Messages in this thread Patch in this message | | | From | Paul Cercueil <> | Subject | [PATCH v2] USB: PHY: JZ4770: Fix uninitialized value written to HW register | Date | Thu, 27 Aug 2020 15:14:25 +0200 |
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The 'reg' value was written to a hardware register in ingenic_usb_phy_init(), while not being initialized anywhere.
Fixes: 2a6c0b82e651 ("USB: PHY: JZ4770: Add support for new Ingenic SoCs.") Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- drivers/usb/phy/phy-jz4770.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/usb/phy/phy-jz4770.c b/drivers/usb/phy/phy-jz4770.c index d4ee3cb721ea..f6d3731581eb 100644 --- a/drivers/usb/phy/phy-jz4770.c +++ b/drivers/usb/phy/phy-jz4770.c @@ -176,6 +176,7 @@ static int ingenic_usb_phy_init(struct usb_phy *phy) /* Wait for PHY to reset */ usleep_range(30, 300); + reg = readl(priv->base + REG_USBPCR_OFFSET); writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET); usleep_range(300, 1000); -- 2.28.0
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