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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c
index e8120fadf385..9fb53c921d46 100644
--- 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;