tree fad1ce6ff0303e49852d15ce958cc7f10e31c341
parent e6418fcc8adaa5c3911295cbe7ddd368b9788616
author Markus Pargmann <mpa@pengutronix.de> 1383034763 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1383091098 -0700

w1-gpio: Detect of_gpio_error for first gpio

The first DT gpio is necessary for this driver, but errors returned for
of_get_gpio are ignored.

This patch adds a return value check for the first of_get_gpio.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>