Commit Graph

526 Commits

Author SHA1 Message Date
Sreedhara DS
b4fd4f890b intel_scu_ipc: Oops/crash fixes
- fix reversing of command/sub arguments
- fix a crash if the i2c interface is called before the device is found

Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-19 13:17:37 -07:00
Alan Cox
2e8949f09e intel_scu_ipc: Length fix
Commands with data must set the length in the message.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-01 08:40:47 -07:00
Lee, Chun-Yi
785cfc0324 Move N014, N051 and CR620 dmi information to load scm dmi table
Found the N014, N051 and CR620 are must the same with N034 there are
load scm serial model. So, this patch move N014, N051 and CR620 dmi
information to right dmi table: msi_load_scm_models_dmi_table[]

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
2010-05-20 10:16:13 -04:00
Daniel Mack
b7670ed650 drivers/platform/x86/eeepc-wmi.c: fix build warning
drivers/platform/x86/eeepc-wmi.c: In function ‘eeepc_wmi_notify’:
drivers/platform/x86/eeepc-wmi.c:209: warning: ‘new’ may be used uninitialized in this function
drivers/platform/x86/eeepc-wmi.c:209: note: ‘new’ was declared here

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Yong Wang <yong.y.wang@intel.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Tejun Heo <tj@kernel.org>
Cc: platform-driver-x86@vger.kernel.org
Acked-By: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-05-20 09:46:24 -04:00
Thomas Renninger
a929aae0e0 X86 platfrom wmi: Add debug facility to dump WMI data in a readable way
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-05-20 09:46:21 -04:00
Thomas Renninger
7715348cbe X86 platform wmi: Also log GUID string when an event happens and debug is set
Output in log with debug=1:
ACPI: WMI: DEBUG Event INTEGER_TYPE - 65535
ACPI: WMI: DEBUG Event GUID: CC1A61AC-4256-41A3-B9E0-05A445ADE2F5

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-05-20 09:46:18 -04:00
Thomas Renninger
fc3155b2c6 X86 platform wmi: Introduce debug param to log all WMI events
To give people easily an idea what could be WMI driven on their system.
Introduces:
wmi.debug=[01]

Tested on an acer:
ACPI: WMI: DEBUG Event INTEGER_TYPE - 65535

Situation where a driver registers for specific event and debug
handler gets overridden and set again if the registering driver gets
unloaded again is untested, but should work.

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: platform-driver-x86@vger.kernel.org
CC: mjg59@srcf.ucam.org
CC: corentin.chary@gmail.com
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-05-20 09:46:15 -04:00
Lee, Chun-Yi
7ab52521f2 Clean up all objects used by scm model when driver initial fail or exit
Clean up i8042 filter, rfkill and cancel delayed work when msi-laptop driver initial fail or exit on MSI scm model.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
2010-05-20 09:46:12 -04:00
Greg Kroah-Hartman
1ac34072bd msi-laptop: fix up some coding style issues found by checkpatch
Cc: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-20 09:46:09 -04:00
Lee, Chun-Yi
339e75329a msi-laptop: Add i8042 filter to sync sw state with BIOS when function key pressed
There have some MSI netbook change devices state by EC when user press
wlan/bluetooth/wwan function keys. So, add a i8042 filter to sync sw
state with BIOS when function keys pressed.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-20 09:45:56 -04:00
Lee, Chun-Yi
3bb970214f msi-laptop: Set rfkill init state when msi-laptop intiial
Setup Wlan/Bluetooth/3G rfkill initial state to sync with the hardware
state from EC 0x2e address.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-20 09:30:20 -04:00
Lee, Chun-Yi
1f27e17bfa msi-laptop: Add MSI CR620 notebook dmi information to scm models table
Add new MSI notebook CR620 dmi information to scm models table.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-20 09:30:20 -04:00
Lee, Chun-Yi
d0a4aa2b26 msi-laptop: Add N014 N051 dmi information to scm models table
Add new MSI netbook N014 and N051 dmi information to scm models table.

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-20 09:30:20 -04:00
Julia Lawall
2c6719a3ef drivers/platform/x86: Use kmemdup
Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
2010-05-20 09:26:13 -04:00
Julia Lawall
6c75dd0f96 drivers/platform/x86: Use kzalloc
Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
2010-05-20 09:26:13 -04:00
Matthew Garrett
420f5f0c5a Merge branch 'for-upstream/platform-x86_tpacpi' of git://repo.or.cz/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6 into x86-platform 2010-05-20 09:24:29 -04:00
Matthew Garrett
6c62673cf5 drivers/platform/x86: Clarify the MRST IPC driver description slightly
Make it clear that this driver is only needed for embedded hardware,
not PCs.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-05-17 12:08:33 -04:00
Randy Dunlap
89a7644be2 eeepc-wmi: depends on BACKLIGHT_CLASS_DEVICE
eeepc-wmi uses backlight*() interfaces so it should depend on
BACKLIGHT_CLASS_DEVICE.

