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>

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 7eb1249883e755920512ffa89973c48721c3c13c..51a7c24981d1389e64981042e52b3526135b4b95 100644 (file)
--- 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;