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39a0ad8710
linux/drivers/acpi
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Zhao Yakui 39a0ad8710 ACPI : Load device driver according to the status of acpi device 
According to ACPI spec when the status of some device is not present
but functional, the device is valid and the children of this device
should be enumerated. It means that the device should be added to
linux acpi device tree. But the device driver for this device should not
be loaded.
    The detailed info can be found in the section 6.3.7 of ACPI 3.0b spec.
    _STA may return bit 0 clear (not present) with bit 3 set (device is
functional). This case is used to indicate a valid device for which no
device driver should be loaded (for example, a bridge device.).
Children of this device may be present and valid. OS should continue
enumeration below a device whose _STA returns this bit combination

http://bugzilla.kernel.org/show_bug.cgi?id=3358

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-10-22 18:00:50 -04:00
..
dispatcher ACPI: Change package length error to warning 2008-08-18 04:14:59 +02:00
events ACPI: Enhance /sys/firmware/interrupts to allow enable/disable/clear from user-space 2008-07-16 23:27:04 +02:00
executer ACPICA: Fix possible memory leak in Unload() operator 2008-08-15 02:11:59 +02:00
hardware ACPI: Enhance /sys/firmware/interrupts to allow enable/disable/clear from user-space 2008-07-16 23:27:04 +02:00
namespace ACPICA: Additional error checking for pathname utilities 2008-08-15 02:12:16 +02:00
parser ACPICA: Eliminate acpi_native_uint type v2 2008-07-16 23:27:03 +02:00
resources ACPICA: Additional error checking for pathname utilities 2008-08-15 02:12:16 +02:00
sleep ACPI: Make /proc/acpi/wakeup interface handle PCI devices (again) 2008-10-03 18:22:19 -07:00
tables Revert "Fix FADT parsing" 2008-07-18 01:42:20 +02:00
utilities ACPICA: Additional error checking for pathname utilities 2008-08-15 02:12:16 +02:00
ac.c ACPI: no AC status notification 2008-06-14 01:26:37 -04:00
acpi_memhotplug.c
asus_acpi.c Remove newline from the description of module parameters 2008-08-01 12:46:41 -07:00
battery.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
bay.c APCI: revert duplicated patch 2008-07-20 17:14:57 -07:00
blacklist.c ACPI: DMI: quirk for FSC ESPRIMO Mobile V5505 2008-02-14 02:43:39 -05:00
bus.c ACPI : Load device driver according to the status of acpi device 2008-10-22 18:00:50 -04:00
button.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
cm_sbs.c
container.c
debug.c
dock.c ACPI: Properly clear flags on false-positives and send uevent on sudden unplug 2008-08-15 03:02:42 +02:00
ec.c ACPI: Avoid bogus EC timeout when EC is in Polling mode 2008-08-15 03:13:06 +02:00
event.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
fan.c driver core: fix a lot of printk usages of bus_id 2008-07-21 21:54:53 -07:00
glue.c ACPI: Make /proc/acpi/wakeup interface handle PCI devices (again) 2008-10-03 18:22:19 -07:00
Kconfig Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
Makefile Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
numa.c ACPICA: Update DMAR and SRAT table definitions 2008-07-16 23:27:04 +02:00
osl.c flush kacpi_notify_wq before removing notify handler 2008-04-29 02:34:42 -04:00
pci_bind.c ACPI: misc cleanups 2008-02-07 03:33:23 -05:00
pci_irq.c ACPI: use dev_printk when possible 2008-07-16 23:27:07 +02:00
pci_link.c ACPI: bounds check IRQ to prevent memory corruption 2008-08-15 03:17:07 +02:00
pci_root.c ACPI: fix section mismatch in acpi_pci_root_add 2008-02-21 02:56:32 -05:00
pci_slot.c PCI: fix bogus "'device' may be used uninitialized" warning in pci_slot 2008-07-28 15:06:00 -07:00
power.c ACPI: Add "acpi.power_nocheck=1" to disable power state check in power transition 2008-10-22 17:59:57 -04:00
processor_core.c Merge branch 'compal-fix' into release-2.6.27 2008-08-21 08:44:21 +02:00
processor_idle.c acpi: trivial cleanups 2008-08-15 02:29:06 +02:00
processor_perflib.c ACPI: Fix now signed module parameter. 2008-08-18 08:38:36 +02:00
processor_thermal.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
processor_throttling.c cpumask: change cpumask_of_cpu_ptr to use new cpumask_of_cpu 2008-07-26 16:40:33 +02:00
reboot.c Add the ability to reset the machine using the RESET_REG in ACPI's FADT table. 2008-07-16 23:27:08 +02:00
sbs.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
sbshc.c ACPI: Avoid bogus timeout about SMbus check 2008-09-04 14:32:28 +02:00
sbshc.h ACPI: SBS: Ignore alarms coming from unknown devices 2007-12-14 15:14:06 -05:00
scan.c ACPI : Load device driver according to the status of acpi device 2008-10-22 18:00:50 -04:00
system.c move memory_read_from_buffer() from fs.h to string.h 2008-07-24 10:47:13 -07:00
tables.c acpi: add checking for NULL early param 2008-08-21 08:45:39 +02:00
thermal.c Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 2008-07-24 13:57:37 -07:00
toshiba_acpi.c toshiba_acpi: Enable autoloading 2008-03-11 13:35:08 -04:00
utils.c ACPICA: Fixes for external Reference Objects 2008-04-22 19:08:51 -04:00
video.c Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 2008-07-24 13:57:37 -07:00
wmi.c ACPI: replace AE_BAD_ADDRESS exception code with AE_ERROR 2008-10-22 17:56:40 -04:00