From: Vivek Gautam <vivek.gautam@codeaurora.org>
Date: Tue, 20 Jun 2017 05:57:18 +0000 (+0530)
Subject: phy: qcom-qmp: Fix failure path in phy_init functions
X-Git-Tag: v4.14-rc1~150^2~30^2~21
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8387c576b713bf677d59b7f16be64adb6b2de660;p=platform%2Fkernel%2Flinux-rpi.git

phy: qcom-qmp: Fix failure path in phy_init functions

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>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 0c6cb88..e17f0351 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -775,8 +775,6 @@ 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;
 		}
 	}
@@ -805,7 +803,7 @@ 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;
 		}
 	}
 
@@ -813,11 +811,11 @@ 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;
 }
 
@@ -870,14 +868,13 @@ 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);
@@ -925,7 +922,7 @@ err_pcs_ready:
 		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]);