gpio-rcar: Make the platform data gpio_base field signed

The gpio_base field is used to specify the desired GPIO base for the
GPIO controller. The GPIO core can automatically allocate a GPIO number
range when the base is set to -1. To make this possible, make the field
signed.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/platform_data/gpio-rcar.h b/include/linux/platform_data/gpio-rcar.h
index b253f77a7ddf..aba7079ccc95 100644
--- a/include/linux/platform_data/gpio-rcar.h
+++ b/include/linux/platform_data/gpio-rcar.h
@@ -17,7 +17,7 @@
 #define __GPIO_RCAR_H__
 
 struct gpio_rcar_config {
-        unsigned int gpio_base;
+        int gpio_base;
         unsigned int irq_base;
         unsigned int number_of_pins;
         const char *pctl_name;