Commit fb119dcb authored by Thinh Nguyen's avatar Thinh Nguyen Committed by Greg Kroah-Hartman
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Revert "usb: dwc3: Remove the checks of -ENOSYS" 



This reverts commit df22ecc4.

If CONFIG_GENERIC_PHY is not enabled, then the devm_phy_get() returns
-ENOSYS. Don't remove this check.

Fixes: df22ecc4 ("usb: dwc3: Remove the checks of -ENOSYS")
Cc: Kushagra Verma <kushagra765@outlook.com>
Signed-off-by: default avatarThinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/eb1df7ef954b5af093c0528982db52a41df18615.1655255152.git.Thinh.Nguyen@synopsys.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 22fe2b36

drivers/usb/dwc3/core.c

+2 −2
Original line number Diff line number Diff line
@@ -1318,7 +1318,7 @@ static int dwc3_core_get_phy(struct dwc3 *dwc) 
	dwc->usb2_generic_phy = devm_phy_get(dev, "usb2-phy");

	if (IS_ERR(dwc->usb2_generic_phy)) {

		ret = PTR_ERR(dwc->usb2_generic_phy);

		if (ret == -ENODEV)

		if (ret == -ENOSYS || ret == -ENODEV)

			dwc->usb2_generic_phy = NULL;

		else

			return dev_err_probe(dev, ret, "no usb2 phy configured\n");
@@ -1327,7 +1327,7 @@ static int dwc3_core_get_phy(struct dwc3 *dwc) 
	dwc->usb3_generic_phy = devm_phy_get(dev, "usb3-phy");

	if (IS_ERR(dwc->usb3_generic_phy)) {

		ret = PTR_ERR(dwc->usb3_generic_phy);

		if (ret == -ENODEV)

		if (ret == -ENOSYS || ret == -ENODEV)

			dwc->usb3_generic_phy = NULL;

		else

			return dev_err_probe(dev, ret, "no usb3 phy configured\n");