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Date: Wed, 30 Dec 2009 18:57:08 -0500 (EST)
From: Len Brown <lenb@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-acpi@...r.kernel.org
Subject: [git pull request] ACPI & driver patches for 2.6.33-rc2
Hi Linus,
please pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git release
5 thinkpad sound tweaks
4 needed error checks
3 regression bug fixes
2 debugging bootparams
and a BIOS workaround in a pear tree.
This will update the files shown below.
thanks!
--
Len Brown
Intel Open Source Technology Center
ps. individual patches are available on linux-acpi@...r.kernel.org
and a consolidated plain patch is available here:
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/patches/2.6.33/acpi-release-20091214-2.6.33-rc2.diff.gz
Documentation/kernel-parameters.txt | 5 ++-
Documentation/laptops/thinkpad-acpi.txt | 58 ++++++++++++++++++++++++++----
arch/x86/kernel/acpi/sleep.c | 2 +
drivers/acpi/sleep.c | 29 +++++++++------
drivers/acpi/video.c | 8 ++++-
drivers/char/ipmi/ipmi_si_intf.c | 4 +-
drivers/platform/x86/Kconfig | 28 ++++++++++++++
drivers/platform/x86/dell-wmi.c | 18 ++++++---
drivers/platform/x86/hp-wmi.c | 9 ++++-
drivers/platform/x86/msi-wmi.c | 9 ++++-
drivers/platform/x86/thinkpad_acpi.c | 59 +++++++++++++++++++++++-------
drivers/platform/x86/wmi.c | 36 +++++++++++++++++--
include/linux/acpi.h | 1 +
13 files changed, 214 insertions(+), 52 deletions(-)
through these commits:
Carlos Corbacho (1):
ACPI: WMI: Survive BIOS with duplicate GUIDs
Dmitry Torokhov (1):
dell-wmi - fix condition to abort driver loading
Henrique de Moraes Holschuh (5):
thinkpad-acpi: don't take the first ALSA slot by default
thinkpad-acpi: don't fail to load the entire module due to ALSA problems
thinkpad-acpi: make volume subdriver optional
thinkpad-acpi: update volume subdriver documentation
thinkpad-acpi: improve Kconfig help text
Ingo Molnar (1):
ACPI: fix ACPI=n allmodconfig build
Len Brown (3):
dell-wmi: sys_init_module: 'dell_wmi'->init suspiciously returned 21, it should
ACPI: hp-wmi, msi-wmi: clarify that wmi_install_notify_handler() returns an acpi_status
dell-wmi, hp-wmi, msi-wmi: check wmi_get_event_data() return value
Paul Rolland (1):
wmi: check find_guid() return value to prevent oops
Zhang Rui (3):
ACPI video: no warning message if "acpi_backlight=vendor" is used
ACPI video: correct error-handling code
ACPI: introduce kernel parameter acpi_sleep=sci_force_enable
with this log:
commit 1201b2a9bec0413188ada1443ece1a52da6dbff4
Merge: cccc67a d7f0eea
Author: Len Brown <len.brown@...el.com>
Date: Wed Dec 30 18:32:32 2009 -0500
Merge branch 'resume-sci-force-bootparam' into release
commit d7f0eea9e431e1b8b0742a74db1a9490730b2a25
Author: Zhang Rui <rui.zhang@...el.com>
Date: Wed Dec 30 15:36:42 2009 +0800
ACPI: introduce kernel parameter acpi_sleep=sci_force_enable
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@...el.com>
Acked-by: Rafael J. Wysocki <rjw@...k.pl>
Signed-off-by: Len Brown <len.brown@...el.com>
commit cccc67a4cf52a952e6371ac75510994e0bddec96
Merge: b943aa8 e01ce79
Author: Len Brown <len.brown@...el.com>
Date: Wed Dec 30 02:51:38 2009 -0500
Merge branch 'video-error-case' into release
commit b943aa83f8038959999a6b12e469a875ab245a36
Merge: ea840aa 28c32e9
Author: Len Brown <len.brown@...el.com>
Date: Wed Dec 30 02:51:31 2009 -0500
Merge branch 'bugzilla-13671' into release
commit ea840aa2d01cf107b331d04ddea46efaee583a83
Merge: 1ae22af 6e5b08e
Author: Len Brown <len.brown@...el.com>
Date: Wed Dec 30 02:51:05 2009 -0500
Merge branch 'thinkpad' into release
commit 1ae22af7d750fbf665b7651fcbd3c15cc2d3793b
Merge: 27d0567 d1f9e49
Author: Len Brown <len.brown@...el.com>
Date: Wed Dec 30 02:51:01 2009 -0500
Merge branch 'wmi' into release
commit d1f9e4970742bb1e22d07b01bd44f9c357d25c42
Author: Carlos Corbacho <carlos@...angeworlds.co.uk>
Date: Sat Dec 26 19:14:59 2009 +0000
ACPI: WMI: Survive BIOS with duplicate GUIDs
It would appear that in BIOS's with nVidia hooks, the GUID
05901221-D566-11D1-B2F0-00A0C9062910 is duplicated. For now, the simplest
solution is to just ignore any duplicate GUIDs. These particular hooks are not
currently supported/ used in the kernel, so whoever does that can figure out
what the 'right' solution should be (if there's a better one).
