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path: root/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
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Diffstat (limited to 'drivers/phy/rockchip/phy-rockchip-inno-usb2.c')
-rw-r--r--drivers/phy/rockchip/phy-rockchip-inno-usb2.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 9f95b587e2c0..fac390e1f8de 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1090,12 +1090,21 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev)
rphy->usbgrf = NULL;
}
- if (of_property_read_u32(np, "reg", &reg)) {
+ if (of_property_read_u32_index(np, "reg", 0, &reg)) {
dev_err(dev, "the reg property is not assigned in %pOFn node\n",
np);
return -EINVAL;
}
+ /* support address_cells=2 */
+ if (reg == 0) {
+ if (of_property_read_u32_index(np, "reg", 1, &reg)) {
+ dev_err(dev, "the reg property is not assigned in %pOFn node\n",
+ np);
+ return -EINVAL;
+ }
+ }
+
rphy->dev = dev;
phy_cfgs = match->data;
rphy->chg_state = USB_CHG_STATE_UNDEFINED;