From: Vivek Gautam <vivek.gautam@codeaurora.org>
To: kishon@ti.com, linux-kernel@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
gregkh@linuxfoundation.org,
Vivek Gautam <vivek.gautam@codeaurora.org>
Subject: [PATCH] phy: qcom-qmp: Fix failure path in phy_init functions
Date: Tue, 20 Jun 2017 11:27:18 +0530 [thread overview]
Message-ID: <1497938238-19101-1-git-send-email-vivek.gautam@codeaurora.org> (raw)
Fixing the clk enable failure path in qcom_qmp_phy_init()
and cleanup the reset control deassertion failure path in
qcom_qmp_phy_com_init().
Fixes: e78f3d15e115 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets")
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
---
drivers/phy/qualcomm/phy-qcom-qmp.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 78ca62897784..7b739571b301 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -654,8 +654,6 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
if (ret) {
dev_err(qmp->dev, "%s reset deassert failed\n",
qmp->cfg->reset_list[i]);
- while (--i >= 0)
- reset_control_assert(qmp->resets[i]);
goto err_rst;
}
}
@@ -684,7 +682,7 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
if (ret) {
dev_err(qmp->dev,
"phy common block init timed-out\n");
- goto err_com_init;
+ goto err_rst;
}
}
@@ -692,11 +690,11 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
return 0;
-err_com_init:
+err_rst:
while (--i >= 0)
reset_control_assert(qmp->resets[i]);
-err_rst:
mutex_unlock(&qmp->phy_mutex);
+
return ret;
}
@@ -749,14 +747,13 @@ static int qcom_qmp_phy_init(struct phy *phy)
if (ret) {
dev_err(qmp->dev, "failed to enable %s clk, err=%d\n",
qmp->cfg->clk_list[i], ret);
- while (--i >= 0)
- clk_disable_unprepare(qmp->clks[i]);
+ goto err_clk;
}
}
ret = qcom_qmp_phy_com_init(qmp);
if (ret)
- goto err_com_init;
+ goto err_clk;
if (cfg->has_lane_rst) {
ret = reset_control_deassert(qphy->lane_rst);
@@ -804,7 +801,7 @@ static int qcom_qmp_phy_init(struct phy *phy)
reset_control_assert(qphy->lane_rst);
err_lane_rst:
qcom_qmp_phy_com_exit(qmp);
-err_com_init:
+err_clk:
while (--i >= 0)
clk_disable_unprepare(qmp->clks[i]);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next reply other threads:[~2017-06-20 5:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-20 5:57 Vivek Gautam [this message]
2017-07-31 5:28 ` [PATCH] phy: qcom-qmp: Fix failure path in phy_init functions Vivek Gautam
2017-08-02 5:09 ` Kishon Vijay Abraham I
2017-08-02 5:35 ` Vivek Gautam
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