eeepc-wmi.c:(.text+0x2d7f54): undefined reference to `backlight_force_update'
eeepc-wmi.c:(.text+0x2d8012): undefined reference to `backlight_device_register'
eeepc-wmi.c:(.devinit.text+0x1c31c): undefined reference to `backlight_device_unregister'
eeepc-wmi.c:(.devexit.text+0x2f8b): undefined reference to `backlight_device_unregister'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: stable@kernel.org
2010-05-17 12:08:23 -04:00
Sreedhara DS
9a58a33339 IPC driver for Intel Mobile Internet Device (MID) platforms
The IPC (inter processor communications) is used to provide the
communications between kernel and system control units on some embedded
Intel x86 platforms.

(Various bits of clean up and restructuring by Alan Cox)

Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
2010-05-17 12:06:07 -04:00
Thadeu Lima de Souza Cascardo
d5c051f108 classmate-laptop: Add RFKILL support.
The RFKILL device shares the same ACPI device used for backlight. So, it
required a new struct sharing both a backlight_device and a rfkill
device.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
2010-05-17 12:06:01 -04:00
Henrique de Moraes Holschuh
7d9745cf23 thinkpad-acpi: document backlight level writeback at driver init
Document this, it is no fun to try to second guess why this sort of
stuff is in place years after it was added...

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:57 -03:00
Henrique de Moraes Holschuh
ef07a5abad thinkpad-acpi: clean up ACPI handles handling
1. Remove <handle>_path, as its only user was already removed in
   a previous commit

2. Move all handle initialization, as well as <handle>_parent and
   <handle>_paths to __init.* sections.  This reduces the driver's
   runtime footprint nicely.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:54 -03:00
Henrique de Moraes Holschuh
2cbb5c8f55 thinkpad-acpi: don't depend on led_path for led firmware type (v2)
Don't depend on the contents of led_path to know which LED interface
the firmware wants.

This removes the only user of *_path for the thinkpad-acpi ACPI
handlers, which will simplify future code.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:50 -03:00
Henrique de Moraes Holschuh
72f1992121 thinkpad-acpi: explain errors from acpi_install_notify_handler
Log more human-friendly errors instead of numeric values when
setup_acpi_notify() fails to install a notification handler.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:48 -03:00
Henrique de Moraes Holschuh
263f4a30e4 thinkpad-acpi: acpi_evalf fixes
Use acpi_format_exception() in acpi_evalf() instead of logging numeric
errors.

Also, when ACPICA returns an error, we should not be touching the return
object, as it is invalid.  In debug mode, acpi_evalf() callers would
printk the returned crap (but fortunately, not use it).

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:45 -03:00
Henrique de Moraes Holschuh
437e470c4c thinkpad-acpi: detect EC node using its HID (v2)
Use the EC HID (PNP0C09) to locate its main node, instead of a static
list.

Suggested-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Matthew Garrett <mjg@redhat.com>
2010-05-16 19:45:43 -03:00
Henrique de Moraes Holschuh
38e11cdec9 thinkpad-acpi: disclose usertask for ALSA callbacks
Disclose the user task doing ALSA access when requested by
the debug bitmask.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:40 -03:00
Henrique de Moraes Holschuh
2899902281 thinkpad-acpi: fix brightness hotkey poll handling
Handle multiple brightness hotkey presses between two polling cycles.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:36 -03:00
Henrique de Moraes Holschuh
77775838bb thinkpad-acpi: let other subdrivers know backlight level range
Extract the backlight level range size detection from the brightness
subdriver, and allow the other subdrivers access to that information.

This also allows us to relocate some code to a more convenient place.
The moved code was largerly unmodified, except for the return type of
tpacpi_check_std_acpi_brightness_support(), which now is correctly
marked as returning "unsigned int", and and two cosmetic fixes to make
checkpatch.pl happy.

Fixes for the NVRAM polling mode for the brightness hotkeys will need
this.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:33 -03:00
Henrique de Moraes Holschuh
7a43f78898 thinkpad-acpi: move greeting messages out of the first subdriver (v2)
Move the driver initial greetings out of the first subdriver, as we do a
lot of other initialization before that point, and the initial greetings
should go as soon as the driver decides that it should load.

These greetings are not cosmetic, they make my life easier when users
report bugs.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:31 -03:00
Henrique de Moraes Holschuh
5d756db99a thinkpad-acpi: fix volume/mute hotkey poll handling
The hotkey polling code is supposed to generate hotkey messages as
close to the way the IBM event-based volume hotkey firmware does as
possible, i.e:

* Pressing MUTE issues a mute hotkey event, even if already mute;

* Pressing Volume up/down issues a volume up/down hotkey event,
  even if already at maximum or minumum volume;

* The act of unmuting issues a volume up/down event, depending on
  which hotkey was used to unmute.

