diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-mmio.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/gpio/gpio-mmio.c b/drivers/gpio/gpio-mmio.c index f172b4382d8d..04be18b95485 100644 --- a/drivers/gpio/gpio-mmio.c +++ b/drivers/gpio/gpio-mmio.c @@ -134,17 +134,6 @@ static int bgpio_get_set(struct gpio_chip *gc, unsigned int gpio) unsigned long pinmask = bgpio_line2mask(gc, gpio); bool dir = !!(gc->bgpio_dir & pinmask); - /* - * If the direction is OUT we read the value from the SET - * register, and if the direction is IN we read the value - * from the DAT register. - * - * If the direction bits are inverted, naturally this gets - * inverted too. - */ - if (gc->bgpio_dir_inverted) - dir = !dir; - if (dir) return !!(gc->read_reg(gc->reg_set) & pinmask); else @@ -164,14 +153,8 @@ static int bgpio_get_set_multiple(struct gpio_chip *gc, unsigned long *mask, /* Make sure we first clear any bits that are zero when we read the register */ *bits &= ~*mask; - /* Exploit the fact that we know which directions are set */ - if (gc->bgpio_dir_inverted) { - set_mask = *mask & ~gc->bgpio_dir; - get_mask = *mask & gc->bgpio_dir; - } else { - set_mask = *mask & gc->bgpio_dir; - get_mask = *mask & ~gc->bgpio_dir; - } + set_mask = *mask & gc->bgpio_dir; + get_mask = *mask & ~gc->bgpio_dir; if (set_mask) *bits |= gc->read_reg(gc->reg_set) & set_mask; |