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usb: dwc3: xilinx: fix uninitialized return value
commitb470947c36
upstream. A previous patch to skip part of the initialization when a USB3 PHY was not present could result in the return value being uninitialized in that case, causing spurious probe failures. Initialize ret to 0 to avoid this. Fixes:9678f3361a
("usb: dwc3: xilinx: Skip resets and USB3 register settings for USB2.0 mode") Cc: <stable@vger.kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Robert Hancock <robert.hancock@calian.com> Link: https://lore.kernel.org/r/20220127221500.177021-1-robert.hancock@calian.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -99,7 +99,7 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data)
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struct device *dev = priv_data->dev;
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struct reset_control *crst, *hibrst, *apbrst;
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struct phy *usb3_phy;
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int ret;
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int ret = 0;
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u32 reg;
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usb3_phy = devm_phy_optional_get(dev, "usb3-phy");
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