Eric Lee / smarc-fsl-linux-kernel

05 Apr, 2009

3 commits

03 Apr, 2009

2 commits

28 Mar, 2009

1 commit

  • 018f452e9   ACPI: tidy up makefile ... Browse Code »

    This patch removes the suggestion that ec.o link order is important,
    because it doesn't matter since acpi_ec_init() is no longer an initcall.
    And it puts together most of the core modules that are not configurable.

    Signed-off-by: Bjorn Helgaas
    Signed-off-by: Len Brown

    Bjorn Helgaas
     

22 Feb, 2009

1 commit

  • ba193d64a   ACPI: remove CONFIG_ACPI_SYSTEM ... Browse Code »

    Remove CONFIG_ACPI_SYSTEM. It was always set the same as CONFIG_ACPI,
    and it had no menu label, so there was no way to set it to anything
    other than "y".

    Some things under CONFIG_ACPI_SYSTEM (acpi_irq_handled, acpi_os_gpe_count(),
    event_is_open, register_acpi_notifier(), etc.) are used unconditionally
    by the CA, the OSPM, and drivers, so we depend on them always being
    present.

    Signed-off-by: Bjorn Helgaas
    Signed-off-by: Len Brown

    Bjorn Helgaas
     

17 Jan, 2009

1 commit

09 Jan, 2009

2 commits

19 Dec, 2008

1 commit

12 Nov, 2008

1 commit

08 Nov, 2008

1 commit

  • c3d6de698   ACPI video: if no ACPI backlight support, use vendor drivers ... Browse Code »

    If an ACPI graphics device supports backlight brightness functions (cmp. with
    latest ACPI spec Appendix B), let the ACPI video driver control backlight and
    switch backlight control off in vendor specific ACPI drivers (asus_acpi,
    thinkpad_acpi, eeepc, fujitsu_laptop, msi_laptop, sony_laptop, acer-wmi).

    Currently it is possible to load above drivers and let both poke on the
    brightness HW registers, the video and vendor specific ACPI drivers -> bad.

    This patch provides the basic support to check for BIOS capabilities before
    driver loading time. Driver specific modifications are in separate follow up
    patches.

    "acpi_backlight=vendor"
    Prever vendor driver over ACPI driver for backlight.
    "acpi_backlight=video" (default)
    Prever ACPI driver over vendor driver for backlight.

    Signed-off-by: Thomas Renninger
    Acked-by: Zhang Rui
    Signed-off-by: Andi Kleen
    Signed-off-by: Len Brown

    Thomas Renninger
     

07 Nov, 2008

2 commits

  • 8950d89ac   ACPI: remove CONFIG_ACPI_EC ... Browse Code »

    Remove CONFIG_ACPI_EC. It was always set the same as CONFIG_ACPI,
    and it had no menu label, so there was no way to set it to anything
    other than "y".

    Per section 6.5.4 of the ACPI 3.0b specification,

    OSPM must make Embedded Controller operation regions, accessed
    via the Embedded Controllers described in ECDT, available before
    executing any control method.

    The ECDT table is optional, but if it is present, the above text
    means that the EC it describes is a required part of the ACPI
    subsystem, so CONFIG_ACPI_EC=n wouldn't make sense.

    Signed-off-by: Bjorn Helgaas
    Acked-by: Alexey Starikovskiy
    Signed-off-by: Len Brown

    Bjorn Helgaas
     
  • fefe5ab3d   ACPI: remove CONFIG_ACPI_POWER ... Browse Code »

    Remove CONFIG_ACPI_POWER. It was always set the same as CONFIG_ACPI,
    and it had no menu label, so there was no way to set it to anything
    other than "y".

    The interfaces under CONFIG_ACPI_POWER (acpi_device_sleep_wake(),
    acpi_power_transition(), etc) are called unconditionally from the
    ACPI core, so we already depend on it always being present.

