luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[ARM] 4437/1: PXA: move the GPIO IRQ initialization code to pxa_init_irq_gpio()

Browse Source 
move the GPIO IRQ initialization code to pxa_init_irq_gpio()

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eric Miao 2007-06-06 06:37:15 +01:00 committed by Russell King
parent 53665a50fd
commit 348f2e3b29
1 changed files with 17 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
arch/arm/mach-pxa/irq.c
View File

@ -347,43 +347,27 @@ static struct irq_chip pxa_muxed_gpio_chip = {
.set_wake = pxa_set_gpio_wake,
};
void __init pxa_init_irq(void)
void __init pxa_init_irq_gpio(int gpio_nr)
{
int irq;
int irq, i;
/* clear all GPIO edge detects */
GFER0 = 0;
GFER1 = 0;
GFER2 = 0;
GRER0 = 0;
GRER1 = 0;
GRER2 = 0;
GEDR0 = GEDR0;
GEDR1 = GEDR1;
GEDR2 = GEDR2;
#ifdef CONFIG_PXA27x
/* And similarly for the extra regs on the PXA27x */
GFER3 = 0;
GRER3 = 0;
GEDR3 = GEDR3;
#endif
for (i = 0; i < gpio_nr; i += 32) {
GFER(i) = 0;
GRER(i) = 0;
GEDR(i) = GEDR(i);
}
/* GPIO 0 and 1 must have their mask bit always set */
GPIO_IRQ_mask[0] = 3;
pxa_init_irq_low();
#ifdef CONFIG_PXA27x
pxa_init_irq_high();
#endif
for (irq = IRQ_GPIO0; irq <= IRQ_GPIO1; irq++) {
set_irq_chip(irq, &pxa_low_gpio_chip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(PXA_LAST_GPIO); irq++) {
for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(gpio_nr); irq++) {
set_irq_chip(irq, &pxa_muxed_gpio_chip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
@ -393,3 +377,12 @@ void __init pxa_init_irq(void)
set_irq_chip(IRQ_GPIO_2_x, &pxa_internal_chip_low);
set_irq_chained_handler(IRQ_GPIO_2_x, pxa_gpio_demux_handler);
}
void __init pxa_init_irq(void)
{
pxa_init_irq_low();
#ifdef CONFIG_PXA27x
pxa_init_irq_high();
#endif
pxa_init_irq_gpio(PXA_LAST_GPIO + 1);
}