linux-kernel - [PATCH v2 1/2] phy: qcom-qmp: fix pipe-clock imbalance on power-on failure

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Message-Id: <20220502133130.4125-2-johan+linaro@kernel.org>
Date:   Mon,  2 May 2022 15:31:29 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>,
        Evan Green <evgreen@...omium.org>
Subject: [PATCH v2 1/2] phy: qcom-qmp: fix pipe-clock imbalance on power-on failure

Make sure to disable the pipe clock also if ufs-reset deassertion fails
during power on.

Note that the ufs-reset is asserted in qcom_qmp_phy_com_exit().

Fixes: c9b589791fc1 ("phy: qcom: Utilize UFS reset controller")
Cc: Evan Green <evgreen@...omium.org>
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 8c2300bfe489..c37c0d8fea4e 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -5433,7 +5433,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
 
 	ret = reset_control_deassert(qmp->ufs_reset);
 	if (ret)
-		goto err_lane_rst;
+		goto err_pcs_ready;
 
 	qcom_qmp_phy_configure(pcs_misc, cfg->regs, cfg->pcs_misc_tbl,
 			       cfg->pcs_misc_tbl_num);
-- 
2.35.1