diff options
Diffstat (limited to 'arch/i386/kernel/acpi/earlyquirk.c')
| -rw-r--r-- | arch/i386/kernel/acpi/earlyquirk.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c index fe799b11ac0..4b60af7f91d 100644 --- a/arch/i386/kernel/acpi/earlyquirk.c +++ b/arch/i386/kernel/acpi/earlyquirk.c @@ -10,6 +10,7 @@ #include <asm/pci-direct.h> #include <asm/acpi.h> #include <asm/apic.h> +#include <asm/irq.h> #ifdef CONFIG_ACPI @@ -27,11 +28,17 @@ 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 @@ -43,6 +50,24 @@ static int __init check_bridge(int vendor, int device) return 0; } +static void check_intel(void) +{ + u16 vendor, device; + + vendor = read_pci_config_16(0, 0, 0, PCI_VENDOR_ID); + + if (vendor != PCI_VENDOR_ID_INTEL) + return; + + device = read_pci_config_16(0, 0, 0, PCI_DEVICE_ID); +#ifdef CONFIG_SMP + if (device == PCI_DEVICE_ID_INTEL_E7320_MCH || + device == PCI_DEVICE_ID_INTEL_E7520_MCH || + device == PCI_DEVICE_ID_INTEL_E7525_MCH) + quirk_intel_irqbalance(); +#endif +} + void __init check_acpi_pci(void) { int num, slot, func; @@ -54,6 +79,8 @@ void __init check_acpi_pci(void) if (!early_pci_allowed()) return; + check_intel(); + /* Poor man's PCI discovery */ for (num = 0; num < 32; num++) { for (slot = 0; slot < 32; slot++) { |