9 years agocorrect gpio.txt typos
Dominik D. Geyer [Mon, 7 Dec 2009 02:30:44 +0000]
correct gpio.txt typos

Corrected sysfs gpio chip node name and fixed punctuation.

Signed-off-by: Dominik D. Geyer <dominik.geyer@gmx.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agodocbook: fix signal_pending() argument
Shawn Bohrer [Mon, 7 Dec 2009 02:30:44 +0000]
docbook: fix signal_pending() argument

Since signal_pending() takes a task_struct pointer as an argument, update
the example to pass in 'current'.

Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agouse DMA_BIT_MASK instead of inline constant
Marin Mitov [Mon, 7 Dec 2009 02:30:44 +0000]
use DMA_BIT_MASK instead of inline constant

Use DMA_BIT_MASK(24) instead of 0x00ffffff in DMA-mapping.txt

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoUse KERN_WARNING instead of KERN_WARN, which does not exist
Randy Dunlap [Mon, 7 Dec 2009 02:30:44 +0000]
Use KERN_WARNING instead of KERN_WARN, which does not exist

Reported-by: Andrew Lyon <andrew.lyon@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agonvram: Fix missing smp_lock.h in nvram
Frederic Weisbecker [Wed, 9 Dec 2009 17:31:53 +0000]
nvram: Fix missing smp_lock.h in nvram

The bkl has been removed from nvram_llseek() and smp_lock.h was removed
because another patch in the same tree zapped the remaining usage of bkl
in the same file.  But this patch must have been excluded later, then we
still need the smp_lock.h headers for the bkl use in nvram_open().

This fixes the following build error:

  drivers/char/nvram.c: In function ‘nvram_open’:
  drivers/char/nvram.c:332: erreur: implicit declaration of function ‘lock_kernel’
  drivers/char/nvram.c:339: erreur: implicit declaration of function ‘unlock_kernel’
  make[2]: *** [drivers/char/nvram.o] Erreur 1
  make[1]: *** [drivers/char] Erreur 2
  make: *** [drivers] Erreur 2

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoext4: Fix potential fiemap deadlock (mmap_sem vs. i_data_sem)
Theodore Ts'o [Thu, 10 Dec 2009 02:30:02 +0000]
ext4: Fix potential fiemap deadlock (mmap_sem vs. i_data_sem)

Fix the following potential circular locking dependency between
mm->mmap_sem and ei->i_data_sem:

    =======================================================
    [ INFO: possible circular locking dependency detected ]
    2.6.32-04115-gec044c5 #37
    -------------------------------------------------------
    ureadahead/1855 is trying to acquire lock:
     (&mm->mmap_sem){++++++}, at: [<ffffffff81107224>] might_fault+0x5c/0xac

    but task is already holding lock:
     (&ei->i_data_sem){++++..}, at: [<ffffffff811be1fd>] ext4_fiemap+0x11b/0x159

    which lock already depends on the new lock.

    the existing dependency chain (in reverse order) is:

    -> #1 (&ei->i_data_sem){++++..}:
           [<ffffffff81099bfa>] __lock_acquire+0xb67/0xd0f
           [<ffffffff81099e7e>] lock_acquire+0xdc/0x102
           [<ffffffff81516633>] down_read+0x51/0x84
           [<ffffffff811a2414>] ext4_get_blocks+0x50/0x2a5
           [<ffffffff811a3453>] ext4_get_block+0xab/0xef
           [<ffffffff81154f39>] do_mpage_readpage+0x198/0x48d
           [<ffffffff81155360>] mpage_readpages+0xd0/0x114
           [<ffffffff811a104b>] ext4_readpages+0x1d/0x1f
           [<ffffffff810f8644>] __do_page_cache_readahead+0x12f/0x1bc
           [<ffffffff810f86f2>] ra_submit+0x21/0x25
           [<ffffffff810f0cfd>] filemap_fault+0x19f/0x32c
           [<ffffffff81107b97>] __do_fault+0x55/0x3a2
           [<ffffffff81109db0>] handle_mm_fault+0x327/0x734
           [<ffffffff8151aaa9>] do_page_fault+0x292/0x2aa
           [<ffffffff81518205>] page_fault+0x25/0x30
           [<ffffffff812a34d8>] clear_user+0x38/0x3c
           [<ffffffff81167e16>] padzero+0x20/0x31
           [<ffffffff81168b47>] load_elf_binary+0x8bc/0x17ed
           [<ffffffff81130e95>] search_binary_handler+0xc2/0x259
           [<ffffffff81166d64>] load_script+0x1b8/0x1cc
           [<ffffffff81130e95>] search_binary_handler+0xc2/0x259
           [<ffffffff8113255f>] do_execve+0x1ce/0x2cf
           [<ffffffff81027494>] sys_execve+0x43/0x5a
           [<ffffffff8102918a>] stub_execve+0x6a/0xc0

