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ioapic_xlate provides a translation from the information in device tree to ioapic related informations. This includes - obtaining hw irq which is the vector number "=> pin number + gsi" - obtaining type (level/edge/..) - programming this information into ioapic ioapic_add_ofnode adds an irq_domain based on informations from the device tree. This information (irq_domain) is required in order to map a device to its proper interrupt controller. [ tglx: Adapted to the io_apic changes, which let us move that whole code to devicetree.c ] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Cc: sodaville@linutronix.de Cc: devicetree-discuss@lists.ozlabs.org LKML-Reference: <1298405266-1624-10-git-send-email-bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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