aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91/gpio.c')
-rw-r--r--arch/arm/mach-at91/gpio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c
index 44211a0af19a..ba4a1bb3ee40 100644
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -215,13 +215,14 @@ int gpio_direction_input(unsigned pin)
215} 215}
216EXPORT_SYMBOL(gpio_direction_input); 216EXPORT_SYMBOL(gpio_direction_input);
217 217
218int gpio_direction_output(unsigned pin) 218int gpio_direction_output(unsigned pin, int value)
219{ 219{
220 void __iomem *pio = pin_to_controller(pin); 220 void __iomem *pio = pin_to_controller(pin);
221 unsigned mask = pin_to_mask(pin); 221 unsigned mask = pin_to_mask(pin);
222 222
223 if (!pio || !(__raw_readl(pio + PIO_PSR) & mask)) 223 if (!pio || !(__raw_readl(pio + PIO_PSR) & mask))
224 return -EINVAL; 224 return -EINVAL;
225 __raw_writel(mask, pio + (value ? PIO_SODR : PIO_CODR));
225 __raw_writel(mask, pio + PIO_OER); 226 __raw_writel(mask, pio + PIO_OER);
226 return 0; 227 return 0;
227} 228}