diff options
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 71 |
1 files changed, 17 insertions, 54 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 17c8090fabd..9a966c579af 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, @@ -509,6 +515,7 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) return 0; } +EXPORT_SYMBOL_GPL(acpi_gsi_to_irq); int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) { @@ -588,14 +595,8 @@ static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) nid = acpi_get_node(handle); if (nid == -1 || !node_online(nid)) return; -#ifdef CONFIG_X86_64 - apicid_to_node[physid] = nid; + set_apicid_to_node(physid, nid); numa_set_node(cpu, nid); -#else /* CONFIG_X86_32 */ - apicid_2_node[physid] = nid; - cpu_to_node_map[cpu] = nid; -#endif - #endif } @@ -852,18 +853,6 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) * returns 0 on success, < 0 on error */ -static void __init acpi_register_lapic_address(unsigned long address) -{ - mp_lapic_addr = address; - - set_fixmap_nocache(FIX_APIC_BASE, address); - if (boot_cpu_physical_apicid == -1U) { - boot_cpu_physical_apicid = read_apic_id(); - apic_version[boot_cpu_physical_apicid] = - GET_APIC_VERSION(apic_read(APIC_LVR)); - } -} - static int __init early_acpi_parse_madt_lapic_addr_ovr(void) { int count; @@ -885,7 +874,7 @@ static int __init early_acpi_parse_madt_lapic_addr_ovr(void) return count; } - acpi_register_lapic_address(acpi_lapic_addr); + register_lapic_address(acpi_lapic_addr); return count; } @@ -912,7 +901,7 @@ static int __init acpi_parse_madt_lapic_entries(void) return count; } - acpi_register_lapic_address(acpi_lapic_addr); + register_lapic_address(acpi_lapic_addr); count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, acpi_parse_sapic, MAX_LOCAL_APIC); @@ -954,32 +943,6 @@ static int __init acpi_parse_madt_lapic_entries(void) extern int es7000_plat; #endif -static void assign_to_mp_irq(struct mpc_intsrc *m, - struct mpc_intsrc *mp_irq) -{ - memcpy(mp_irq, m, sizeof(struct mpc_intsrc)); -} - -static int mp_irq_cmp(struct mpc_intsrc *mp_irq, - struct mpc_intsrc *m) -{ - return memcmp(mp_irq, m, sizeof(struct mpc_intsrc)); -} - -static void save_mp_irq(struct mpc_intsrc *m) -{ - int i; - - for (i = 0; i < mp_irq_entries; i++) { - if (!mp_irq_cmp(&mp_irqs[i], m)) - return; - } - - assign_to_mp_irq(m, &mp_irqs[mp_irq_entries]); - if (++mp_irq_entries == MAX_IRQ_SOURCES) - panic("Max # of irq sources exceeded!!\n"); -} - void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) { int ioapic; @@ -1010,7 +973,7 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) mp_irq.dstapic = mp_ioapics[ioapic].apicid; /* APIC ID */ mp_irq.dstirq = pin; /* INTIN# */ - save_mp_irq(&mp_irq); + mp_save_irq(&mp_irq); isa_irq_to_gsi[bus_irq] = gsi; } @@ -1085,7 +1048,7 @@ void __init mp_config_acpi_legacy_irqs(void) mp_irq.srcbusirq = i; /* Identity mapped */ mp_irq.dstirq = pin; - save_mp_irq(&mp_irq); + mp_save_irq(&mp_irq); } } @@ -1122,7 +1085,7 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, mp_irq.dstapic = mp_ioapics[ioapic].apicid; mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi); - save_mp_irq(&mp_irq); + mp_save_irq(&mp_irq); #endif return 0; } |