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>

diff --git a/include/linux/platform_data/gpio-rcar.h b/include/linux/platform_data/gpio-rcar.h
index b253f77a7ddf6ba4db532cdbeeae43cf7b1e16df..aba7079ccc95c0317b0d6c55d5f3fb449f8642ce 100644 (file)
--- 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;