diff options
| author | eric miao <eric.miao@marvell.com> | 2008-03-04 11:12:14 +0800 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 11:29:03 +0100 |
| commit | a7bf4dbabac2a1ccd56527a56c82af720e7a00d1 (patch) | |
| tree | 176c55c9ea2d545e93bbe9371c29d55bafcfa160 /arch/arm/mach-pxa/irq.c | |
| parent | 7a26d3a33fd9adcbfd4fa2ca2d7e8a8272817935 (diff) | |
| download | kernel_samsung_smdk4412-a7bf4dbabac2a1ccd56527a56c82af720e7a00d1.zip kernel_samsung_smdk4412-a7bf4dbabac2a1ccd56527a56c82af720e7a00d1.tar.gz kernel_samsung_smdk4412-a7bf4dbabac2a1ccd56527a56c82af720e7a00d1.tar.bz2 | |
[ARM] pxa: make GPIO IRQ code less dependent on the internal IRQs
by:
1. introduce dedicated pxa_{mask,unmask}_low_gpio()
2. remove set_irq_chip(IRQ_GPIO_2_x, ...) which has already been
initialized in pxa_init_irq()
3. introduce dedicated pxa_init_gpio_set_wake()
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/irq.c')
| -rw-r--r-- | arch/arm/mach-pxa/irq.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 381fde6..ce150bf 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -166,11 +166,21 @@ static void pxa_ack_low_gpio(unsigned int irq) GEDR0 = (1 << (irq - IRQ_GPIO0)); } +static void pxa_mask_low_gpio(unsigned int irq) +{ + ICMR &= ~(1 << (irq - PXA_IRQ(0))); +} + +static void pxa_unmask_low_gpio(unsigned int irq) +{ + ICMR |= 1 << (irq - PXA_IRQ(0)); +} + static struct irq_chip pxa_low_gpio_chip = { .name = "GPIO-l", .ack = pxa_ack_low_gpio, - .mask = pxa_mask_low_irq, - .unmask = pxa_unmask_low_irq, + .mask = pxa_mask_low_gpio, + .unmask = pxa_unmask_low_gpio, .set_type = pxa_gpio_irq_type, }; @@ -267,20 +277,24 @@ void __init pxa_init_irq_gpio(int gpio_nr) } /* Install handler for GPIO>=2 edge detect interrupts */ - set_irq_chip(IRQ_GPIO_2_x, &pxa_internal_chip_low); set_irq_chained_handler(IRQ_GPIO_2_x, pxa_gpio_demux_handler); pxa_init_gpio(gpio_nr); } +void __init pxa_init_gpio_set_wake(int (*set_wake)(unsigned int, unsigned int)) +{ + pxa_low_gpio_chip.set_wake = set_wake; + pxa_muxed_gpio_chip.set_wake = set_wake; +} + void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int)) { pxa_internal_chip_low.set_wake = set_wake; #ifdef CONFIG_PXA27x pxa_internal_chip_high.set_wake = set_wake; #endif - pxa_low_gpio_chip.set_wake = set_wake; - pxa_muxed_gpio_chip.set_wake = set_wake; + pxa_init_gpio_set_wake(set_wake); } #ifdef CONFIG_PM |