pinctrl: nsp-gpio: forever loop in nsp_gpio_get_strength()

There is a signedness bug here so the loop will never exit.

Fixes: 8bfcbbbcabe0 ('pinctrl: nsp: add gpio-a driver support for Broadcom NSP SoC')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
index 1f66761..725c36f 100644 (file)
--- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
+++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c
@@ -439,9 +439,10 @@ static int nsp_gpio_set_strength(struct nsp_gpio *chip, unsigned gpio,
 static int nsp_gpio_get_strength(struct nsp_gpio *chip, unsigned gpio,
                                 u16 *strength)
 {
-       unsigned int i, offset, shift;
+       unsigned int offset, shift;
        u32 val;
        unsigned long flags;
+       int i;
 
        offset = NSP_GPIO_DRV_CTRL;
        shift = gpio;