From: Arnd Bergmann Date: Wed, 19 Jun 2013 11:27:27 +0000 (+0200) Subject: usb: gadget: at91_udc: call at91udc_of_init only when needed X-Git-Tag: v3.11-rc3~9^2~20^2~14 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ae40d64b1f2db93d7b092e6425a2f716289fbd09;p=linux.git 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: Arnd Bergmann Cc: Felipe Balbi Cc: Nicolas Ferre Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 073b938f9135..2cbab1c9ff58 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1725,7 +1725,7 @@ static int at91udc_probe(struct platform_device *pdev) /* init software state */ udc = &controller; udc->gadget.dev.parent = dev; - if (pdev->dev.of_node) + if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) at91udc_of_init(udc, pdev->dev.of_node); else memcpy(&udc->board, dev->platform_data,