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of/irq: of_irq_init: add check for parent equal to child node

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With the revert of "of/irq: of_irq_find_parent: check for parent equal to
child" (dc93728084), we need another way to handle parent node equal
to the child node. This can simply be handled in of_irq_init by checking
for this condition.

Signed-off-by: Rob Herring <[email protected]>
Tested-by: Pawel Moll <[email protected]>
Tested-by: Stephen Warren <[email protected]>
This commit is contained in:
Rob Herring 2011-11-27 20:16:33 -06:00
commit d7fb6d0adb
1 changed files with 2 additions and 0 deletions
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drivers/of/irq.c
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@ -424,6 +424,8 @@ void __init of_irq_init(const struct of_device_id *matches)
desc->dev = np;
desc->interrupt_parent = of_irq_find_parent(np);
if (desc->interrupt_parent == np)
desc->interrupt_parent = NULL;
list_add_tail(&desc->list, &intc_desc_list);
}