[PATCH] phy: sunplus: fix error handling in sp_uphy_init()
Felix Gu
ustc.gu at gmail.com
Mon Aug 3 08:15:17 PDT 2026
Fix the error paths of sp_uphy_init() to undo exactly what each stage
did: return directly if clk_prepare_enable() fails, release only the clock
if reset_control_deassert() fails, and jump to err_reset if
update_disc_vol() fails so the clock and reset are not leaked.
Fixes: 99d9ccd97385 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021")
Signed-off-by: Felix Gu <ustc.gu at gmail.com>
---
drivers/phy/sunplus/phy-sunplus-usb2.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/phy/sunplus/phy-sunplus-usb2.c b/drivers/phy/sunplus/phy-sunplus-usb2.c
index 637a5fbae6d9..0ad4c7160d17 100644
--- a/drivers/phy/sunplus/phy-sunplus-usb2.c
+++ b/drivers/phy/sunplus/phy-sunplus-usb2.c
@@ -116,11 +116,11 @@ static int sp_uphy_init(struct phy *phy)
ret = clk_prepare_enable(usbphy->phy_clk);
if (ret)
- goto err_clk;
+ return ret;
ret = reset_control_deassert(usbphy->rstc);
if (ret)
- goto err_reset;
+ goto err_clk;
/* Default value modification */
writel(HIGH_MASK_BITS | 0x4002, usbphy->moon4_regs + UPHY_CONTROL0);
@@ -129,7 +129,7 @@ static int sp_uphy_init(struct phy *phy)
/* disconnect voltage */
ret = update_disc_vol(usbphy);
if (ret < 0)
- return ret;
+ goto err_reset;
/* board uphy 0 internal register modification for tid certification */
val = readl(usbphy->phy_regs + CONFIG9);
---
base-commit: 415606a7be939835db9b0d6b711887586646346d
change-id: 20260803-sunplus-usb3-ba6c829bc063
Best regards,
--
Felix Gu <ustc.gu at gmail.com>
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