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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-25 03:05:08 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-02-09 19:34:16 +0400
commitb6bdfcf5ae634fcb9dce0c16972cf39d90be6f74 (patch)
tree0a4516b135fe86be5e89abdd9a7aba8f91933288 /arch/arm/mach-sa1100
parentced8d21cf104c9924e98f78954e873577366d156 (diff)
downloadlinux-b6bdfcf5ae634fcb9dce0c16972cf39d90be6f74.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-sa1100')
-rw-r--r--arch/arm/mach-sa1100/neponset.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 47681960783b..f4d587151770 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -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 = {