diff options
| author | Phil Sutter <n0-1@freewrt.org> | 2009-01-22 19:32:43 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-01-30 21:33:01 +0000 |
| commit | 0fc6bc0d6e953f6dd80c286c889d8d581e8f8d7a (patch) | |
| tree | e1f055c238ca395c32cd52a8869204cc148dbc53 | |
| parent | 3828ee047d3c8e0d0e8e9f4d738bd8593220299a (diff) | |
| download | linux-0fc6bc0d6e953f6dd80c286c889d8d581e8f8d7a.tar.bz2 | |
MIPS: RB532: Export rb532_gpio_set_func()
This kernel symbol provides a way for drivers to switch on alternate
function for a certain GPIO pin. Turning it off is done implicitly when
changing the GPIO direction, as that would be fixed when using the given
pin als alternate function.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/include/asm/mach-rc32434/gpio.h | 1 | ||||
| -rw-r--r-- | arch/mips/rb532/gpio.c | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h index ca92c81f4067..3cb50d17b62d 100644 --- a/arch/mips/include/asm/mach-rc32434/gpio.h +++ b/arch/mips/include/asm/mach-rc32434/gpio.h @@ -82,5 +82,6 @@ struct rb532_gpio_reg { extern void rb532_gpio_set_ilevel(int bit, unsigned gpio); extern void rb532_gpio_set_istat(int bit, unsigned gpio); +extern void rb532_gpio_set_func(unsigned gpio); #endif /* _RC32434_GPIO_H_ */ diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index f33868159826..37de05d595e7 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -174,10 +174,11 @@ EXPORT_SYMBOL(rb532_gpio_set_istat); /* * Configure GPIO alternate function */ -static void rb532_gpio_set_func(int bit, unsigned gpio) +void rb532_gpio_set_func(unsigned gpio) { - rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOFUNC); + rb532_set_bit(1, gpio, rb532_gpio_chip->regbase + GPIOFUNC); } +EXPORT_SYMBOL(rb532_gpio_set_func); int __init rb532_gpio_init(void) { |