On Tue, Jan 27, 2015 at 12:16 PM, Fabio Estevam <[email protected]> wrote:
> On Tue, Jan 27, 2015 at 11:37 AM, <[email protected]> wrote:
>
>> Is in the right node, ie. the node that has compatible == "usb-nop-xceiv" ?
>
> Yes, it is correct since this commit:
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/imx51-babbage.dts?id=7a9f0604bd56936b2b18f49824e0e392dc7878c3
This is the patch I have applied:
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -218,11 +218,13 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_
clk_rate = 0;
needs_vcc = of_property_read_bool(node, "vcc-supply");
- nop->gpiod_reset = devm_gpiod_get(dev, "reset-gpios");
+ nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset");
+ if (!nop->gpiod_reset)
+ pr_err("******* failed to retrieve reset-gpios\n");
err = PTR_ERR(nop->gpiod_reset);
if (!err) {
- nop->gpiod_vbus = devm_gpiod_get(dev,
- "vbus-detect-gpio");
+ nop->gpiod_vbus = devm_gpiod_get_optional(dev,
+ "vbus-detect");
err = PTR_ERR(nop->gpiod_vbus);
}
} else if (pdata) {
and I am getting:
[ 0.127270] usbcore: registered new device driver usb
[ 0.127564] ******* failed to retrieve reset-gpios
[ 0.127677] usbphy:usbphy@0 supply vcc not found, using dummy regulator
[ 0.128234] usb_phy_generic usbphy:usbh1phy@0: Error requesting RESET GPIO
[ 0.128323] usb_phy_generic: probe of usbphy:usbh1phy@0 failed with
error -1643301316
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