kernel/linux.git/include/acpi, branch linux-2.6.28.y

ACPI: Enable bit 11 in _PDC to advertise hw coord

2009-02-12T17:50:25+00:00

commit d96f94c604453f87fe24154b87e1e9a3a72511f8 upstream. Bit 11 in intel PDC definitions is meant for OS capability to handle hardware coordination of P-states. In Linux we have always supported hwardware coordination of P-states. Just let the BIOSes know that we support it, by setting this bit. Some BIOSes use this bit to choose between hardware or software coordination and without this change below, BIOSes switch to software coordination, which is not very optimal in terms of power consumption and extra wakeups from idle. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Len Brown Signed-off-by: Greg Kroah-Hartman

ACPI: don't cond_resched() when irqs_disabled()

2008-12-19T09:38:33+00:00

The ACPI interpreter usually runs with irqs enabled. However, during suspend/resume it runs with irqs disabled to evaluate _GTS/_BFS, as well as by irqrouter_resume() which evaluates _CRS, _PRS, _SRS. http://bugzilla.kernel.org/show_bug.cgi?id=12252 Signed-off-by: Wu Fengguang Signed-off-by: Len Brown

ACPI: fix 2.6.28 acpi.debug_level regression

2008-12-19T09:38:32+00:00

acpi_early_init() was changed to over-write the cmdline param, making it really inconvenient to set debug flags at boot-time. Also, This sets the default level to "info", which is what all the ACPI drivers use. So to enable messages from drivers, you only have to supply the "layer" (a.k.a. "component"). For non-"info" ACPI core and ACPI interpreter messages, you have to supply both level and layer masks, as before. Signed-off-by: Bjorn Helgaas Signed-off-by: Len Brown

ACPICA: disable _BIF warning

2008-11-27T07:17:30+00:00

A generic work-around from ACPICA is in the queue, but since Linux has a work-around in its battery driver, we can disable this warning now. Allow _BIF method to return an Package with Buffer elements http://bugzilla.kernel.org/show_bug.cgi?id=11822 Signed-off-by: Lin Ming Signed-off-by: Len Brown

ACPICA: Allow _WAK method to return an Integer

2008-11-27T06:55:13+00:00

This can happen if the _WAK method returns nothing (as per ACPI 1.0) but does return an integer if the implicit return mechanism is enabled. This is the only method that has this problem, since it is also defined to return a package of two integers (ACPI 1.0b+). In all other cases, if a method returns an object when one was not expected, no warning is issued. Signed-off-by: Bob Moore Signed-off-by: Lin Ming Signed-off-by: Len Brown

Merge branch 'ec' into release

2008-11-12T02:17:26+00:00

Merge branch 'processor-256' into release

2008-11-12T02:17:03+00:00

Merge branch 'video' into release

2008-11-12T02:15:50+00:00

Conflicts: Documentation/kernel-parameters.txt Signed-off-by: Len Brown

Merge branch 'misc' into release

2008-11-12T02:14:11+00:00

ACPICA: Use spinlock for acpi_{en|dis}able_gpe

2008-11-11T23:35:42+00:00

Disabling gpe might interfere with gpe detection/handling, thus producing "interrupt not handled" errors. Ironically, disabling of GPE from interrupt context is already under spinlock, so only userspace needs to start using it. Signed-off-by: Alexey Starikovskiy Signed-off-by: Len Brown