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arm: omap: irq: use compatible flag to figure out number of IRQ lines

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so far, only am33xx has 128 lines, all other devices
have only 96.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Felipe Balbi 2014-09-08 17:54:47 -07:00 committed by Tony Lindgren
parent a35db9a4cb
commit 470f30deae
1 changed files with 3 additions and 0 deletions
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arch/arm/mach-omap2/irq.c
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@ -310,6 +310,9 @@ static int __init intc_of_init(struct device_node *node,
return -EINVAL;
}
if (of_device_is_compatible(node, "ti,am33xx-intc"))
nr_irq = 128;
if (of_property_read_u32(node, "ti,intc-size", &nr_irq))
pr_warn("unable to get intc-size, default to %d\n", nr_irq);