USB: EHCI: ehci-mv: make the PHY optional

We may be using a NOP transceiver and those are treated specially by the
USB core and return -ENODEV with devm_phy_get().

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191221065008.266445-3-lkundrak@v3.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index 66ec1fd..d476a25 100644 (file)
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -116,7 +116,7 @@ static int mv_ehci_probe(struct platform_device *pdev)
                ehci_mv->set_vbus = pdata->set_vbus;
        }
 
-       ehci_mv->phy = devm_phy_get(&pdev->dev, "usb");
+       ehci_mv->phy = devm_phy_optional_get(&pdev->dev, "usb");
        if (IS_ERR(ehci_mv->phy)) {
                retval = PTR_ERR(ehci_mv->phy);
                if (retval != -EPROBE_DEFER)