    -> #0 (&mm->mmap_sem){++++++}:
           [<ffffffff81099aa4>] __lock_acquire+0xa11/0xd0f
           [<ffffffff81099e7e>] lock_acquire+0xdc/0x102
           [<ffffffff81107251>] might_fault+0x89/0xac
           [<ffffffff81139382>] fiemap_fill_next_extent+0x95/0xda
           [<ffffffff811bcb43>] ext4_ext_fiemap_cb+0x138/0x157
           [<ffffffff811be069>] ext4_ext_walk_space+0x178/0x1f1
           [<ffffffff811be21e>] ext4_fiemap+0x13c/0x159
           [<ffffffff811390e6>] do_vfs_ioctl+0x348/0x4d6
           [<ffffffff811392ca>] sys_ioctl+0x56/0x79
           [<ffffffff81028cb2>] system_call_fastpath+0x16/0x1b

    other info that might help us debug this:

    1 lock held by ureadahead/1855:
     #0:  (&ei->i_data_sem){++++..}, at: [<ffffffff811be1fd>] ext4_fiemap+0x11b/0x159

    stack backtrace:
    Pid: 1855, comm: ureadahead Not tainted 2.6.32-04115-gec044c5 #37
    Call Trace:
     [<ffffffff81098c70>] print_circular_bug+0xa8/0xb7
     [<ffffffff81099aa4>] __lock_acquire+0xa11/0xd0f
     [<ffffffff8102f229>] ? sched_clock+0x9/0xd
     [<ffffffff81099e7e>] lock_acquire+0xdc/0x102
     [<ffffffff81107224>] ? might_fault+0x5c/0xac
     [<ffffffff81107251>] might_fault+0x89/0xac
     [<ffffffff81107224>] ? might_fault+0x5c/0xac
     [<ffffffff81124b44>] ? __kmalloc+0x13b/0x18c
     [<ffffffff81139382>] fiemap_fill_next_extent+0x95/0xda
     [<ffffffff811bcb43>] ext4_ext_fiemap_cb+0x138/0x157
     [<ffffffff811bca0b>] ? ext4_ext_fiemap_cb+0x0/0x157
     [<ffffffff811be069>] ext4_ext_walk_space+0x178/0x1f1
     [<ffffffff811be21e>] ext4_fiemap+0x13c/0x159
     [<ffffffff81107224>] ? might_fault+0x5c/0xac
     [<ffffffff811390e6>] do_vfs_ioctl+0x348/0x4d6
     [<ffffffff8129f6d0>] ? __up_read+0x8d/0x95
     [<ffffffff81517fb5>] ? retint_swapgs+0x13/0x1b
     [<ffffffff811392ca>] sys_ioctl+0x56/0x79
     [<ffffffff81028cb2>] system_call_fastpath+0x16/0x1b

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

9 years agoext4: Do not override ext2 or ext3 if built they are built as modules
Theodore Ts'o [Thu, 10 Dec 2009 02:09:58 +0000]
ext4: Do not override ext2 or ext3 if built they are built as modules

The CONFIG_EXT4_USE_FOR_EXT23 option must not try to take over the
ext2 or ext3 file systems if the those file system drivers are
configured to be built as mdoules.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

9 years agojbd2: Export jbd2_log_start_commit to fix ext4 build
Theodore Ts'o [Thu, 10 Dec 2009 01:42:53 +0000]
jbd2: Export jbd2_log_start_commit to fix ext4 build

    This fixes:
    ERROR: "jbd2_log_start_commit" [fs/ext4/ext4.ko] undefined!

