imx: Add GPIO_TO_PORT macro in the mxc_gpio driver

Add GPIO_TO_PORT macro in the mxc_gpio.c driver

Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>

diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
index df6bbbbc4befbaa15501aebb4eb7384e5ebb70ce..7e65b39a7581df0928fb9168e6bf09c13cb93b93 100644 (file)
--- a/drivers/gpio/mxc_gpio.c
+++ b/drivers/gpio/mxc_gpio.c
@@ -34,6 +34,7 @@ enum mxc_gpio_direction {
        MXC_GPIO_DIRECTION_OUT,
 };
 
+#define GPIO_TO_PORT(n)                (n / 32)
 
 /* GPIO port description */
 static unsigned long gpio_ports[] = {