Fix the code to do just that (mute handling was incorrect), and handle
multiple hotkey presses between two polling cycles.

The new code uses the volume_toggle bit in NVRAM only to detect
repeated presses of the mute key and multiple presses of the volume
keys trying to go past the end of the volume scale.  This will work
around a bug in recent Lenovo firmware (e.g. T400), which causes the
firmware to not update the volume_toggle bit in certain situations.

Reported-by: Yang Zhe <yangzhe1990@gmail.com>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:28 -03:00
Henrique de Moraes Holschuh
a318930d06 thinkpad-acpi: X100e quick fixes
The X100e needs some quick fixes to work semi-right with this driver.
There are much better ways to do this, but we can start with a quick
update and do it properly later.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:26 -03:00
Henrique de Moraes Holschuh
e28393c0c4 thinkpad-acpi: constrain IBM-era support to IBM boxes
Lenovo is playing around with its ACPI BIOS, and will end up reusing
method names.  Their memory is not nearly as long as thinkpad-acpi's...

Secure most of the old IBM codepaths against running in a non-IBM box.
This would happen on the Lenovo X100e in video_init(), for example.  We
would misdetect it as an ancient model 570 firmware.

Also, refuse to load the driver if we cannot identify the vendor.  No
ACPI ThinkPad in existence lacks this information, AFAIK.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
2010-05-16 19:45:23 -03:00
Corentin Chary
c9db3efee1 eeepc-laptop: add missing sparse_keymap_free
Also remove legacy keymap which was not used since
we use sparse_keymap.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
2010-04-23 15:23:21 -04:00
Ingo Molnar
fb48aef7c3 eeepc-wmi: Build fix
-tip testing found:

eeepc-wmi.c:(.text+0x36673c): undefined reference to `sparse_keymap_report_event'
drivers/built-in.o: In function `eeepc_wmi_init':
eeepc-wmi.c:(.init.text+0x19cd0): undefined reference to `sparse_keymap_setup'
eeepc-wmi.c:(.init.text+0x19cf0): undefined reference to `sparse_keymap_free'
eeepc-wmi.c:(.init.text+0x19d0b): undefined reference to `sparse_keymap_free'
drivers/built-in.o: In function `eeepc_wmi_exit':
eeepc-wmi.c:(.exit.text+0x2e87): undefined reference to `sparse_keymap_free'

To fix this select INPUT_SPARSEKMAP, like the ASUS driver does.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-04-12 13:21:35 -04:00
Dan Carpenter
668f4a0321 asus: don't modify bluetooth/wlan on boot
We were storing -1 as an unsigned int and as a result the effect of
passing -1 was the same as using 1.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Corentin Chary <corentincj@iksaif.net>
2010-04-12 13:10:55 -04:00
Yong Wang
a0624a90a2 dell-wmi: Fix memory leak
The output of wmi_get_event_data shall be freed before return.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Yong Wang <yong.y.wang@linux.intel.com>
2010-04-12 13:10:19 -04:00
Yong Wang
3d7b165539 eeepc-wmi: add backlight support
Add backlight support for WMI based Eee PC laptops.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Reviewed-by: Corentin Chary <corentincj@iksaif.net>
2010-04-12 13:02:52 -04:00
Yong Wang
45f2c6937e eeepc-wmi: use a platform device as parent device of all sub-devices
Add a platform device and use it as the parent device of all sub-devices.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Reviewed-by: Corentin Chary <corentincj@iksaif.net>
2010-04-12 13:02:43 -04:00
Yong Wang
8124888940 eeepc-wmi: add an eeepc_wmi context structure
Add an eeepc_wmi context structure to manage all the sub-devices
that will be implemented later on. Put input device into it first.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Reviewed-by: Corentin Chary <corentincj@iksaif.net>
2010-04-12 13:02:21 -04:00
Wolfram Sang
12765517d9 device_attributes: add sysfs_attr_init() for dynamic attributes
Made necessary by 6992f53349 ("sysfs: Use
one lockdep class per sysfs attribute").

Prevents further "key xxx not in .data" bug-reports.  Although some
attributes could probably be converted to static ones, this is left for
people having hardware to test.

