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[PATCH] Altix: more ACPI PRT support

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The SN Altix platform does not conform to the IOSAPIC IRQ routing model.
Add code in acpi_unregister_gsi() to check if (acpi_irq_model ==
ACPI_IRQ_MODEL_PLATFORM) and return.

Due to an oversight, this code was not added previously when
similar code was added to acpi_register_gsi().

http://marc.theaimsgroup.com/?l=linux-acpi&m=116680983430121&w=2

Signed-off-by: John Keller <jpk@sgi.com>
Acked-by: Len Brown <lenb@kernel.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
John Keller 2007-02-03 01:14:02 -08:00 committed by Linus Torvalds
parent b2e895dbd8
commit 72253943f7
1 changed files with 3 additions and 0 deletions
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3
arch/ia64/kernel/acpi.c
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@ -609,6 +609,9 @@ EXPORT_SYMBOL(acpi_register_gsi);
void acpi_unregister_gsi(u32 gsi)
{
if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM)
return;
iosapic_unregister_intr(gsi);
}