diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 12533a958c51..e3394eb42cb7 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -181,19 +181,41 @@ and is between 256 and 4096 characters. It is defined in the file that require a timer override, but don't have HPET - acpi_dbg_layer= [HW,ACPI] + acpi.debug_layer= [HW,ACPI] Format: Each bit of the indicates an ACPI debug layer, 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set - via /proc/acpi/debug_layer. + via /sys/module/acpi/parameters/debug_layer. + CONFIG_ACPI_DEBUG must be enabled for this to produce any output. + Available bits (add the numbers together) to enable debug output + for specific parts of the ACPI subsystem: + 0x01 utilities 0x02 hardware 0x04 events 0x08 tables + 0x10 namespace 0x20 parser 0x40 dispatcher + 0x80 executer 0x100 resources 0x200 acpica debugger + 0x400 os services 0x800 acpica disassembler. + The number can be in decimal or prefixed with 0x in hex. + Warning: Many of these options can produce a lot of + output and make your system unusable. Be very careful. - acpi_dbg_level= [HW,ACPI] + acpi.debug_level= [HW,ACPI] Format: Each bit of the indicates an ACPI debug level, 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set - via /proc/acpi/debug_level. + via /sys/module/acpi/parameters/debug_level. + CONFIG_ACPI_DEBUG must be enabled for this to produce any output. + Available bits (add the numbers together) to enable different + debug output levels of the ACPI subsystem: + 0x01 error 0x02 warn 0x04 init 0x08 debug object + 0x10 info 0x20 init names 0x40 parse 0x80 load + 0x100 dispatch 0x200 execute 0x400 names 0x800 operation region + 0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects + 0x10000 resources 0x20000 user requests 0x40000 package. + The number can be in decimal or prefixed with 0x in hex. + Warning: Many of these options can produce a lot of + output and make your system unusable. Be very careful. + acpi_fake_ecdt [HW,ACPI] Workaround failure due to BIOS lacking ECDT diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c index a7d22d9f3d7e..8f7efd38254d 100644 --- a/arch/i386/kernel/acpi/earlyquirk.c +++ b/arch/i386/kernel/acpi/earlyquirk.c @@ -23,10 +23,13 @@ static int __init nvidia_hpet_check(struct acpi_table_header *header) static int __init check_bridge(int vendor, int device) { #ifdef CONFIG_ACPI + static int warned; /* According to Nvidia all timer overrides are bogus unless HPET is enabled. */ if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) { - if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) { + if (!warned && acpi_table_parse(ACPI_SIG_HPET, + nvidia_hpet_check)) { + warned = 1; acpi_skip_timer_override = 1; printk(KERN_INFO "Nvidia board " "detected. Ignoring ACPI " diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 45c43150826b..e905c950fd7b 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -85,8 +85,8 @@ config ACPI_PROCFS depends on ACPI default y ---help--- - Procfs interface for ACPI is made optional for back-compatible. - As the same functions are duplicated in sysfs interface + The Procfs interface for ACPI is made optional for backward compatibility. + As the same functions are duplicated in the sysfs interface and this proc interface will be removed some time later, it's marked as deprecated. ( /proc/acpi/debug_layer && debug_level are deprecated by diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index c26172671fd8..e65628a03085 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -44,11 +44,6 @@ MODULE_AUTHOR("Naveen B S "); MODULE_DESCRIPTION("Hotplug Mem Driver"); MODULE_LICENSE("GPL"); -/* ACPI _STA method values */ -#define ACPI_MEMORY_STA_PRESENT (0x00000001UL) -#define ACPI_MEMORY_STA_ENABLED (0x00000002UL) -#define ACPI_MEMORY_STA_FUNCTIONAL (0x00000008UL) - /* Memory Device States */ #define MEMORY_INVALID_STATE 0 #define MEMORY_POWER_ON_STATE 1 @@ -204,9 +199,9 @@ static int acpi_memory_check_device(struct acpi_memory_device *mem_device) * Check for device status. Device should be * present/enabled/functioning. */ - if (!((current_status & ACPI_MEMORY_STA_PRESENT) - && (current_status & ACPI_MEMORY_STA_ENABLED) - && (current_status & ACPI_MEMORY_STA_FUNCTIONAL))) + if (!((current_status & ACPI_STA_DEVICE_PRESENT) + && (current_status & ACPI_STA_DEVICE_ENABLED) + && (current_status & ACPI_STA_DEVICE_FUNCTIONING))) return -ENODEV; return 0; @@ -286,7 +281,7 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device) return -ENODEV; /* Check for device status. Device should be disabled */ - if (current_status & ACPI_MEMORY_STA_ENABLED) + if (current_status & ACPI_STA_DEVICE_ENABLED) return -EINVAL; return 0; diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index dd49ea0d0ed3..e5084ececb6f 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -103,7 +103,9 @@ int acpi_bus_get_status(struct acpi_device *device) else if (device->parent) device->status = device->parent->status; else - STRUCT_TO_INT(device->status) = 