Merge branch 'agp-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[pandora-kernel.git] / arch / arm / mach-at91 / gpio.c
index f2236f0..ae4772e 100644 (file)
@@ -44,13 +44,11 @@ static int at91_gpiolib_direction_output(struct gpio_chip *chip,
                                         unsigned offset, int val);
 static int at91_gpiolib_direction_input(struct gpio_chip *chip,
                                        unsigned offset);
-static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset);
 
 #define AT91_GPIO_CHIP(name, base_gpio, nr_gpio)                       \
        {                                                               \
                .chip = {                                               \
                        .label            = name,                       \
-                       .request          = at91_gpiolib_request,       \
                        .direction_input  = at91_gpiolib_direction_input, \
                        .direction_output = at91_gpiolib_direction_output, \
                        .get              = at91_gpiolib_get,           \
@@ -588,19 +586,6 @@ static void at91_gpiolib_set(struct gpio_chip *chip, unsigned offset, int val)
        __raw_writel(mask, pio + (val ? PIO_SODR : PIO_CODR));
 }
 
-static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset)
-{
-       unsigned pin = chip->base + offset;
-       void __iomem *pio = pin_to_controller(pin);
-       unsigned mask = pin_to_mask(pin);
-
-       /* Cannot request GPIOs that are in alternate function mode */
-       if (!(__raw_readl(pio + PIO_PSR) & mask))
-               return -EPERM;
-
-       return 0;
-}
-
 static void at91_gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 {
        int i;