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

9 years agohwmon: (adt7475) Add VID support for the ADT7476
Jean Delvare [Wed, 9 Dec 2009 19:36:08 +0000]
hwmon: (adt7475) Add VID support for the ADT7476

The ADT7476 has 5 dedicated pins for VID input, and the +12V input can
optionally be used as a 6th VID pin. Add support for VID input.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Add an entry in MAINTAINERS
Jean Delvare [Wed, 9 Dec 2009 19:36:08 +0000]
hwmon: (adt7475) Add an entry in MAINTAINERS

As I've just done a lot of changes to the adt7475 driver, I volunteer
to maintain it for the year to come.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Add support for the ADT7476
Jean Delvare [Wed, 9 Dec 2009 19:36:08 +0000]
hwmon: (adt7475) Add support for the ADT7476

Add support for the Analog Devices ADT7476 chip. This chip is largely
compatible with the ADT7473 and ADT7475, with additional features.
In particular, it has 5 voltage inputs instead of 2, and VID input
pins.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Voltage attenuators can be bypassed
Jean Delvare [Wed, 9 Dec 2009 19:36:07 +0000]
hwmon: (adt7475) Voltage attenuators can be bypassed

It is possible to bypass the voltage attenuators on the +2.5V, Vccp,
+5V and +12V voltage monitoring inputs. This is useful to connect
other voltage channels than the ones the monitoring chip was
originally designed for. When this feature is enabled, we must not
include the scaling factors in our computations.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Print device information on probe
Jean Delvare [Wed, 9 Dec 2009 19:36:07 +0000]
hwmon: (adt7475) Print device information on probe

Print the device name and revision at probe time, as well as a list of
all optional features which are available.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Handle alternative pin functions
Jean Delvare [Wed, 9 Dec 2009 19:36:06 +0000]
hwmon: (adt7475) Handle alternative pin functions

The TACH4 pin can be used for other functions, so fan4 may not always
be available. Likewise, the PWM2 pin can be used for ALERT output, in
which case pwm2 is not available

For the ADT7490, the +2.5 Vin pin may also be used for other
functions, in which case in0 is not available.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Move sysfs files removal to a separate function
Jean Delvare [Wed, 9 Dec 2009 19:36:06 +0000]
hwmon: (adt7475) Move sysfs files removal to a separate function

Move sysfs files removal to a separate function. The code is common to
the device probing error path and the standard device removal path. As
it will grow with future driver development, this avoids code
duplication.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Add support for the ADT7490
Jean Delvare [Wed, 9 Dec 2009 19:36:05 +0000]
hwmon: (adt7475) Add support for the ADT7490

Add support for the Analog Devices ADT7490 chip. This chip is largely
compatible with the ADT7473 and ADT7475, with additional features.
In particular, it has 6 voltage inputs instead of 2.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Improve device detection
Jean Delvare [Wed, 9 Dec 2009 19:36:04 +0000]
hwmon: (adt7475) Improve device detection

Check the value of register 0x3f as part of the device detection, to
make it more robust.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Add missing static marker
Jean Delvare [Wed, 9 Dec 2009 19:36:03 +0000]
hwmon: (adt7475) Add missing static marker

adt7475_attr_group is used internally only and can thus be marked
static.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Rework voltage inputs handling
Jean Delvare [Wed, 9 Dec 2009 19:36:03 +0000]
hwmon: (adt7475) Rework voltage inputs handling

Rework the handling of voltage inputs to make it possible and easy to
support more inputs. This will be needed for the upcoming ADT7490
support.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Implement pwm_use_point2_pwm_at_crit
Jean Delvare [Wed, 9 Dec 2009 19:36:03 +0000]
hwmon: (adt7475) Implement pwm_use_point2_pwm_at_crit

Implement the non-standard pwm_use_point2_pwm_at_crit sysfs attribute
as the adt7473 driver did.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) New documentation
Jean Delvare [Wed, 9 Dec 2009 19:36:02 +0000]
hwmon: (adt7475) New documentation

