[PATCH] ACPI based I/O APIC hot-plug: ia64 support
This is an ia64 implementation of acpi_register_ioapic() and
acpi_unregister_ioapic() interfaces.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index ab79886..cda06f8 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -236,9 +236,7 @@
if (BAD_MADT_ENTRY(iosapic, end))
return -EINVAL;
- iosapic_init(iosapic->address, iosapic->global_irq_base);
-
- return 0;
+ return iosapic_init(iosapic->address, iosapic->global_irq_base);
}
@@ -772,7 +770,7 @@
#ifdef CONFIG_ACPI_NUMA
-acpi_status __init
+acpi_status __devinit
acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
{
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
@@ -829,16 +827,23 @@
int
acpi_register_ioapic (acpi_handle handle, u64 phys_addr, u32 gsi_base)
{
- /* TBD */
- return -EINVAL;
+ int err;
+
+ if ((err = iosapic_init(phys_addr, gsi_base)))
+ return err;
+
+#if CONFIG_ACPI_NUMA
+ acpi_map_iosapic(handle, 0, NULL, NULL);
+#endif /* CONFIG_ACPI_NUMA */
+
+ return 0;
}
EXPORT_SYMBOL(acpi_register_ioapic);
int
acpi_unregister_ioapic (acpi_handle handle, u32 gsi_base)
{
- /* TBD */
- return -EINVAL;
+ return iosapic_remove(gsi_base);
}
EXPORT_SYMBOL(acpi_unregister_ioapic);