diff options
author | David S. Miller <davem@davemloft.net> | 2009-09-24 15:13:11 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-09-24 15:13:11 -0700 |
commit | 8b3f6af86378d0a10ca2f1ded1da124aef13b62c (patch) | |
tree | de6ca90295730343c495be8d98be8efa322140ef /arch/arm/mach-at91/gpio.c | |
parent | 139d6065c83071d5f66cd013a274a43699f8e2c1 (diff) | |
parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/staging/Kconfig
drivers/staging/Makefile
drivers/staging/cpc-usb/TODO
drivers/staging/cpc-usb/cpc-usb_drv.c
drivers/staging/cpc-usb/cpc.h
drivers/staging/cpc-usb/cpc_int.h
drivers/staging/cpc-usb/cpcusb.h
Diffstat (limited to 'arch/arm/mach-at91/gpio.c')
-rw-r--r-- | arch/arm/mach-at91/gpio.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index f2236f0e101f..ae4772e744ac 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -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; |