phy: rockchip: handle clock without enable function
If a clock doesn't supply the enable hook, clk_enable() will return
-ENOSYS. In this case the clock is always enabled so there is no error
and the phy initialisation should continue.
Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 62b8ba3..b32a498 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -119,7 +119,7 @@
int ret;
ret = clk_enable(&priv->phyclk);
- if (ret) {
+ if (ret && ret != -ENOSYS) {
dev_err(phy->dev, "failed to enable phyclk (ret=%d)\n", ret);
return ret;
}