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Message-Id: <20250502042432.88434-2-quic_ziqichen@quicinc.com>
Date: Fri, 2 May 2025 12:24:30 +0800
From: Ziqi Chen <quic_ziqichen@...cinc.com>
To: quic_cang@...cinc.com, bvanassche@....org, mani@...nel.org,
beanhuo@...ron.com, avri.altman@....com, junwoo80.lee@...sung.com,
martin.petersen@...cle.com, quic_ziqichen@...cinc.com,
quic_nguyenb@...cinc.com, quic_nitirawa@...cinc.com,
quic_rampraka@...cinc.com, neil.armstrong@...aro.org,
luca.weiss@...rphone.com, konrad.dybcio@....qualcomm.com
Cc: linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/3] scsi: ufs: qcom: Check gear against max gear in vop freq_to_gear()
The vop freq_to_gear() may return a gear greater than the negotiated max
gear, return the negotiated max gear if the mapped gear is greater than it.
Tested-by: Neil Armstrong <neil.armstrong@...aro.org>
Signed-off-by: Ziqi Chen <quic_ziqichen@...cinc.com>
---
drivers/ufs/host/ufs-qcom.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 46cca52aa6f1..f5ea703d8ef5 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -1938,9 +1938,11 @@ static u32 ufs_qcom_freq_to_gear_speed(struct ufs_hba *hba, unsigned long freq)
break;
default:
dev_err(hba->dev, "%s: Unsupported clock freq : %lu\n", __func__, freq);
- break;
+ return gear;
}
+ gear = min_t(u32, gear, hba->max_pwr_info.info.gear_rx);
+
return gear;
}
--
2.34.1
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