gpio/mxs: remove irq_high related implementation

The irq_high stuff was mistakenly copied from mxc gpio driver.
The mxs gpio controller has only one irq line for each 32-pin
gpio port.  The patch remove irq_high related codes.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 9d2dba7..ddde0f4 100644 (file)
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -53,7 +53,6 @@ struct mxs_gpio_port {
        void __iomem *base;
        int id;
        int irq;
-       int irq_high;
        int virtual_irq_start;
        struct bgpio_chip bgc;
 };
@@ -174,21 +173,12 @@ static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc)
  */
 static int mxs_gpio_set_wake_irq(struct irq_data *d, unsigned int enable)
 {
-       u32 gpio = irq_to_gpio(d->irq);
-       u32 gpio_idx = gpio & 0x1f;
        struct mxs_gpio_port *port = irq_data_get_irq_chip_data(d);
 
-       if (enable) {
-               if (port->irq_high && (gpio_idx >= 16))
-                       enable_irq_wake(port->irq_high);
-               else
-                       enable_irq_wake(port->irq);
-       } else {
-               if (port->irq_high && (gpio_idx >= 16))
-                       disable_irq_wake(port->irq_high);
-               else
-                       disable_irq_wake(port->irq);
-       }
+       if (enable)
+               enable_irq_wake(port->irq);
+       else
+               disable_irq_wake(port->irq);
 
        return 0;
 }