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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2011-02-22 23:07:44 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-24 00:27:54 +0300 |
| commit | bcc7c1244fcfd852b9f4590935491057e1cab9dd (patch) | |
| tree | 4b68fc51466e8b42f343d6f26db0f1200d595c50 /arch/x86/kernel/irqinit.c | |
| parent | 9079b35364e75ce6b968a179f861d2f819f33e61 (diff) | |
| download | linux-bcc7c1244fcfd852b9f4590935491057e1cab9dd.tar.xz | |
x86: ioapic: Add OF bindings for IO_APIC
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>
Diffstat (limited to 'arch/x86/kernel/irqinit.c')
| -rw-r--r-- | arch/x86/kernel/irqinit.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 4cadf8688dbd..9f76f89f43a4 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -119,6 +119,12 @@ void __init init_IRQ(void) int i; /* + * We probably need a better place for this, but it works for + * now ... + */ + x86_add_irq_domains(); + + /* * On cpu 0, Assign IRQ0_VECTOR..IRQ15_VECTOR's to IRQ 0..15. * If these IRQ's are handled by legacy interrupt-controllers like PIC, * then this configuration will likely be static after the boot. If |