gpio: pl061: convert to use 0 for no irq

We don't want drivers using NO_IRQ, so remove its use. For now, 0 or
-1 means no irq until platforms are converted to use 0.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.ml.walleij@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 0f718f9bbd8c..fe19dec4b117 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -53,7 +53,7 @@ struct pl061_gpio {
         spinlock_t              irq_lock;       /* IRQ registers */
 
         void __iomem            *base;
-        unsigned                irq_base;
+        int                     irq_base;
         struct gpio_chip        gc;
 };
 
@@ -119,7 +119,7 @@ static int pl061_to_irq(struct gpio_chip *gc, unsigned offset)
 {
         struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc);
 
-        if (chip->irq_base == NO_IRQ)
+        if (chip->irq_base <= 0)
                 return -EINVAL;
 
         return chip->irq_base + offset;
@@ -250,7 +250,7 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
                 chip->irq_base = pdata->irq_base;
         } else if (dev->dev.of_node) {
                 chip->gc.base = -1;
-                chip->irq_base = NO_IRQ;
+                chip->irq_base = 0;
         } else {
                 ret = -ENODEV;
                 goto free_mem;
@@ -290,7 +290,7 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
          * irq_chip support
          */
 
-        if (chip->irq_base == NO_IRQ)
+        if (chip->irq_base <= 0)
                 return 0;
 
         writeb(0, chip->base + GPIOIE); /* disable irqs */