pinctrl: rockchip: Simplify pin_to_bank equation

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>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 7eb1249883e7..51a7c24981d1 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;