usb: gadget: at91_udc: call at91udc_of_init only when needed
This avoids a build error in at91sam9261_9g10_defconfig: drivers/usb/gadget/at91_udc.c: In function 'at91udc_probe': drivers/usb/gadget/at91_udc.c:1685:34: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] board->vbus_active_low = (flags & OF_GPIO_ACTIVE_LOW) ? 1 : 0; ^ drivers/usb/gadget/at91_udc.c:1678:21: note: 'flags' was declared here enum of_gpio_flags flags; ^ Making the call to at91udc_of_init conditinal also reduces the object code size without sacrificing build coverage. Signed-off-by: NArnd Bergmann <arnd@arndb.de> Cc: Felipe Balbi <balbi@ti.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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