http://bugzilla.kernel.org/show_bug.cgi?id=14846
Signed-off-by: Carlos Corbacho <carlos@...angeworlds.co.uk>
Reported-by: Larry Finger <Larry.Finger@...inger.net>
Reported-by: Oldřich Jedlička <oldium.pro@...nam.cz>
Signed-off-by: Len Brown <len.brown@...el.com>
commit 7a9568f536754623738110a314ff33286cdbb17d
Author: Dmitry Torokhov <dmitry.torokhov@...il.com>
Date: Fri Dec 25 11:49:35 2009 -0800
dell-wmi - fix condition to abort driver loading
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
The commit 1fdd407f4e3f2ecb453954cbebb6c22491c61853 incorrectly made driver
abort loading when known GUID is present when it should have done exactly
the opposite.
Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
Signed-off-by: Len Brown <len.brown@...el.com>
commit c03b26a5a5597a59b2e247d005d5901430109a8a
Author: Paul Rolland <rol@...917.net>
Date: Wed Dec 30 01:07:40 2009 -0500
wmi: check find_guid() return value to prevent oops
Signed-off-by: Paul Rolland <rol@...917.net>
Signed-off-by: Len Brown <len.brown@...el.com>
commit fda11e61ff8a4e3a8ebbd434e46560b67cc0ca9d
Author: Len Brown <len.brown@...el.com>
Date: Sat Dec 26 23:02:24 2009 -0500
dell-wmi, hp-wmi, msi-wmi: check wmi_get_event_data() return value
When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER,
the caller must kfree the returned buffer if AE_OK is returned.
The callers of wmi_get_event_data() pass ACPI_ALLOCATE_BUFFER,
and thus must check its return value before accessing
or kfree() on the buffer.
Signed-off-by: Len Brown <len.brown@...el.com>
commit f27725756be8a2c2dc65eaf70d0b52807aa2f113
Author: Len Brown <len.brown@...el.com>
Date: Sat Dec 26 22:04:03 2009 -0500
ACPI: hp-wmi, msi-wmi: clarify that wmi_install_notify_handler() returns an acpi_status
Emphasize that that wmi_install_notify_handler() returns an acpi_status
rather than -errno by by testing ACPI_SUCCESS(), ACPI_FAILURE().
No functional change in this patch, but this confusion caused a bug in dell-wmi.
Signed-off-by: Len Brown <len.brown@...el.com>
commit abb631bfe271a9102fb5b05419272b7aec37a974
Author: Len Brown <len.brown@...el.com>
Date: Sat Dec 26 21:51:38 2009 -0500
dell-wmi: sys_init_module: 'dell_wmi'->init suspiciously returned 21, it should
follow 0/-E convention
wmi_install_notify_handler() returns an acpi_error,
but dell_wmi_init() needs return a -errno style error.
Tested-by: Paul Rolland <rol@...917.net>
Signed-off-by: Len Brown <len.brown@...el.com>
commit e01ce79b7f6ebc5b57128ee058811aa8f9059319
Author: Zhang Rui <rui.zhang@...el.com>
Date: Wed Jul 29 08:53:29 2009 +0800
ACPI video: correct error-handling code
backlight_device_register may return an ERR_PTR
value rather than a valid pointer.
Problem found by Julia Lawall, properly fixed by Zhang Rui.
Signed-off-by: Zhang Rui <rui.zhang@...el.com>
Acked-by: Julia Lawall <julia@...u.dk>
Signed-off-by: Len Brown <len.brown@...el.com>
commit 28c32e99bdf5ab838e7179c1aaca5a35a07f2a2b
Author: Zhang Rui <rui.zhang@...el.com>
Date: Mon Jul 13 10:33:24 2009 +0800
ACPI video: no warning message if "acpi_backlight=vendor" is used
AML code always sends notifications to ACPI video device,
even if we disable the ACPI backlight control by using
boot option "acpi_backlight=vendor".