    Signed-off-by: Bjorn Helgaas
    Signed-off-by: Len Brown

    Bjorn Helgaas
     

23 Oct, 2008

1 commit

  • 5eaff7221   ACPI: hack around sysfs warning with link order ... Browse Code »

    There exists the following warning message will appear after the
    following commit is merged.
    >commit f2e969acd6d5981e6b1272810002558650d0736e
    >Author: Zhao Yakui
    >Date: Mon Aug 11 14:57:50 2008 +0800
    >ACPI: Add "acpi.power_nocheck=1" to disable power state check in
    power transition:

    >WARNING: at linux-2.6/fs/sysfs/dir.c:463 sysfs_add_one+0x33/0x39()
    >sysfs: duplicate filename 'acpi' can not be created
    >kobject_add_internal failed for acpi with -EEXIST, don't try to register
    things with the same name in the same directory

    In the above commit the "acpi.power_nocheck" module parameter is defined
    in drivers/acpi/power.c file. As several module parameters using the same ACPI
    prefix are defined in the different files(for example: power_nocheck is
    defined in drivers/acpi/power.c,debug_layer/debug_level are defined in
    drivers/acpi/debug.c) and there exists another module between them, the
    warning message will be printed when using the current generic param code.
    (In the function of param_sysfs_init).

    In fact when ACPI is selected, the drivers/acpi/power will also be compiled
    as built-in kernel.So this issue can be fixed by the following approach.
    workaround it by adjusting the module link order in drivers/acpi/Makefile.
    In such case the module parameter using the same prefix(ACPI) are put together
    in the param data section.

    Of course the better solution is to fix it in generic param code related
    with sysfs.

    Signed-off-by: Zhao Yakui
    Signed-off-by: Len Brown

    Zhao Yakui
     

24 Sep, 2008

1 commit

17 Jul, 2008

2 commits

  • dc7c65db2   Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 ... Browse Code »

    * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (72 commits)
    Revert "x86/PCI: ACPI based PCI gap calculation"
    PCI: remove unnecessary volatile in PCIe hotplug struct controller
    x86/PCI: ACPI based PCI gap calculation
    PCI: include linux/pm_wakeup.h for device_set_wakeup_capable
    PCI PM: Fix pci_prepare_to_sleep
    x86/PCI: Fix PCI config space for domains > 0
    Fix acpi_pm_device_sleep_wake() by providing a stub for CONFIG_PM_SLEEP=n
    PCI: Simplify PCI device PM code
    PCI PM: Introduce pci_prepare_to_sleep and pci_back_from_sleep
    PCI ACPI: Rework PCI handling of wake-up
    ACPI: Introduce new device wakeup flag 'prepared'
    ACPI: Introduce acpi_device_sleep_wake function
    PCI: rework pci_set_power_state function to call platform first
    PCI: Introduce platform_pci_power_manageable function
    ACPI: Introduce acpi_bus_power_manageable function
    PCI: make pci_name use dev_name
    PCI: handle pci_name() being const
    PCI: add stub for pci_set_consistent_dma_mask()
    PCI: remove unused arch pcibios_update_resource() functions
    PCI: fix pci_setup_device()'s sprinting into a const buffer
    ...

    Fixed up conflicts in various files (arch/x86/kernel/setup_64.c,
    arch/x86/pci/irq.c, arch/x86/pci/pci.h, drivers/acpi/sleep/main.c,
    drivers/pci/pci.c, drivers/pci/pci.h, include/acpi/acpi_bus.h) from x86
    and ACPI updates manually.

    Linus Torvalds
     
  • 4d3870431   Add the ability to reset the machine using the RESET_REG in ACPI's FADT table. ... Browse Code »

    Signed-off-by: Aaron Durbin
    Signed-off-by: Andi Kleen
    Cc: Len Brown
    Cc: Andi Kleen
    Signed-off-by: Andrew Morton

    Aaron Durbin
     

11 Jun, 2008

1 commit

  • 8344b568f   PCI: ACPI PCI slot detection driver ... Browse Code »

    Detect all physical PCI slots as described by ACPI, and create entries in
    /sys/bus/pci/slots/.

    Not all physical slots are hotpluggable, and the acpiphp module does not
    detect them. Now we know the physical PCI geography of our system, without
    caring about hotplug.

