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usb: phy: make GPIOs optional for the generic phy 

The use of GPIOs should be optional for the generic phy, otherwise
the Altera SOCFPGA platform at least is broken.

Fixes breakage caused by a combination of e9f2cefb0c "usb: phy:
generic: migrate to gpio_desc" and 135b3c4304 "usb: dwc2: platform:
add generic PHY framework support".

Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Paul Zimmerman 2015-01-15 02:45:12 +00:00 committed by Felipe Balbi
parent 3c4c733ca9
commit da89dba1a0
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/phy/phy-generic.c
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@ -218,10 +218,10 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop,
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-gpios");
err = PTR_ERR(nop->gpiod_reset);
if (!err) {
nop->gpiod_vbus = devm_gpiod_get(dev,
nop->gpiod_vbus = devm_gpiod_get_optional(dev,
"vbus-detect-gpio");
err = PTR_ERR(nop->gpiod_vbus);
}