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authorEric W. Biederman <ebiederm@xmission.com>2010-03-30 04:07:14 -0400
committerH. Peter Anvin <hpa@zytor.com>2010-05-04 16:35:11 -0400
commit4afc51a835d3aeba11c35090f524e05c84586d27 (patch)
treee7858e2c41b1736a6ea659e2cf6764d1ff3a4686 /arch/x86/kernel/acpi
parentd464207c4fdd70c2a0febd4f9c58206fa915bb36 (diff)
x86, ioapic: Simplify probe_nr_irqs_gsi.
Use the global gsi_end value now that all ioapics have valid gsi numbers instead of a combination of acpi_probe_gsi and walking all of the ioapics and couting their number of entries by hand if acpi_probe_gsi gave us an answer we did not like. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> LKML-Reference: <1269936436-7039-13-git-send-email-ebiederm@xmission.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/acpi')
-rw-r--r--arch/x86/kernel/acpi/boot.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 3ee92f28a4b2..07a63ce5811a 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -876,29 +876,6 @@ static int __init acpi_parse_madt_lapic_entries(void)
876extern int es7000_plat; 876extern int es7000_plat;
877#endif 877#endif
878 878
879int __init acpi_probe_gsi(void)
880{
881 int idx;
882 int gsi;
883 int max_gsi = 0;
884
885 if (acpi_disabled)
886 return 0;
887
888 if (!acpi_ioapic)
889 return 0;
890
891 max_gsi = 0;
892 for (idx = 0; idx < nr_ioapics; idx++) {
893 gsi = mp_gsi_routing[idx].gsi_end;
894
895 if (gsi > max_gsi)
896 max_gsi = gsi;
897 }
898
899 return max_gsi + 1;
900}
901
902static void assign_to_mp_irq(struct mpc_intsrc *m, 879static void assign_to_mp_irq(struct mpc_intsrc *m,
903 struct mpc_intsrc *mp_irq) 880 struct mpc_intsrc *mp_irq)
904{ 881{