    [kaneshige.kenji@jp.fujitsu.com: export-kobject_rename-for-pci_hotplug_core]
    Signed-off-by: Kenji Kaneshige
    Acked-by: Greg KH
    [akpm@linux-foundation.org: build fix]
    [akpm@linux-foundation.org: fix build with CONFIG_DMI=n]
    Signed-off-by: Alex Chiang
    Cc: Greg KH
    Cc: Kristen Carlson Accardi
    Cc: Len Brown
    Acked-by: Len Brown
    Acked-by: Kenji Kaneshige
    Signed-off-by: Andrew Morton
    Signed-off-by: Andrew Morton
    Signed-off-by: Jesse Barnes

    Alex Chiang
     

09 Feb, 2008

1 commit

06 Feb, 2008

1 commit

  • bff431e49   ACPI: WMI: Add ACPI-WMI mapping driver ... Browse Code »

    The following is an implementation of the Windows Management
    Instrumentation (WMI) ACPI interface mapper (PNP0C14).

    What it does:

    Parses the _WDG method and exports functions to process WMI method calls,
    data block query/ set commands (both based on GUID) and does basic event
    handling.

    How: WMI presents an in kernel interface here (essentially, a minimal
    wrapper around ACPI)

    (const char *guid assume the 36 character ASCII representation of
    a GUID - e.g. 67C3371D-95A3-4C37-BB61-DD47B491DAAB)

    wmi_evaluate_method(const char *guid, u8 instance, u32 method_id,
    const struct acpi_buffer *in, struct acpi_buffer *out)

    wmi_query_block(const char *guid, u8 instance,
    struct acpi_buffer *out)

    wmi_set_block(const char *guid, u38 instance,
    const struct acpi_buffer *in)

    wmi_install_notify_handler(acpi_notify_handler handler);

    wmi_remove_notify_handler(void);

    wmi_get_event_data(u32 event, struct acpi_buffer *out)

    wmi_has_guid(const char guid*)

    wmi_has_guid() is a helper function to find if a GUID exists or not on the
    system (a quick and easy way for WMI dependant drivers to see if the
    the method/ block they want exists, since GUIDs are supposed to be unique).

    Event handling - allow a WMI based driver to register a notifier handler
    for each GUID with WMI. When a notification is sent to a GUID in WMI, the
    handler registered with WMI is then called (it is left to the caller to
    ask for the WMI event data associated with the GUID, if needed).

    What it won't do:

    Unicode - The MS article[1] calls for converting between ASCII and Unicode (or
    vice versa) if a GUID is marked as "string". This is left up to the calling
    driver.

    Handle a MOF[1] - the WMI mapper just exports methods, data and events to
    userspace. MOF handling is down to userspace.

    Userspace interface - this will be added later.

    [1] http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx

    ===
    ChangeLog
    ==

    v1 (2007-10-02):

    * Initial release

    v2 (2007-10-05):

    * Cleaned up code - split up super "wmi_evaluate_block" -> each external
    symbol now handles its own ACPI calls, rather than handing off to
    a "super" method (and in turn, is a lot simpler to read)
    * Added a find_guid() symbol - return true if a given GUID exists on
    the system
    * wmi_* functions now return type acpi_status (since they are just
    fancy wrappers around acpi_evaluate_object())
    * Removed extra debug code

    v3 (2007-10-27)

    * More code clean up - now passes checkpatch.pl
    * Change data block calls - ref MS spec, method ID is not required for
    them, so drop it from the function parameters.
    * Const'ify guid in the function call parameters.
    * Fix _WDG buffer handling - copy the data to our own private structure.
    * Change WMI from tristate to bool - otherwise the external functions are
    not exported in linux/acpi.h if you try to build WMI as a module.
    * Fix more flag comparisons.
    * Add a maintainers entry - since I wrote this, I should take the blame
    for it.

    v4 (2007-10-30)

    * Add missing brace from after fixing checkpatch errors.
    * Rewrote event handling - allow external drivers to register with WMI to
    handle WMI events
    * Clean up flags and sanitise flag handling

    v5 (2007-11-03)