Found by this semantic patch:

@ init @
type T;
identifier A;
@@

        T {
                ...
                struct device_attribute A;
                ...
        };

@ main extends init @
expression E;
statement S;
identifier err;
T *name;
@@

        ... when != sysfs_attr_init(&name->A.attr);
(
+       sysfs_attr_init(&name->A.attr);
        if (device_create_file(E, &name->A))
                S
|
+       sysfs_attr_init(&name->A.attr);
        err = device_create_file(E, &name->A);
)

While reviewing, I put the initialization to apropriate places.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Greg KH <gregkh@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Mike Isely <isely@pobox.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07 08:38:03 -07:00
Tejun Heo
a32f392663 eeepc-wmi: include slab.h
eeepc-wmi uses kfree() but doesn't include slab.h.  Include it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Yong Wang <yong.y.wang@intel.com>
2010-04-05 11:37:59 +09:00
Tejun Heo
336f5899d2 Merge branch 'master' into export-slabh 2010-04-05 11:37:28 +09:00
Yong Wang
ee027e4aed eeepc-wmi: new driver for WMI based hotkeys on Eee PC laptops
Add a WMI driver for Eee PC laptops. Currently it only supports hotkeys.

Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
2010-03-31 17:19:07 -04:00
Corentin Chary
167215118a asus-laptop: fix warning in asus_handle_init
In function 'asus_laptop_get_info':
warning: passing argument 3 of 'asus_handle_init' from incompatible pointer type
note: expected 'char **' but argument is of type 'const char **'

Introduced by commit c21085108a02e1b838c34f3650c8cc9fbd178615
("asus-laptop: fix style problems reported by checkpath.pl").

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-03-31 17:15:59 -04:00
Tejun Heo
5a0e3ad6af include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files.  percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.

percpu.h -> slab.h dependency is about to be removed.  Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability.  As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.

  http://userweb.kernel.org/~tj/misc/slabh-sweep.py

The script does the followings.

* Scan files for gfp and slab usages and update includes such that
  only the necessary includes are there.  ie. if only gfp is used,
  gfp.h, if slab is used, slab.h.

* When the script inserts a new include, it looks at the include
  blocks and try to put the new include such that its order conforms
  to its surrounding.  It's put in the include block which contains
  core kernel includes, in the same order that the rest are ordered -
  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
  doesn't seem to be any matching order.

* If the script can't find a place to put a new include (mostly
  because the file doesn't have fitting include block), it prints out
  an error message indicating which .h file needs to be added to the
  file.

The conversion was done in the following steps.

1. The initial automatic conversion of all .c files updated slightly
   over 4000 files, deleting around 700 includes and adding ~480 gfp.h
   and ~3000 slab.h inclusions.  The script emitted errors for ~400
   files.

2. Each error was manually checked.  Some didn't need the inclusion,
   some needed manual addition while adding it to implementation .h or
   embedding .c file was more appropriate for others.  This step added
   inclusions to around 150 files.

3. The script was run again and the output was compared to the edits
   from #2 to make sure no file was left behind.

4. Several build tests were done and a couple of problems were fixed.
   e.g. lib/decompress_*.c used malloc/free() wrappers around slab
   APIs requiring slab.h to be added manually.

5. The script was run on all .h files but without automatically
   editing them as sprinkling gfp.h and slab.h inclusions around .h
   files could easily lead to inclusion dependency hell.  Most gfp.h
   inclusion directives were ignored as stuff from gfp.h was usually
   wildly available and often used in preprocessor macros.  Each
   slab.h inclusion directive was examined and added manually as
   necessary.

6. percpu.h was updated not to include slab.h.

7. Build test were done on the following configurations and failures
   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
   distributed build env didn't work with gcov compiles) and a few
   more options had to be turned off depending on archs to make things
   build (like ipr on powerpc/64 which failed due to missing writeq).

   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
   * powerpc and powerpc64 SMP allmodconfig
   * sparc and sparc64 SMP allmodconfig
   * ia64 SMP allmodconfig
   * s390 SMP allmodconfig
   * alpha SMP allmodconfig
   * um on x86_64 SMP allmodconfig

8. percpu.h modifications were reverted so that it could be applied as
   a separate patch and serve as bisection point.

Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.

Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-30 22:02:32 +09:00
Bruno Prémont
ec57af9c2e backlight: panasonic-laptop - Fix incomplete registration failure handling
Properly return backlight registration error to parent.
Mark struct backlight_ops as const.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Harald Welte <laforge@gnumonks.org> (registration failure)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2010-03-16 20:13:31 +00:00
Bruno Prémont
28d85873cd backlight: msi-laptop, msi-wmi: fix incomplete registration failure handling
Properly return backlight registration error to parent.
Mark struct backlight_ops as const.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Reviewed-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2010-03-16 20:12:11 +00:00
Bruno Prémont
f0af789913 backlight: classmate-laptop - Fix missing registration failure handling
Check newly registered backlight_device for error and properly
return error to parent.
Mark struct backlight_ops as const.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2010-03-16 20:04:07 +00:00
Matthew Garrett
a19a6ee6ca backlight: Allow properties to be passed at registration
Values such as max_brightness should be set before backlights are
registered, but the current API doesn't allow that. Add a parameter to
backlight_device_register and update drivers to ensure that they
set this correctly.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2010-03-16 19:47:54 +00:00