In this case we should not print any warning message.
http://bugzilla.kernel.org/show_bug.cgi?id=13671#c14
Sigend-off-by: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
commit 27d0567ab635bc2af11be48f91c8d5a7a2dca2e4
Author: Ingo Molnar <mingo@...e.hu>
Date: Thu Dec 17 08:50:25 2009 +0100
ACPI: fix ACPI=n allmodconfig build
Today's -tip failed to build because commit
9e368fa011d4e0aa050db348d69514900520e40b ("ipmi: add PNP discovery (ACPI
namespace via PNPACPI)") from today's upstream kernel causes the following
build failure on x86, for CONFIG_ACPI=n && CONFIG_IPMI_SI=y:
drivers/char/ipmi/ipmi_si_intf.c:3208: error: 'ipmi_pnp_driver' undeclared (first use in this function)
drivers/char/ipmi/ipmi_si_intf.c:3208: error: (Each undeclared identifier is reported only once
drivers/char/ipmi/ipmi_si_intf.c:3208: error: for each function it appears in.)
drivers/char/ipmi/ipmi_si_intf.c:3334: error: 'ipmi_pnp_driver' undeclared (first use in this function)
The reason is that the ipmi_pnp_driver depends on ACPI facilities and is only
made available under ACPI - while the registration and unregistration is made
dependent on CONFIG_PNP:
#ifdef CONFIG_PNP
pnp_register_driver(&ipmi_pnp_driver);
#endif
The solution is to only register this driver under ACPI. (Also, the CONFIG_PNP
dependency is not needed because pnp_register_driver() is stubbed out in the
!CONFIG_PNP case.)
Signed-off-by: Ingo Molnar <mingo@...e.hu>
Acked-by: Myron Stowe <myron.stowe@...com>
Signed-off-by: Len Brown <len.brown@...el.com>
commit 6e5b08ee941af38cfc6456158e7e04c1bc49306f
Author: Henrique de Moraes Holschuh <hmh@....eng.br>
Date: Sat Dec 26 22:52:17 2009 -0200
thinkpad-acpi: improve Kconfig help text
Document that rfkill and ALSA functionality exists, but requires the
subsystems to be available, and not modular if thinkpad-acpi is not
modular.
Signed-off-by: Henrique de Moraes Holschuh <hmh@....eng.br>
Signed-off-by: Len Brown <len.brown@...el.com>
commit 169220f88f0f26f4450ac0bc8ff0f807b453ec58
Author: Henrique de Moraes Holschuh <hmh@....eng.br>
Date: Sat Dec 26 22:52:16 2009 -0200
thinkpad-acpi: update volume subdriver documentation
Signed-off-by: Henrique de Moraes Holschuh <hmh@....eng.br>
Signed-off-by: Len Brown <len.brown@...el.com>
commit ff850c339a1a6a7724537160c73cdc09a483fc5d
Author: Henrique de Moraes Holschuh <hmh@....eng.br>
Date: Sat Dec 26 22:52:15 2009 -0200
thinkpad-acpi: make volume subdriver optional
Allow the user to choose through Kconfig if the Console Audio Control
interface (aka "volume subdriver") should be available or not.
This not only saves some memory, but also allows the thinkpad-acpi
driver to be built-in even if ALSA is modular when the console audio
control interface is not wanted.
This change fixes a build problem that is causing some annoyances, in
a way that doesn't disable the entire driver on kernels without ALSA
support.
Signed-off-by: Henrique de Moraes Holschuh <hmh@....eng.br>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Amerigo Wang <amwang@...hat.com>
Cc: Helight Xu <helight.xu@...il.com>
Cc: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Len Brown <len.brown@...el.com>
commit 74c75c1848b618f6717c1be887ad539ffac2e96d
Author: Henrique de Moraes Holschuh <hmh@....eng.br>
Date: Sat Dec 26 22:52:14 2009 -0200
thinkpad-acpi: don't fail to load the entire module due to ALSA problems
If we cannot create the ALSA mixer, it is a good reason to fail to
load the volume subdriver, and not to fail to load the entire module.
While at it, add more debugging messages, as the error paths are being
used a lot more than I'd expect, and it is failing to set up the ALSA
mixer on a number of ThinkPads.
Reported-by: Peter Jordan <usernetwork@....info>
Signed-off-by: Henrique de Moraes Holschuh <hmh@....eng.br>
Signed-off-by: Len Brown <len.brown@...el.com>
commit ead510cebcdf41c92fce2a909f342255b028a33d
Author: Henrique de Moraes Holschuh <hmh@....eng.br>
Date: Sat Dec 26 22:52:13 2009 -0200
thinkpad-acpi: don't take the first ALSA slot by default
We don't want to be the first soundcard. We don't want to shift other
soundcards out of the way either, even if they load much later.
Ask ALSA to (by default) load us in one of the last three slots. This
can be overriden at will using the "index" parameter.
Reported-by: Whoopie <whoopie79@....net>
Signed-off-by: Henrique de Moraes Holschuh <hmh@....eng.br>
Signed-off-by: Len Brown <len.brown@...el.com>
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