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Diffstat (limited to 'arch/arm/mach-pxa/irq.c')
-rw-r--r--arch/arm/mach-pxa/irq.c83
1 files changed, 35 insertions, 48 deletions
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 54e91c9e71c8..2693e3c3776f 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -53,37 +53,48 @@ static inline int cpu_has_ipr(void)
return !cpu_is_pxa25x();
}
-static void pxa_mask_irq(unsigned int irq)
+static inline void __iomem *irq_base(int i)
+{
+ static unsigned long phys_base[] = {
+ 0x40d00000,
+ 0x40d0009c,
+ 0x40d00130,
+ };
+
+ return (void __iomem *)io_p2v(phys_base[i]);
+}
+
+static void pxa_mask_irq(struct irq_data *d)
{
- void __iomem *base = get_irq_chip_data(irq);
+ void __iomem *base = irq_data_get_irq_chip_data(d);
uint32_t icmr = __raw_readl(base + ICMR);
- icmr &= ~(1 << IRQ_BIT(irq));
+ icmr &= ~(1 << IRQ_BIT(d->irq));
__raw_writel(icmr, base + ICMR);
}
-static void pxa_unmask_irq(unsigned int irq)
+static void pxa_unmask_irq(struct irq_data *d)
{
- void __iomem *base = get_irq_chip_data(irq);
+ void __iomem *base = irq_data_get_irq_chip_data(d);
uint32_t icmr = __raw_readl(base + ICMR);
- icmr |= 1 << IRQ_BIT(irq);
+ icmr |= 1 << IRQ_BIT(d->irq);
__raw_writel(icmr, base + ICMR);
}
static struct irq_chip pxa_internal_irq_chip = {
.name = "SC",
- .ack = pxa_mask_irq,
- .mask = pxa_mask_irq,
- .unmask = pxa_unmask_irq,
+ .irq_ack = pxa_mask_irq,
+ .irq_mask = pxa_mask_irq,
+ .irq_unmask = pxa_unmask_irq,
};
/*
* GPIO IRQs for GPIO 0 and 1
*/
-static int pxa_set_low_gpio_type(unsigned int irq, unsigned int type)
+static int pxa_set_low_gpio_type(struct irq_data *d, unsigned int type)
{
- int gpio = irq - IRQ_GPIO0;
+ int gpio = d->irq - IRQ_GPIO0;
if (__gpio_is_occupied(gpio)) {
pr_err("%s failed: GPIO is configured\n", __func__);
@@ -103,31 +114,17 @@ static int pxa_set_low_gpio_type(unsigned int irq, unsigned int type)
return 0;
}
-static void pxa_ack_low_gpio(unsigned int irq)
-{
- GEDR0 = (1 << (irq - IRQ_GPIO0));
-}
-
-static void pxa_mask_low_gpio(unsigned int irq)
-{
- struct irq_desc *desc = irq_to_desc(irq);
-
- desc->chip->mask(irq);
-}
-
-static void pxa_unmask_low_gpio(unsigned int irq)
+static void pxa_ack_low_gpio(struct irq_data *d)
{
- struct irq_desc *desc = irq_to_desc(irq);
-
- desc->chip->unmask(irq);
+ GEDR0 = (1 << (d->irq - IRQ_GPIO0));
}
static struct irq_chip pxa_low_gpio_chip = {
.name = "GPIO-l",
- .ack = pxa_ack_low_gpio,
- .mask = pxa_mask_low_gpio,
- .unmask = pxa_unmask_low_gpio,
- .set_type = pxa_set_low_gpio_type,
+ .irq_ack = pxa_ack_low_gpio,
+ .irq_mask = pxa_mask_irq,
+ .irq_unmask = pxa_unmask_irq,
+ .irq_set_type = pxa_set_low_gpio_type,
};
static void __init pxa_init_low_gpio_irq(set_wake_t fn)
@@ -141,22 +138,12 @@ static void __init pxa_init_low_gpio_irq(set_wake_t fn)
for (irq = IRQ_GPIO0; irq <= IRQ_GPIO1; irq++) {
set_irq_chip(irq, &pxa_low_gpio_chip);
+ set_irq_chip_data(irq, irq_base(0));
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID);
}
- pxa_low_gpio_chip.set_wake = fn;
-}
-
-static inline void __iomem *irq_base(int i)
-{
- static unsigned long phys_base[] = {
- 0x40d00000,
- 0x40d0009c,
- 0x40d00130,
- };
-
- return (void __iomem *)io_p2v(phys_base[i >> 5]);
+ pxa_low_gpio_chip.irq_set_wake = fn;
}
void __init pxa_init_irq(int irq_nr, set_wake_t fn)
@@ -168,7 +155,7 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
pxa_internal_irq_nr = irq_nr;
for (n = 0; n < irq_nr; n += 32) {
- void __iomem *base = irq_base(n);
+ void __iomem *base = irq_base(n >> 5);
__raw_writel(0, base + ICMR); /* disable all IRQs */
__raw_writel(0, base + ICLR); /* all IRQs are IRQ, not FIQ */
@@ -188,7 +175,7 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
/* only unmasked interrupts kick us out of idle */
__raw_writel(1, irq_base(0) + ICCR);
- pxa_internal_irq_chip.set_wake = fn;
+ pxa_internal_irq_chip.irq_set_wake = fn;
pxa_init_low_gpio_irq(fn);
}
@@ -200,7 +187,7 @@ static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state)
{
int i;
- for (i = 0; i < pxa_internal_irq_nr; i += 32) {
+ for (i = 0; i < pxa_internal_irq_nr / 32; i++) {
void __iomem *base = irq_base(i);
saved_icmr[i] = __raw_readl(base + ICMR);
@@ -219,14 +206,14 @@ static int pxa_irq_resume(struct sys_device *dev)
{
int i;
- for (i = 0; i < pxa_internal_irq_nr; i += 32) {
+ for (i = 0; i < pxa_internal_irq_nr / 32; i++) {
void __iomem *base = irq_base(i);
__raw_writel(saved_icmr[i], base + ICMR);
__raw_writel(0, base + ICLR);
}
- if (!cpu_is_pxa25x())
+ if (cpu_has_ipr())
for (i = 0; i < pxa_internal_irq_nr; i++)
__raw_writel(saved_ipr[i], IRQ_BASE + IPR(i));