pinctrl-adi2: change irq_base from usigned int to int

Negative irq_base means this gpio port doens't support interrupts.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c
index e8120fa..9fb53c9 100644 (file)
--- a/drivers/pinctrl/pinctrl-adi2.c
+++ b/drivers/pinctrl/pinctrl-adi2.c
@@ -173,7 +173,7 @@ struct adi_pinctrl {
 struct gpio_port {
        struct list_head node;
        void __iomem *base;
-       unsigned int irq_base;
+       int irq_base;
        unsigned int width;
        struct gpio_port_t *regs;
        struct gpio_port_saved saved_data;