From: Yinghai Lu on
don't clear that in arch_early_irq_init

probe_nr_irqs_gsi is always called when ioapic is selected in config.

so even for mrst, print out from probe_nr_irqs_gsi is report correct
nr_irqs_gsi

-v2: remove io_apic_irqs assignement, setup_IO_APIC will do that.

Signed-off-by: Yinghai Lu <yinghai(a)kernel.org>
---
arch/x86/kernel/apic/io_apic.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 61b59ef..ba469f8 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -153,11 +153,6 @@ int __init arch_early_irq_init(void)
int node;
int i;

- if (!legacy_pic->nr_legacy_irqs) {
- nr_irqs_gsi = 0;
- io_apic_irqs = ~0UL;
- }
-
cfg = irq_cfgx;
count = ARRAY_SIZE(irq_cfgx);
node= cpu_to_node(boot_cpu_id);
@@ -3938,6 +3933,8 @@ void __init probe_nr_irqs_gsi(void)
{
int nr = 0;

+ nr_irqs_gsi = legacy_pic->nr_legacy_irqs;
+
nr = acpi_probe_gsi();
if (nr > nr_irqs_gsi) {
nr_irqs_gsi = nr;
--
1.6.4.2

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