0x0F; + STRUCT_TO_INT(device->status) = + ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | + ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING; if (device->status.functional && !device->status.present) { printk(KERN_WARNING PREFIX "Device [%s] status [%08x]: " diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 0930d9413dfa..0dd3bf7c0ed1 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -49,8 +49,6 @@ MODULE_AUTHOR("Anil S Keshavamurthy"); MODULE_DESCRIPTION("ACPI container driver"); MODULE_LICENSE("GPL"); -#define ACPI_STA_PRESENT (0x00000001) - static int acpi_container_add(struct acpi_device *device); static int acpi_container_remove(struct acpi_device *device, int type); @@ -75,13 +73,13 @@ static int is_device_present(acpi_handle handle) status = acpi_get_handle(handle, "_STA", &temp); if (ACPI_FAILURE(status)) - return 1; /* _STA not found, assmue device present */ + return 1; /* _STA not found, assume device present */ status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status)) return 0; /* Firmware error */ - return ((sta & ACPI_STA_PRESENT) == ACPI_STA_PRESENT); + return ((sta & ACPI_STA_DEVICE_PRESENT) == ACPI_STA_DEVICE_PRESENT); } /*******************************************************************/ diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 99d1516d1e70..f7de02a6f497 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -70,8 +70,6 @@ #define ACPI_PROCESSOR_LIMIT_USER 0 #define ACPI_PROCESSOR_LIMIT_THERMAL 1 -#define ACPI_STA_PRESENT 0x00000001 - #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_core"); @@ -779,7 +777,7 @@ static int is_processor_present(acpi_handle handle) status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - if (ACPI_FAILURE(status) || !(sta & ACPI_STA_PRESENT)) { + if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT)) { ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present")); return 0; } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index cdf78943af4d..ae0654cd11ea 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -51,14 +51,6 @@ #include #endif -/* - * Include the apic definitions for x86 to have the APIC timer related defines - * available also for UP (on SMP it gets magically included via linux/smp.h). - */ -#ifdef CONFIG_X86 -#include -#endif - #include #include diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index bb0e0da39fb1..d80dd84e5bfd 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1068,7 +1068,9 @@ acpi_add_single_object(struct acpi_device **child, } break; default: - STRUCT_TO_INT(device->status) = 0x0F; + STRUCT_TO_INT(device->status) = + ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | + ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING; break; } diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index ccc11b33d89c..2d912b71e543 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -350,21 +350,31 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) { struct list_head *node, *next; - seq_printf(seq, "Device Sleep state Status\n"); + seq_printf(seq, "Device\tS-state\t Status Sysfs node\n"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_wakeup_device_list) { struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); + struct device *ldev; if (!dev->wakeup.flags.valid) continue; spin_unlock(&acpi_device_lock); - seq_printf(seq, "%4s %4d %s%8s\n", + + ldev = acpi_get_physical_device(dev->handle); + seq_printf(seq, "%s\t S%d\t%c%-8s ", dev->pnp.bus_id, (u32) dev->wakeup.sleep_state, - dev->wakeup.flags.run_wake ? "*" : "", + dev->wakeup.flags.run_wake ? '*' : ' ', dev->wakeup.state.enabled ? "enabled" : "disabled"); + if (ldev) + seq_printf(seq, "%s:%s", + ldev->bus ? ldev->bus->name : "no-bus", + ldev->bus_id); + seq_printf(seq, "\n"); + put_device(ldev); + spin_lock(&acpi_device_lock); } spin_unlock(&acpi_device_lock); diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index 5ac309ee7f05..5cfcff532545 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -26,7 +26,7 @@ /* * The I/O port the PMTMR resides at. * The location is detected during setup_arch(), - * in arch/i386/acpi/boot.c + * in arch/i386/kernel/acpi/boot.c */ u32 pmtmr_ioport __read_mostly; diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index a064f36a0805..b5ac810404c0 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -317,6 +317,10 @@ static int __init acpi_pci_init(void) { int ret; + if (acpi_gbl_FADT.boot_flags & BAF_MSI_NOT_SUPPORTED) { + printk(KERN_INFO"ACPI FADT declares the system doesn't support MSI, so disable it\n"); + pci_no_msi(); + } ret = register_acpi_bus_type(&acpi_pci_bus); if (ret) return 0; diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index 09469e7db6a5..955adfb8d64c 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -276,6 +276,7 @@ enum acpi_prefered_pm_profiles { #define BAF_LEGACY_DEVICES 0x0001 #define BAF_8042_KEYBOARD_CONTROLLER 0x0002 +#define BAF_MSI_NOT_SUPPORTED 0x0008 #define FADT2_REVISION_ID 3 #define FADT2_MINUS_REVISION_ID 2