New documentation for the adt7475 driver, based on the adt7473 driver
documentation. It is IMHO much more useful that the previous
documentation which was essentially redundant with sysfs-interface.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (adt7475) Add support for the ADT7473
Jean Delvare [Wed, 9 Dec 2009 19:36:02 +0000]
hwmon: (adt7475) Add support for the ADT7473

Add support for the ADT7473 to the adt7475 driver, and mark the
adt7473 driver for removal. The ADT7473 and ADT7475 chips are almost
the same chip and essentially compatible, so there's no point in
having separate drivers for them.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>

9 years agohwmon: (f71882fg) Add support for the f71889fg (version 2)
Hans de Goede [Wed, 9 Dec 2009 19:36:01 +0000]
hwmon: (f71882fg) Add support for the f71889fg (version 2)

This adds support for the Fintek f71889fg to the f71882fg driver,
many thanks to Gerd v. Egidy for providing (remote) access to a
machine which such an ic.

Note that this bit of the patch:
- val = SENSORS_LIMIT(val, 0, 255);
+
+ if (data->type == f71889fg)
+ val = SENSORS_LIMIT(val, -128, 127);
+ else
+ val = SENSORS_LIMIT(val, 0, 127);

Changes behaviour for already supported models, the new behaviour is correct
as the already supported models have bit 7 of the involved registers fixed at
0, so the previous behaviour which allowed setting temp zone limits > 127
was not correct.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (f71882fg) Fix sysfs file removal
Hans de Goede [Wed, 9 Dec 2009 19:36:01 +0000]
hwmon: (f71882fg) Fix sysfs file removal

There is a bug in the old sysfs file removal, as it uses fxxxx_in_temp_attr
to remove the in and temp sysfs attributes, but fxxxx_in_temp_attr has
temp#_alarm, where as f71858fg_in_temp_attr has temp#_max_alarm, so
the temp#_max_alarm attributes for the f71858fg never get removed.

This patch fixes this by doing the sysfs removal exactly the same way as
the creation instead of being (too) clever, this will also avoid similar
bugs in the future.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (f71882fg) Cleanup sysfs attr creation 2/2
Hans de Goede [Wed, 9 Dec 2009 19:36:00 +0000]
hwmon: (f71882fg) Cleanup sysfs attr creation 2/2

This patch merges the f71882fg_auto_pwm_attr array into the
fxxxx_fan_attr resp. fxxxx_auto_pwm_attr array, as the f71882fg_auto_pwm_attr
array was merely extending these 2 with entries for a 4th fan, it also makes
these 2 arrays 2 dimensional so that the rest of the code can choose to
add attr for 3 or 4 fans without needing to know the nr of attr per fan.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (f71882fg) Cleanup sysfs attr creation 1/2
Hans de Goede [Wed, 9 Dec 2009 19:35:59 +0000]
hwmon: (f71882fg) Cleanup sysfs attr creation 1/2

This patch makes a number of cleanups to the sysfs attr creation
in the f71882fg driver, this is a preparation patch for adding f71889fg
support:

* Add some comments to explain why some models need separate sysfs attr
  arrays for in / temp / fan / pwm
* Rename a number of sysfs attr arrays to make their function clearer
* Move the pwm#_auto_channels_temp attribute from the common to all
  models fan attr array to the per model auto mode pwm attr arrays, so
  that all the auto mode pwm attr are grouped together, and thus can be
  left out on models where we don't support auto pwm mode
* Put fan_beep attr in their own array, so that only auto mode pwm attr
  remain in the per model pwm sysfs attr arrays.
* Put the 4th special fan input for the f8000 in its own array, so that only
  auto mode pwm attr remain in the per model pwm sysfs attr arrays.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (thmc50) Stop using I2C_CLIENT_MODULE_PARM
Jean Delvare [Wed, 9 Dec 2009 19:35:59 +0000]
hwmon: (thmc50) Stop using I2C_CLIENT_MODULE_PARM

The thmc50 driver is the last user of I2C_CLIENT_MODULE_PARM, and I
would like to get rid of that macro.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Krzysztof Helt <krzysztof.h1@wp.pl>

9 years agohwmon: Add Freescale MC13783 ADC driver
Luotao Fu [Wed, 9 Dec 2009 19:35:58 +0000]
hwmon: Add Freescale MC13783 ADC driver

This driver provides support for the ADC integrated into the
Freescale MC13783 PMIC.

