From a2d03a1d8e2562cc64a223485c06db9840ac3b2b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 28 Oct 2008 15:53:37 +0800 Subject: [PATCH] Blackfin arch: unify port_setup() to reduce arch differences Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/bfin_gpio.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 8d12853a64f..96090268e00 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -261,29 +261,25 @@ static int cmp_label(unsigned short ident, const char *label) return -EINVAL; } -#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY) static void port_setup(unsigned gpio, unsigned short usage) { - if (!check_gpio(gpio)) { - if (usage == GPIO_USAGE) - *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio); - else - *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio); - SSYNC(); - } -} + if (check_gpio(gpio)) + return; + +#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY) + if (usage == GPIO_USAGE) + *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio); + else + *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio); + SSYNC(); #elif defined(BF548_FAMILY) -static void port_setup(unsigned gpio, unsigned short usage) -{ if (usage == GPIO_USAGE) gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio); else gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio); SSYNC(); -} -#else -# define port_setup(...) do { } while (0) #endif +} #ifdef BF537_FAMILY static struct { -- 2.20.1