openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Blackfin arch: unify port_setup() to reduce arch differences 

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-10-28 15:53:37 +08:00 committed by Bryan Wu
parent 6c7ec0ec93
commit a2d03a1d8e
1 changed files with 11 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
arch/blackfin/kernel/bfin_gpio.c
View File

@ -261,29 +261,25 @@ static int cmp_label(unsigned short ident, const char *label)
return -EINVAL;
}
static void port_setup(unsigned gpio, unsigned short usage)
{
if (check_gpio(gpio))
return;
#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 (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 {