[PATCH V4 01/11] scsi: ufs: qcom: add a new phy calibrate API call

From: Nitin Rawat <quic_nitirawa@quicinc.com>
To: vkoul@kernel.org, kishon@kernel.org,
	manivannan.sadhasivam@linaro.org,
	James.Bottomley@HansenPartnership.com,
	martin.petersen@oracle.com, bvanassche@acm.org,
	andersson@kernel.org, neil.armstrong@linaro.org,
	konrad.dybcio@oss.qualcomm.com
Cc: quic_rdwivedi@quicinc.com, quic_cang@quicinc.com,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	Nitin Rawat <quic_nitirawa@quicinc.com>
Subject: [PATCH V4 01/11] scsi: ufs: qcom: add a new phy calibrate API call
Date: Sat,  3 May 2025 21:54:30 +0530	[thread overview]
Message-ID: <20250503162440.2954-2-quic_nitirawa@quicinc.com> (raw)
In-Reply-To: <20250503162440.2954-1-quic_nitirawa@quicinc.com>

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 next patchset in this series, which requires these two operations
to be distinct.

Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
---
 drivers/ufs/host/ufs-qcom.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 1b37449fbffc..2cd44ee522b8 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -473,6 +473,12 @@ 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;
--
2.48.1


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