    * Add sysfs interface for userspace. Export events over netlink again.
    * Remove module left overs, fully convert to built-in driver.
    * Tweak in-kernel API to use u8 for instance, since this is what the GUID
    blocks use (so instance cannot be greater than u8).
    * Export wmi_get_event_data() for in kernel WMI drivers.

    v6 (2007-11-07)

    * Split out userspace into a different patch

    v7 (2007-11-20)

    * Fix driver to handle multiple PNP0C14 devices - store all GUIDs using
    the kernel's built in list functions, and just keep adding to the list
    every time we handle a PNP0C14 devices - GUIDs will always be unique,
    and WMI callers do not know or care about different devices.
    * Change WMI event handler registration to use its' own event handling
    struct; we should not pass an acpi_handle down to any WMI based drivers
    - they should be able to function with only the calls provided in WMI.
    * Update my e-mail address

    v8 (2007-11-28)

    * Convert back to a module.
    * Update Kconfig to default to building as a module.
    * Remove an erroneous printk.
    * Simply comments for string flag (since we now leave the handling to the
    caller).

    v9 (2007-12-07)

    * Add back missing MODULE_DEVICE_TABLE for autoloading
    * Checkpatch fixes

    v10 (2007-12-12)

    * Workaround broken GUIDs declared expensive without a WCxx method.
    * Minor cleanups

    v11 (2007-12-17)

    * More fixing for broken GUIDs declared expensive without a WCxx method.
    * Add basic EmbeddedControl region handling.

    v12 (2007-12-18)

    * Changed EC region handling code, as per Alexey's comments.

    v13 (2007-12-27)

    * Changed event handling so that we can have one event handler registered
    per GUID, as per Matthew Garrett's suggestion.

    v14 (2008-01-12)

    * Remove ACPI debug statements

    v15 (2008-02-01)

    * Replace two remaining 'x == NULL' type tests with '!x'

    v16 (2008-02-05)

    * Change MAINTAINERS entry, as I am not, and never have been, paid to work
    on WMI
    * Remove 'default' line from Kconfig

    Signed-off-by: Carlos Corbacho
    CC: Matthew Garrett
    CC: Alexey Starikovskiy
    Signed-off-by: Len Brown

    Carlos Corbacho
     

20 Nov, 2007

1 commit

28 Sep, 2007

1 commit

29 Apr, 2007

2 commits

26 Mar, 2007

1 commit

22 Mar, 2007

1 commit

10 Mar, 2007

1 commit

17 Feb, 2007

1 commit

03 Feb, 2007

3 commits

26 Jan, 2007

1 commit

16 Dec, 2006

1 commit

  • a7178df5e   ACPI: adjust init order ... Browse Code »

    Adjust link order to add ACPI devices to global list before PCI devices.
    In addition, acpi_bus type must be initialized before any driver loads.

    Signed-off-by: Zhang Rui
    Signed-off-by: Len Brown

    Li Shaohua
     

10 Jul, 2006

1 commit

09 Jul, 2006

1 commit

02 Jul, 2006

1 commit

  • 3f86b8324   ACPI: add support for Smart Battery ... Browse Code »

    Most batteries today are ACPI "Control Method" batteries,
    but some models ship with the older "Smart Battery"
    that requires this code.

    Rich Townsend and Bruno Ducrot were the original authors.
    Vladimir Lebedev updated to run on latest kernel.

    http://bugzilla.kernel.org/show_bug.cgi?id=3734

    Signed-off-by: Len Brown

    Rich Townsend
     

28 Jun, 2006

1 commit

  • a5e1b9400   ACPI: dock driver ... Browse Code »

    Create a driver which lives in the acpi subsystem to handle dock events.
    This driver is not an "ACPI" driver, because acpi drivers require that the
    object be present when the driver is loaded.

    Signed-off-by: Kristen Carlson Accardi
    Cc: Dave Hansen
    Signed-off-by: Andrew Morton
    Signed-off-by: Len Brown

    Kristen Accardi
     

01 Dec, 2005

1 commit