linux-kernel - [PATCH] phy: starfive: jh7110-dphy-tx: Add missing clk_disable

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Message-Id: <20241031073428.266942-1-changhuang.liang@starfivetech.com>
Date: Thu, 31 Oct 2024 00:34:28 -0700
From: Changhuang Liang <changhuang.liang@...rfivetech.com>
To: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>
Cc: Keith Zhao <keith.zhao@...rfivetech.com>,
	Changhuang Liang <changhuang.liang@...rfivetech.com>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] phy: starfive: jh7110-dphy-tx: Add missing clk_disable_unprepare()

Once the reset_control_deassert() fails, we need to run the missing
clk_disable_unprepare() before return in stf_dphy_init().

Fixes: d3ab79553308 ("phy: starfive: Add mipi dphy tx support")
Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
Closes: https://lore.kernel.org/r/202410310715.duo3ShR4-lkp@intel.com/
Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
---
 drivers/phy/starfive/phy-jh7110-dphy-tx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/starfive/phy-jh7110-dphy-tx.c b/drivers/phy/starfive/phy-jh7110-dphy-tx.c
index c64d1c91b130..7b59496983d2 100644
--- a/drivers/phy/starfive/phy-jh7110-dphy-tx.c
+++ b/drivers/phy/starfive/phy-jh7110-dphy-tx.c
@@ -330,6 +330,7 @@ static int stf_dphy_init(struct phy *phy)
 
 	ret = reset_control_deassert(dphy->sys_rst);
 	if (ret) {
+		clk_disable_unprepare(dphy->txesc_clk);
 		dev_err(dphy->dev, "Failed to deassert sys_rst\n");
 		return ret;
 	}
-- 
2.25.1