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ARM: sa11x0: neponset: get parent IRQ from neponset device resource 

Obtain the parent IRQ from the neponset device resource rather than
hard-coding it into the code.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-01-24 23:05:08 +00:00
Родитель ced8d21cf1
Коммит b6bdfcf5ae
1 изменённых файлов: 13 добавлений и 7 удалений
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20
arch/arm/mach-sa1100/neponset.c
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@ -207,7 +207,11 @@ static int __devinit neponset_probe(struct platform_device *dev)
.res = smc91x_resources,
.num_res = ARRAY_SIZE(smc91x_resources),
};
int ret;
int ret, irq;
irq = ret = platform_get_irq(dev, 0);
if (ret < 0)
goto err_alloc;
d = kzalloc(sizeof(*d), GFP_KERNEL);
if (!d) {
@ -234,16 +238,16 @@ static int __devinit neponset_probe(struct platform_device *dev)
set_irq_flags(d->irq_base + NEP_IRQ_USAR, IRQF_VALID | IRQF_PROBE);
irq_set_chip(d->irq_base + NEP_IRQ_SA1111, &nochip);
irq_set_irq_type(IRQ_GPIO25, IRQ_TYPE_EDGE_RISING);
irq_set_handler_data(IRQ_GPIO25, d);
irq_set_chained_handler(IRQ_GPIO25, neponset_irq_handler);
irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
irq_set_handler_data(irq, d);
irq_set_chained_handler(irq, neponset_irq_handler);
/*
* We would set IRQ_GPIO25 to be a wake-up IRQ, but unfortunately
* something on the Neponset activates this IRQ on sleep (eth?)
*/
#if 0
enable_irq_wake(IRQ_GPIO25);
enable_irq_wake(irq);
#endif
dev_info(&dev->dev, "Neponset daughter board, providing IRQ%u-%u\n",
@ -275,12 +279,13 @@ static int __devinit neponset_probe(struct platform_device *dev)
static int __devexit neponset_remove(struct platform_device *dev)
{
struct neponset_drvdata *d = platform_get_drvdata(dev);
int irq = platform_get_irq(dev, 0);
if (!IS_ERR(d->sa1111))
platform_device_unregister(d->sa1111);
if (!IS_ERR(d->smc91x))
platform_device_unregister(d->smc91x);
irq_set_chained_handler(IRQ_GPIO25, NULL);
irq_set_chained_handler(irq, NULL);
irq_free_descs(d->irq_base, NEP_IRQ_NR);
kfree(d);
@ -325,7 +330,8 @@ static struct platform_driver neponset_device_driver = {
};
static struct resource neponset_resources[] = {
[0] = DEFINE_RES_MEM(0x10000000, 0x08000000),
DEFINE_RES_MEM(0x10000000, 0x08000000),
DEFINE_RES_IRQ(IRQ_GPIO25),
};
static struct platform_device neponset_device = {