Commit 886ab3da authored Oct 11, 2010 by Peter Korsgaard Committed by Sascha Hauer Oct 11, 2010

mxc/gpio: make _set_value work with values != 0/1



Documentation/gpio.txt specifies that the value argument to
gpio_set_value() should be handled as a boolean (E.G. != 0 is high),
so use the same logic as in _set_direction().

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

parent 9524705c

arch/arm/plat-mxc/gpio.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -235,7 +235,7 @@ static void mxc_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
		unsigned long flags;

		spin_lock_irqsave(&port->lock, flags);
		l = (__raw_readl(reg) & (~(1 << offset))) \| (value << offset);
		l = (__raw_readl(reg) & (~(1 << offset))) \| (!!value << offset);
		__raw_writel(l, reg);
		spin_unlock_irqrestore(&port->lock, flags);
		}