[ARM] 4232/1: AT91: Generic GPIO bug

The new gpio_direction_input() and gpio_direction_output() functions
were both enabling output mode.  When configuring a GPIO for input mode,
you need to program the ODR (Output Disable Register).
Signed-off-by: NAndrew Victor <andrew@sanpeople.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-at91/gpio.c

@@ -210,7 +210,7 @@ int gpio_direction_input(unsigned pin)
 
 	if (!pio || !(__raw_readl(pio + PIO_PSR) & mask))
 		return -EINVAL;
-	__raw_writel(mask, pio + PIO_OER);
+	__raw_writel(mask, pio + PIO_ODR);
 	return 0;
 }
 EXPORT_SYMBOL(gpio_direction_input);