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usb: ehci-orion: fix probe for !GENERIC_PHY

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Commit d445913ce0 ("usb: ehci-orion: add optional PHY support")
added support for optional phys, but devm_phy_optional_get returns
-ENOSYS if GENERIC_PHY is not enabled.

This causes probe failures, even when there are no phys specified:

[    1.443365] orion-ehci f1058000.usb: init f1058000.usb fail, -38
[    1.449403] orion-ehci: probe of f1058000.usb failed with error -38

Similar to dwc3, treat -ENOSYS as no phy.

Fixes: d445913ce0 ("usb: ehci-orion: add optional PHY support")

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jonas Gorski 2015-08-23 15:01:08 +02:00 committed by Greg Kroah-Hartman
parent 17a364e2ec
commit db1319e166
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/host/ehci-orion.c
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@ -224,7 +224,8 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
if (IS_ERR(priv->phy)) {
err = PTR_ERR(priv->phy);
goto err_phy_get;
if (err != -ENOSYS)
goto err_phy_get;
} else {
err = phy_init(priv->phy);
if (err)