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phy: stm32: fix error return in stm32_usbphyc_phy_init

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[ Upstream commit 32b378a917 ]

Error code is overridden, in case the PLL doesn't lock. So, the USB
initialization can continue. This leads to a platform freeze.
This can be avoided by returning proper error code to avoid USB probe
freezing the platform. It also displays proper errors in log.

Fixes: 5b1af71280 ("phy: stm32: rework PLL Lock detection")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20220713133953.595134-1-fabrice.gasnier@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Fabrice Gasnier
2022-07-13 15:39:53 +02:00
committed by Greg Kroah-Hartman
parent 3f2989ed95
commit 52537ea892
1 changed files with 3 additions and 1 deletions
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drivers/phy/st/phy-stm32-usbphyc.c
+3 -1
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@@ -279,7 +279,9 @@ static int stm32_usbphyc_phy_init(struct phy *phy)
return 0;
pll_disable:
return stm32_usbphyc_pll_disable(usbphyc);
stm32_usbphyc_pll_disable(usbphyc);
return ret;
}
static int stm32_usbphyc_phy_exit(struct phy *phy)