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Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
-rw-r--r--arch/x86/kernel/acpi/boot.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 931ced8ca345..64422f850e95 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -76,6 +76,7 @@ int acpi_fix_pin2_polarity __initdata;
static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
#endif
+#ifdef CONFIG_X86_IO_APIC
/*
* Locks related to IOAPIC hotplug
* Hotplug side:
@@ -88,6 +89,7 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
* ->ioapic_lock
*/
static DEFINE_MUTEX(acpi_ioapic_lock);
+#endif
/* --------------------------------------------------------------------------
Boot-time Configuration
@@ -713,7 +715,7 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
int nid;
nid = acpi_get_node(handle);
- if (nid != -1) {
+ if (nid != NUMA_NO_NODE) {
set_apicid_to_node(physid, nid);
numa_set_node(cpu, nid);
}
@@ -928,6 +930,13 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table)
x86_platform.legacy.devices.pnpbios = 0;
}
+ if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
+ !(acpi_gbl_FADT.boot_flags & ACPI_FADT_8042) &&
+ x86_platform.legacy.i8042 != X86_LEGACY_I8042_PLATFORM_ABSENT) {
+ pr_debug("ACPI: i8042 controller is absent\n");
+ x86_platform.legacy.i8042 = X86_LEGACY_I8042_FIRMWARE_ABSENT;
+ }
+
if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_CMOS_RTC) {
pr_debug("ACPI: not registering RTC platform device\n");
x86_platform.legacy.rtc = 0;