Felipe Balbi e8d891fb7b usb: phy: gpio-vbus: don't ignore regulator APIs return value
Due to recent changes to regulator API, all
users which don't check regulator_{en,dis}able()'s
return value will generate compile warnings.

Add such checks to gpio-vbus.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-20 08:01:53 +02:00
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