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Diffstat (limited to 'arch/m68k/platform/coldfire/gpio.c')
-rw-r--r--arch/m68k/platform/coldfire/gpio.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/arch/m68k/platform/coldfire/gpio.c b/arch/m68k/platform/coldfire/gpio.c
index 9cd2b5c70519..e7e428681ec5 100644
--- a/arch/m68k/platform/coldfire/gpio.c
+++ b/arch/m68k/platform/coldfire/gpio.c
@@ -76,10 +76,7 @@ int __mcfgpio_direction_output(unsigned gpio, int value)
local_irq_save(flags);
data = mcfgpio_read(__mcfgpio_pddr(gpio));
- if (value)
- data |= mcfgpio_bit(gpio);
- else
- data &= mcfgpio_bit(gpio);
+ data |= mcfgpio_bit(gpio);
mcfgpio_write(data, __mcfgpio_pddr(gpio));
/* now set the data to output */
@@ -117,37 +114,51 @@ EXPORT_SYMBOL(__mcfgpio_free);
#ifdef CONFIG_GPIOLIB
-int mcfgpio_direction_input(struct gpio_chip *chip, unsigned offset)
+static int mcfgpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
return __mcfgpio_direction_input(offset);
}
-int mcfgpio_get_value(struct gpio_chip *chip, unsigned offset)
+static int mcfgpio_get_value(struct gpio_chip *chip, unsigned offset)
{
return __mcfgpio_get_value(offset);
}
-int mcfgpio_direction_output(struct gpio_chip *chip, unsigned offset, int value)
+static int mcfgpio_direction_output(struct gpio_chip *chip, unsigned offset,
+ int value)
{
return __mcfgpio_direction_output(offset, value);
}
-void mcfgpio_set_value(struct gpio_chip *chip, unsigned offset, int value)
+static void mcfgpio_set_value(struct gpio_chip *chip, unsigned offset,
+ int value)
{
__mcfgpio_set_value(offset, value);
}
-int mcfgpio_request(struct gpio_chip *chip, unsigned offset)
+static int mcfgpio_request(struct gpio_chip *chip, unsigned offset)
{
return __mcfgpio_request(offset);
}
-void mcfgpio_free(struct gpio_chip *chip, unsigned offset)
+static void mcfgpio_free(struct gpio_chip *chip, unsigned offset)
{
__mcfgpio_free(offset);
}
-struct bus_type mcfgpio_subsys = {
+static int mcfgpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+#if defined(MCFGPIO_IRQ_MIN)
+ if ((offset >= MCFGPIO_IRQ_MIN) && (offset < MCFGPIO_IRQ_MAX))
+#else
+ if (offset < MCFGPIO_IRQ_MAX)
+#endif
+ return MCFGPIO_IRQ_VECBASE + offset;
+ else
+ return -EINVAL;
+}
+
+static struct bus_type mcfgpio_subsys = {
.name = "gpio",
.dev_name = "gpio",
};
@@ -160,6 +171,7 @@ static struct gpio_chip mcfgpio_chip = {
.direction_output = mcfgpio_direction_output,
.get = mcfgpio_get_value,
.set = mcfgpio_set_value,
+ .to_irq = mcfgpio_to_irq,
.base = 0,
.ngpio = MCFGPIO_PIN_MAX,
};