usb: ohci-generic: don't probe fail if there is no clk_enable() ops
Some clock driver do not have a clk_enable() call back, and we should not
treat this as fail in ehci probe like other modules, eg. clk_enabl_bulk()
do not return fail if ret value is '-ENOSYS'
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c
index 24b5c31..916ea0b 100644
--- a/drivers/usb/host/ohci-generic.c
+++ b/drivers/usb/host/ohci-generic.c
@@ -95,7 +95,7 @@
break;
err = clk_enable(&priv->clocks[i]);
- if (err) {
+ if (err && err != -ENOSYS) {
dev_err(dev, "failed to enable clock %d\n", i);
clk_free(&priv->clocks[i]);
goto clk_err;