[U-Boot] [PATCH 1/6] usb: ehci-generic: don't probe fail if there is no clk_enable() ops

[Kever Yang]

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 at rock-chips.com>
---

 drivers/usb/host/ehci-generic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c
index 0270f3bc95..682a070306 100644
--- a/drivers/usb/host/ehci-generic.c
+++ b/drivers/usb/host/ehci-generic.c
@@ -96,7 +96,7 @@ static int ehci_usb_probe(struct udevice *dev)
 			if (err < 0)
 				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;
-- 
2.17.1