to the successive commits in this series, which requires these two
operations to be distinct.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20250526153821.7918-3-quic_nitirawa@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 18a9784520013..b764055c1854e 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -532,6 +532,12 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
 		goto out_disable_phy;
 	}
 
+	ret = phy_calibrate(phy);
+	if (ret) {
+		dev_err(hba->dev, "Failed to calibrate PHY: %d\n", ret);
+		goto out_disable_phy;
+	}
+
 	ufs_qcom_select_unipro_mode(host);
 
 	return 0;