summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/acpi/boot.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2011-03-03 21:27:42 -0800
committerDavid S. Miller <davem@davemloft.net>2011-03-03 21:27:42 -0800
commit0a0e9ae1bd788bc19adc4d4ae08c98b233697402 (patch)
tree13825eeb5bbeae27d66e95f12168eff4b60701ab /arch/x86/kernel/acpi/boot.c
parent01a16b21d6adf992aa863186c3c4e561a57c1714 (diff)
parentb65a0e0c84cf489bfa00d6aa6c48abc5a237100f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bnx2x/bnx2x.h
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
-rw-r--r--arch/x86/kernel/acpi/boot.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b3a71137983a..3e6e2d68f761 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -72,6 +72,7 @@ u8 acpi_sci_flags __initdata;
int acpi_sci_override_gsi __initdata;
int acpi_skip_timer_override __initdata;
int acpi_use_timer_override __initdata;
+int acpi_fix_pin2_polarity __initdata;
#ifdef CONFIG_X86_LOCAL_APIC
static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
@@ -415,10 +416,15 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
return 0;
}
- if (acpi_skip_timer_override &&
- intsrc->source_irq == 0 && intsrc->global_irq == 2) {
- printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
- return 0;
+ if (intsrc->source_irq == 0 && intsrc->global_irq == 2) {
+ if (acpi_skip_timer_override) {
+ printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
+ return 0;
+ }
+ if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
+ intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
+ printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
+ }
}
mp_override_legacy_irq(intsrc->source_irq,