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-rw-r--r--arch/arm/mach-pxa/include/mach/gpio.h15
-rw-r--r--arch/arm/mach-pxa/include/mach/irqs.h4
-rw-r--r--arch/arm/mach-pxa/irq.c58
3 files changed, 2 insertions, 75 deletions
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index 07fa3ba..13b9039 100644
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -29,20 +29,7 @@
#include "gpio-pxa.h"
#define gpio_to_irq(gpio) PXA_GPIO_TO_IRQ(gpio)
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- int gpio;
-
- if (irq == IRQ_GPIO0 || irq == IRQ_GPIO1)
- return irq - IRQ_GPIO0;
-
- gpio = irq - PXA_GPIO_IRQ_BASE;
- if (gpio >= 2 && gpio < NR_BUILTIN_GPIO)
- return gpio;
-
- return -1;
-}
+#define irq_to_gpio(irq) (irq - PXA_GPIO_TO_IRQ(0))
#include <plat/gpio.h>
#endif
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index 1f99664..b83d8ff 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -89,9 +89,7 @@
#define PXA_GPIO_IRQ_BASE PXA_IRQ(96)
#define PXA_GPIO_IRQ_NUM (192)
-
-#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x))
-#define PXA_GPIO_TO_IRQ(x) (((x) < 2) ? (IRQ_GPIO0 + (x)) : GPIO_2_x_TO_IRQ(x))
+#define PXA_GPIO_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x))
/*
* The following interrupts are for board specific purposes. Since
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 532c5d3..36c538f 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -92,44 +92,6 @@ static struct irq_chip pxa_internal_irq_chip = {
.irq_unmask = pxa_unmask_irq,
};
-/*
- * GPIO IRQs for GPIO 0 and 1
- */
-static int pxa_set_low_gpio_type(struct irq_data *d, unsigned int type)
-{
- int gpio = d->irq - IRQ_GPIO0;
-
- if (__gpio_is_occupied(gpio)) {
- pr_err("%s failed: GPIO is configured\n", __func__);
- return -EINVAL;
- }
-
- if (type & IRQ_TYPE_EDGE_RISING)
- GRER0 |= GPIO_bit(gpio);
- else
- GRER0 &= ~GPIO_bit(gpio);
-
- if (type & IRQ_TYPE_EDGE_FALLING)
- GFER0 |= GPIO_bit(gpio);
- else
- GFER0 &= ~GPIO_bit(gpio);
-
- return 0;
-}
-
-static void pxa_ack_low_gpio(struct irq_data *d)
-{
- GEDR0 = (1 << (d->irq - IRQ_GPIO0));
-}
-
-static struct irq_chip pxa_low_gpio_chip = {
- .name = "GPIO-l",
- .irq_ack = pxa_ack_low_gpio,
- .irq_mask = pxa_mask_irq,
- .irq_unmask = pxa_unmask_irq,
- .irq_set_type = pxa_set_low_gpio_type,
-};
-
asmlinkage void __exception_irq_entry icip_handle_irq(struct pt_regs *regs)
{
uint32_t icip, icmr, mask;
@@ -160,25 +122,6 @@ asmlinkage void __exception_irq_entry ichp_handle_irq(struct pt_regs *regs)
} while (1);
}
-static void __init pxa_init_low_gpio_irq(set_wake_t fn)
-{
- int irq;
-
- /* clear edge detection on GPIO 0 and 1 */
- GFER0 &= ~0x3;
- GRER0 &= ~0x3;
- GEDR0 = 0x3;
-
- for (irq = IRQ_GPIO0; irq <= IRQ_GPIO1; irq++) {
- irq_set_chip_and_handler(irq, &pxa_low_gpio_chip,
- handle_edge_irq);
- irq_set_chip_data(irq, irq_base(0));
- set_irq_flags(irq, IRQF_VALID);
- }
-
- pxa_low_gpio_chip.irq_set_wake = fn;
-}
-
void __init pxa_init_irq(int irq_nr, set_wake_t fn)
{
int irq, i, n;
@@ -209,7 +152,6 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
__raw_writel(1, irq_base(0) + ICCR);
pxa_internal_irq_chip.irq_set_wake = fn;
- pxa_init_low_gpio_irq(fn);
}
#ifdef CONFIG_PM
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