[PATCH] pinctrl: rockchip: Simplify pin_to_bank equation

Axel Lin
2013-08-23T07:49:07Z

If (b->pin_base + b->nr_pins - 1) < pin is true, pin >= b->pin_base is always
true because b->nr_pins is never less than 0.
Thus this patch simplify the equation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/pinctrl/pinctrl-rockchip.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 319a64a..ea27806 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -186,8 +186,7 @@ static struct rockchip_pin_bank *pin_to_bank(struct rockchip_pinctrl *info,
{
struct rockchip_pin_bank *b = info->ctrl->pin_banks;

- while ((pin >= b->pin_base) &&
- ((b->pin_base + b->nr_pins - 1) < pin))
+ while (pin >= (b->pin_base + b->nr_pins))
b++;

return b;
--
1.8.1.2