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path: root/drivers/acpi/sleep.c
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* ACPI: introduce kernel parameter acpi_sleep=sci_force_enableZhang Rui2009-12-30
| | | | | | | | | | | | | | | | Introduce kernel parameter acpi_sleep=sci_force_enable some laptop requires SCI_EN being set directly on resume, or else they hung somewhere in the resume code path. We already have a blacklist for these laptops but we still need this option, especially when debugging some suspend/resume problems, in case there are systems that need this workaround and are not yet in the blacklist. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: DMI init_set_sci_en_on_resume for HP-Compaq C700Len Brown2009-11-23
| | | | | | | | ...else ACPI thermal controls fail after resume. http://bugzilla.kernel.org/show_bug.cgi?id=13745 Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: sleep: another HP/Compaq DMI entries for init_set_sci_en_on_resumeVaibhav Verma2009-11-05
| | | | | | http://bugzilla.kernel.org/show_bug.cgi?id=13745 Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: add DMI entry for SCI_EN resume quirk on HP dv4Gustavo Maciel Dias Vieira2009-11-05
| | | | | | | | | | | Fixes the missing battery on sleep problem for yet another HP laptop ("HP Pavilion dv4"). Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=13449 Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'linus' into releaseLen Brown2009-09-19
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| * PCI / ACPI PM: Propagate wake-up enable for devices w/o ACPI supportRafael J. Wysocki2009-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some PCI devices (not PCI Express), like PCI add-on cards, can generate PME#, but they don't have any special platform wake-up support. For this reason, even if they generate PME# to wake up the system from a sleep state, wake-up events are not generated by the platform. It turns out that, at least on some systems, PCI bridges and the PCI host bridge have ACPI GPEs associated with them that, if enabled to generate wake-up events, allow the system to wake up if one of the add-on devices asserts PME# while the system is in a sleep state. Following this observation, if a PCI device without direct ACPI wake-up support is prepared to wake up the system during a transition into a sleep state (eg. suspend to RAM), try to configure the bridges on the path from the device to the root bridge to wake-up the system. Reviewed-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| * PCI / ACPI PM: Rework some debug messagesRafael J. Wysocki2009-09-09
| | | | | | | | | | | | | | | | | | | | Move a debug message from acpi_pci_sleep_wake() to acpi_pm_device_sleep_wake() and use the standard dev_*() macros in there. Reviewed-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* | ACPI: sleep: another HP DMI entry for init_set_sci_en_on_resumeLen Brown2009-08-29
|/ | | | | | | | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv3 Notebook PC") http://bugzilla.kernel.org/show_bug.cgi?id=13745 Signed-off-by: Len Brown <len.brown@intel.com>
* PM / ACPI: HP G7000 Notebook needs a SCI_EN resume quirkBartlomiej Zolnierkiewicz2009-07-29
| | | | | | | | | | | | | | | This fixes regression (battery "vanishing" on resume) introduced by commit d0c71fe7ebc180f1b7bc7da1d39a07fc19eec768 ("ACPI Suspend: Enable ACPI during resume if SCI_EN is not set") and also the issue with the "screaming" IRQ 9. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=13745 Reported-and-tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Cc: stable@kernel.org Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Len Brown <lenb@kernel.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* Merge branch 'bugzilla-13041' into releaseLen Brown2009-04-24
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| * ACPI: Disable _GTS and _BFS support by defaultLen Brown2009-04-17
| | | | | | | | | | | | | | | | | | | | | | | | Executing BIOS code paths not exercised by Windows tends to get Linux into trouble. However, if a system does benefit from _GTS or _BFS, acpi.gts=1 an acpi.bfs=1 are now available to enable them. http://bugzilla.kernel.org/show_bug.cgi?id=13041 Signed-off-by: Len Brown <len.brown@intel.com>
