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-rw-r--r--arch/arm/mach-ep93xx/gpio.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c
index cf547ad7ebd4..bec34b834958 100644
--- a/arch/arm/mach-ep93xx/gpio.c
+++ b/arch/arm/mach-ep93xx/gpio.c
@@ -112,13 +112,13 @@ static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(gpio_irq);
}
-static void ep93xx_gpio_irq_ack(unsigned int irq)
+static void ep93xx_gpio_irq_ack(struct irq_data *d)
{
- int line = irq_to_gpio(irq);
+ int line = irq_to_gpio(d->irq);
int port = line >> 3;
int port_mask = 1 << (line & 7);
- if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
+ if ((irq_desc[d->irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
gpio_int_type2[port] ^= port_mask; /* switch edge direction */
ep93xx_gpio_update_int_params(port);
}
@@ -126,13 +126,13 @@ static void ep93xx_gpio_irq_ack(unsigned int irq)
__raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
}
-static void ep93xx_gpio_irq_mask_ack(unsigned int irq)
+static void ep93xx_gpio_irq_mask_ack(struct irq_data *d)
{
- int line = irq_to_gpio(irq);
+ int line = irq_to_gpio(d->irq);
int port = line >> 3;
int port_mask = 1 << (line & 7);
- if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH)
+ if ((irq_desc[d->irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH)
gpio_int_type2[port] ^= port_mask; /* switch edge direction */
gpio_int_unmasked[port] &= ~port_mask;
@@ -141,18 +141,18 @@ static void ep93xx_gpio_irq_mask_ack(unsigned int irq)
__raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
}
-static void ep93xx_gpio_irq_mask(unsigned int irq)
+static void ep93xx_gpio_irq_mask(struct irq_data *d)
{
- int line = irq_to_gpio(irq);
+ int line = irq_to_gpio(d->irq);
int port = line >> 3;
gpio_int_unmasked[port] &= ~(1 << (line & 7));
ep93xx_gpio_update_int_params(port);
}
-static void ep93xx_gpio_irq_unmask(unsigned int irq)
+static void ep93xx_gpio_irq_unmask(struct irq_data *d)
{
- int line = irq_to_gpio(irq);
+ int line = irq_to_gpio(d->irq);
int port = line >> 3;
gpio_int_unmasked[port] |= 1 << (line & 7);
@@ -164,10 +164,10 @@ static void ep93xx_gpio_irq_unmask(unsigned int irq)
* edge (1) triggered, while gpio_int_type2 controls whether it
* triggers on low/falling (0) or high/rising (1).
*/
-static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type)
+static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
{
- struct irq_desc *desc = irq_desc + irq;
- const int gpio = irq_to_gpio(irq);
+ struct irq_desc *desc = irq_desc + d->irq;
+ const int gpio = irq_to_gpio(d->irq);
const int port = gpio >> 3;
const int port_mask = 1 << (gpio & 7);
@@ -220,11 +220,11 @@ static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type)
static struct irq_chip ep93xx_gpio_irq_chip = {
.name = "GPIO",
- .ack = ep93xx_gpio_irq_ack,
- .mask_ack = ep93xx_gpio_irq_mask_ack,
- .mask = ep93xx_gpio_irq_mask,
- .unmask = ep93xx_gpio_irq_unmask,
- .set_type = ep93xx_gpio_irq_type,
+ .irq_ack = ep93xx_gpio_irq_ack,
+ .irq_mask_ack = ep93xx_gpio_irq_mask_ack,
+ .irq_mask = ep93xx_gpio_irq_mask,
+ .irq_unmask = ep93xx_gpio_irq_unmask,
+ .irq_set_type = ep93xx_gpio_irq_type,
};
void __init ep93xx_gpio_init_irq(void)
@@ -427,6 +427,13 @@ void __init ep93xx_gpio_init(void)
{
int i;
+ /* Set Ports C, D, E, G, and H for GPIO use */
+ ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS |
+ EP93XX_SYSCON_DEVCFG_GONK |
+ EP93XX_SYSCON_DEVCFG_EONIDE |
+ EP93XX_SYSCON_DEVCFG_GONIDE |
+ EP93XX_SYSCON_DEVCFG_HONIDE);
+
for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++)
gpiochip_add(&ep93xx_gpio_banks[i].chip);
}