diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/acpi/blacklist.c | 27 | ||||
| -rw-r--r-- | drivers/acpi/ibm_acpi.c | 13 | ||||
| -rw-r--r-- | drivers/acpi/processor_idle.c | 25 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 5 |
5 files changed, 48 insertions, 37 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 33e2ca847a26..5cb96300eb0f 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -205,6 +205,18 @@ config ACPI_IBM If you have an IBM ThinkPad laptop, say Y or M here. +config ACPI_IBM_DOCK + bool "Legacy Docking Station Support" + depends on ACPI_IBM + default n + ---help--- + Allows the ibm_acpi driver to handle docking station events. + This support is obsoleted by CONFIG_HOTPLUG_PCI_ACPI. It will + allow locking and removing the laptop from the docking station, + but will not properly connect PCI devices. + + If you are not sure, say N here. + config ACPI_TOSHIBA tristate "Toshiba Laptop Extras" depends on X86 @@ -244,7 +256,8 @@ config ACPI_CUSTOM_DSDT_FILE depends on ACPI_CUSTOM_DSDT default "" help - Enter the full path name to the file wich includes the AmlCode declaration. + Enter the full path name to the file which includes the AmlCode + declaration. config ACPI_BLACKLIST_YEAR int "Disable ACPI for systems before Jan 1st this year" if X86_32 diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 9824f679a910..f9c972b26f4f 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -77,28 +77,13 @@ static struct acpi_blacklist_item acpi_blacklist[] __initdata = { static int __init blacklist_by_year(void) { - int year; - char *s = dmi_get_system_info(DMI_BIOS_DATE); - - if (!s) - return 0; - if (!*s) - return 0; - - s = strrchr(s, '/'); - if (!s) + int year = dmi_get_year(DMI_BIOS_DATE); + /* Doesn't exist? Likely an old system */ + if (year == -1) + return 1; + /* 0? Likely a buggy new BIOS */ + if (year == 0) return 0; - - s += 1; - - year = simple_strtoul(s, NULL, 0); - - if (year < 100) { /* 2-digit year */ - year += 1900; - if (year < 1996) /* no dates < spec 1.0 */ - year += 100; - } - if (year < CONFIG_ACPI_BLACKLIST_YEAR) { printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " "acpi=force is required to enable ACPI\n", diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 5cc090326ddc..262b1f41335a 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -160,13 +160,13 @@ IBM_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, T4x, X31, X40 */ "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ "\\CMS", /* R40, R40e */ ); /* all others */ - +#ifdef CONFIG_ACPI_IBM_DOCK IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ "\\_SB.PCI0.PCI1.DOCK", /* all others */ "\\_SB.PCI.ISA.SLCE", /* 570 */ ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ - +#endif IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ @@ -844,7 +844,7 @@ static int _sta(acpi_handle handle) return status; } - +#ifdef CONFIG_ACPI_IBM_DOCK #define dock_docked() (_sta(dock_handle) & 1) static int dock_read(char *p) @@ -907,6 +907,7 @@ static void dock_notify(struct ibm_struct *ibm, u32 event) acpi_bus_generate_event(ibm->device, event, 0); /* unknown */ } } +#endif static int bay_status_supported; static int bay_status2_supported; @@ -1574,6 +1575,7 @@ static struct ibm_struct ibms[] = { .read = light_read, .write = light_write, }, +#ifdef CONFIG_ACPI_IBM_DOCK { .name = "dock", .read = dock_read, @@ -1589,6 +1591,7 @@ static struct ibm_struct ibms[] = { .handle = &pci_handle, .type = ACPI_SYSTEM_NOTIFY, }, +#endif { .name = "bay", .init = bay_init, @@ -1880,7 +1883,9 @@ IBM_PARAM(hotkey); IBM_PARAM(bluetooth); IBM_PARAM(video); IBM_PARAM(light); +#ifdef CONFIG_ACPI_IBM_DOCK IBM_PARAM(dock); +#endif IBM_PARAM(bay); IBM_PARAM(cmos); IBM_PARAM(led); @@ -1927,7 +1932,9 @@ static int __init acpi_ibm_init(void) IBM_HANDLE_INIT(hkey); IBM_HANDLE_INIT(lght); IBM_HANDLE_INIT(cmos); +#ifdef CONFIG_ACPI_IBM_DOCK IBM_HANDLE_INIT(dock); +#endif IBM_HANDLE_INIT(pci); IBM_HANDLE_INIT(bay); if (bay_handle) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index eb730a80952c..2be895895943 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -876,14 +876,11 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) { unsigned int i; unsigned int working = 0; - -#ifdef ARCH_APICTIMER_STOPS_ON_C3 - struct cpuinfo_x86 *c = cpu_data + pr->id; + int timer_broadcast = 0; cpumask_t mask = cpumask_of_cpu(pr->id); - if (c->x86_vendor == X86_VENDOR_INTEL) { - on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1); - } +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1); #endif for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { @@ -896,15 +893,20 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) case ACPI_STATE_C2: acpi_processor_power_verify_c2(cx); +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + /* Some AMD systems fake C3 as C2, but still + have timer troubles */ + if (cx->valid && + boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + timer_broadcast++; +#endif break; case ACPI_STATE_C3: acpi_processor_power_verify_c3(pr, cx); #ifdef ARCH_APICTIMER_STOPS_ON_C3 - if (cx->valid && c->x86_vendor == X86_VENDOR_INTEL) { - on_each_cpu(switch_APIC_timer_to_ipi, - &mask, 1, 1); - } + if (cx->valid) + timer_broadcast++; #endif break; } @@ -913,6 +915,9 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) working++; } + if (timer_broadcast) + on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1); + return (working); } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 9271e5209ac1..a0ab828b2cc5 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -23,7 +23,6 @@ static LIST_HEAD(acpi_device_list); DEFINE_SPINLOCK(acpi_device_lock); LIST_HEAD(acpi_wakeup_device_list); -static int acpi_bus_trim(struct acpi_device *start, int rmdevice); static void acpi_device_release(struct kobject *kobj) { @@ -1284,7 +1283,7 @@ int acpi_bus_start(struct acpi_device *device) EXPORT_SYMBOL(acpi_bus_start); -static int acpi_bus_trim(struct acpi_device *start, int rmdevice) +int acpi_bus_trim(struct acpi_device *start, int rmdevice) { acpi_status status; struct acpi_device *parent, *child; @@ -1337,6 +1336,8 @@ static int acpi_bus_trim(struct acpi_device *start, int rmdevice) } return err; } +EXPORT_SYMBOL_GPL(acpi_bus_trim); + static int acpi_bus_scan_fixed(struct acpi_device *root) { |