* | PM/Suspend: Introduce two new platform callbacks to avoid breakageRafael J. Wysocki2009-04-19
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 900af0d973856d6feb6fc088c2d0d3fde57707d3 (PM: Change suspend code ordering) changed the ordering of suspend code in such a way that the platform .prepare() callback is now executed after the device drivers' late suspend callbacks have run. Unfortunately, this turns out to break ARM platforms that need to talk via I2C to power control devices during the .prepare() callback. For this reason introduce two new platform suspend callbacks, .prepare_late() and .wake(), that will be called just prior to disabling non-boot CPUs and right after bringing them back on line, respectively, and use them instead of .prepare() and .finish() for ACPI suspend. Make the PM core execute the .prepare() and .finish() platform suspend callbacks where they were executed previously (that is, right after calling the regular suspend methods provided by device drivers and right before executing their regular resume methods, respectively). It is not necessary to make analogous changes to the hibernation code and data structures at the moment, because they are only used by ACPI platforms. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Len Brown <len.brown@intel.com>
* Merge branch 'misc' into releaseLen Brown2009-04-05
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| * ACPI: suspend: Add the Pansonic CF51 box to the dmi check tableZhao Yakui2009-04-03
| | | | | | | | | | | | | | | | | | | | The Pansonic CF51-2L requires "acpi_sleep=old_ordering", so invoke it automatically via DMI. http://bugzilla.kernel.org/show_bug.cgi?id=12561 Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'bjorn-initcall-cleanup' into releaseLen Brown2009-04-05
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| * | ACPI: move private declarations to internal.hBjorn Helgaas2009-03-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A number of things that shouldn't be exposed outside the ACPI core were declared in include/acpi/acpi_drivers.h, where anybody can see them. This patch moves those declarations to a new "internal.h" inside drivers/acpi. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | ACPICA: Rename ACPI bit register access functionsBob Moore2009-03-26
| |/ |/| | | | | | | | | | | | | | | | | Rename acpi_get_register and acpi_set_register to clarify the purpose of these functions. New names are acpi_read_bit_register and acpi_write_bit_register. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPI suspend: Blacklist Toshiba Satellite L300 that requires to set SCI_EN ↵Zhang Rui2009-03-16
| | | | | | | | | | | | | | | | | | | | directly on resume This is a supplement of commit 65df78473ffbf3bff5e2034df1638acc4f3ddd50. http://bugzilla.kernel.org/show_bug.cgi?id=12798 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | suspend: switch the Asus Pundit P1-AH2 to old ACPI sleep orderingAndy Whitcroft2009-03-16
|/ | | | | | | | | | Switch the Asus Pundit P1-AH2 (M2N8L motherboard) to the old ACPI 1.0 sleep ordering by default. Without this it will not suspend/resume correctly. Signed-off-by: Andy Whitcroft <apw@canonical.com> Tested-by: Dustin Kirkland <kirkland@canonical.com> Signed-off-by: Len Brown <len.brown@intel.com>
*-. Merge branches 'release', 'asus', 'bugzilla-12450', 'cpuidle', 'debug', ↵Len Brown2009-02-07
|\ \ | | | | | | | | | 'ec', 'misc', 'printk' and 'processor' into release
| | * ACPI: add missing KERN_* constants to printksFrank Seidel2009-02-07
| |/ |/| | | | | | | | | | | | | | | According to kerneljanitors todo list all printk calls (beginning a new line) should have an according KERN_* constant. Those are the missing peaces here for the acpi subsystem. Signed-off-by: Frank Seidel <frank@f-seidel.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI suspend: Fix compilation warnings in drivers/acpi/sleep.cRafael J. Wysocki2009-01-16
|/ | | | | | | | | | Fix two compilation warnings in drivers/acpi/sleep.c, one triggered by unsetting CONFIG_SUSPEND and the other triggered by unsetting CONFIG_HIBERNATION, by moving some code under the appropriate #ifdefs . Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: rename main.c to sleep.cLen Brown2009-01-16
Signed-off-by: Len Brown <len.brown@intel.com>
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