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authorRafael J. Wysocki <rjw@sisk.pl>2008-07-12 02:50:15 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-12 06:44:58 +0200
commitda1f29f5dfcc8641f9ff6f3deaa9f03b57e63229 (patch)
tree11c21425a4b0822d6fab7faa4f9da7717fe31b15 /arch
parent6c82a000a29b93541b5b7db597a083c069755cc9 (diff)
x86: remove conflicting nx6325 and nx6125 quirks
We have two conflicting DMA-based quirks in there for the same set of boxes (HP nx6325 and nx6125) and one of them actually breaks my box. So remove the extra code. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: =?iso-8859-1?q?T=F6r=F6k_Edwin?= <edwintorok@gmail.com> Cc: Vegard Nossum <vegard.nossum@gmail.com> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/acpi/boot.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 9c981c4a364..785700a08e9 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -84,8 +84,6 @@ int acpi_lapic;
int acpi_ioapic;
int acpi_strict;
-static int disable_irq0_through_ioapic __initdata;
-
u8 acpi_sci_flags __initdata;
int acpi_sci_override_gsi __initdata;
int acpi_skip_timer_override __initdata;
@@ -982,10 +980,6 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
int pin;
struct mp_config_intsrc mp_irq;
- /* Skip the 8254 timer interrupt (IRQ 0) if requested. */
- if (bus_irq == 0 && disable_irq0_through_ioapic)
- return;
-
/*
* Convert 'gsi' to 'ioapic.pin'.
*/
@@ -1052,10 +1046,6 @@ void __init mp_config_acpi_legacy_irqs(void)
for (i = 0; i < 16; i++) {
int idx;
- /* Skip the 8254 timer interrupt (IRQ 0) if requested. */
- if (i == 0 && disable_irq0_through_ioapic)
- continue;
-
for (idx = 0; idx < mp_irq_entries; idx++) {
struct mp_config_intsrc *irq = mp_irqs + idx;
@@ -1413,17 +1403,6 @@ static int __init force_acpi_ht(const struct dmi_system_id *d)
}
/*
- * Don't register any I/O APIC entries for the 8254 timer IRQ.
- */
-static int __init
-dmi_disable_irq0_through_ioapic(const struct dmi_system_id *d)
-{
- pr_notice("%s detected: disabling IRQ 0 through I/O APIC\n", d->ident);
- disable_irq0_through_ioapic = 1;
- return 0;
-}
-
-/*
* Force ignoring BIOS IRQ0 pin2 override
*/
static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
@@ -1608,32 +1587,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
* is enabled. This input is incorrectly designated the
* ISA IRQ 0 via an interrupt source override even though
* it is wired to the output of the master 8259A and INTIN0
- * is not connected at all. Abandon any attempts to route
- * IRQ 0 through the I/O APIC therefore.
- */
- {
- .callback = dmi_disable_irq0_through_ioapic,
- .ident = "HP NX6125 laptop",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6125"),
- },
- },
- {
- .callback = dmi_disable_irq0_through_ioapic,
- .ident = "HP NX6325 laptop",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"),
- },
- },
- /*
- * HP laptops which use a DSDT reporting as HP/SB400/10000,
- * which includes some code which overrides all temperature
- * trip points to 16C if the INTIN2 input of the I/O APIC
- * is enabled. This input is incorrectly designated the
- * ISA IRQ 0 via an interrupt source override even though
- * it is wired to the output of the master 8259A and INTIN0
* is not connected at all. Force ignoring BIOS IRQ0 pin2
* override in that cases.
*/