diff options
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/kernel/acpi/boot.c | 8 | ||||
| -rw-r--r-- | arch/i386/kernel/acpi/earlyquirk.c | 8 |
2 files changed, 15 insertions, 1 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 22e4c466e5a..d12fb97a533 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -82,6 +82,7 @@ EXPORT_SYMBOL(acpi_strict); acpi_interrupt_flags acpi_sci_flags __initdata; int acpi_sci_override_gsi __initdata; int acpi_skip_timer_override __initdata; +int acpi_use_timer_override __initdata; #ifdef CONFIG_X86_LOCAL_APIC static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; @@ -1300,6 +1301,13 @@ static int __init parse_acpi_skip_timer_override(char *arg) return 0; } early_param("acpi_skip_timer_override", parse_acpi_skip_timer_override); + +static int __init parse_acpi_use_timer_override(char *arg) +{ + acpi_use_timer_override = 1; + return 0; +} +early_param("acpi_use_timer_override", parse_acpi_use_timer_override); #endif /* CONFIG_X86_IO_APIC */ static int __init setup_acpi_sci(char *s) diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c index fe799b11ac0..c9841692bb7 100644 --- a/arch/i386/kernel/acpi/earlyquirk.c +++ b/arch/i386/kernel/acpi/earlyquirk.c @@ -27,11 +27,17 @@ static int __init check_bridge(int vendor, int device) #ifdef CONFIG_ACPI /* According to Nvidia all timer overrides are bogus unless HPET is enabled. */ - if (vendor == PCI_VENDOR_ID_NVIDIA) { + if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) { nvidia_hpet_detected = 0; acpi_table_parse(ACPI_HPET, nvidia_hpet_check); if (nvidia_hpet_detected == 0) { acpi_skip_timer_override = 1; + printk(KERN_INFO "Nvidia board " + "detected. Ignoring ACPI " + "timer override.\n"); + printk(KERN_INFO "If you got timer trouble " + "try acpi_use_timer_override\n"); + } } #endif |