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (w83791d) Remove experimental dependency
Marc Hulsman [Wed, 9 Dec 2009 19:35:58 +0000]
hwmon: (w83791d) Remove experimental dependency

The w83791d driver has been in the kernel for a while now,
time to remove the EXPERIMENTAL dependency.

Signed-off-by: Marc Hulsman <m.hulsman@tudelft.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: Clean up detect functions
Jean Delvare [Wed, 9 Dec 2009 19:35:57 +0000]
hwmon: Clean up detect functions

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Corentin Labbe <corentin.labbe@geomatys.fr>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Juerg Haefliger <juergh@gmail.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Acked-by: "Hans J. Koch" <hjk@linutronix.de>
Cc: Rudolf Marek <r.marek@assembler.cz>

9 years agohwmon: (w83l785ts) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:56 +0000]
hwmon: (w83l785ts) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (w83792d) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:56 +0000]
hwmon: (w83792d) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (w83791d) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:55 +0000]
hwmon: (w83791d) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Marc Hulsman <m.hulsman@tudelft.nl>

9 years agohwmon: (w83781d) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:54 +0000]
hwmon: (w83781d) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (tmp401/tmp421) Clean up detect functions
Jean Delvare [Wed, 9 Dec 2009 19:35:54 +0000]
hwmon: (tmp401/tmp421) Clean up detect functions

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Andre Prendel <andre.prendel@gmx.de>

9 years agohwmon: (lm90) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:53 +0000]
hwmon: (lm90) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (lm85) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:53 +0000]
hwmon: (lm85) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (lm83) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:52 +0000]
hwmon: (lm83) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (lm77) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:52 +0000]
hwmon: (lm77) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (adm1025) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:51 +0000]
hwmon: (adm1025) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (adm1021) Clean up detect function
Jean Delvare [Wed, 9 Dec 2009 19:35:51 +0000]
hwmon: (adm1021) Clean up detect function

As kind is now hard-coded to -1, there is room for code clean-ups.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: New driver for the National Semiconductor LM73
Adrien Demarez [Wed, 9 Dec 2009 19:35:50 +0000]
hwmon: New driver for the National Semiconductor LM73

The National Semiconductor LM73 is a single temperature sensor, much
like the famous LM75.

Signed-off-by: Adrien Demarez <adrien.demarez@bolloretelecom.eu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (w83627hf) Stop using globals for I/O port numbers
Jean Delvare [Wed, 9 Dec 2009 19:35:49 +0000]
hwmon: (w83627hf) Stop using globals for I/O port numbers

Stop using global variables REG and VAL for I/O port numbers. This is
ugly and unsafe.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Rodolfo Giometti <giometti@linux.it>

9 years agohwmon: (w83627hf) Drop the force_addr module parameter
Jean Delvare [Wed, 9 Dec 2009 19:35:48 +0000]
hwmon: (w83627hf) Drop the force_addr module parameter

This module parameter is there to workaround broken BIOS. I'm not even
sure if it was used in the past 5 years, and it gets in the way of
converting the driver to the MFD infrastructure. So tell the users how
they can do the same from user-space.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Rodolfo Giometti <giometti@linux.it>

9 years agohwmon: (it87) Check for fan2 and fan3 availability
Jean Delvare [Wed, 9 Dec 2009 19:35:48 +0000]
hwmon: (it87) Check for fan2 and fan3 availability

The fan2 and fan3 input and output pins can be used as GPIOs. Check
their function before exposing their sysfs attributes and accessing
their registers.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (it87) Verify the VID pin usage
Jean Delvare [Wed, 9 Dec 2009 19:35:47 +0000]
hwmon: (it87) Verify the VID pin usage

The VID input pins can alternatively be used as GPIOs. Make sure we
have at least 4 pins used for VID, otherwise don't bother reading and
exposing VID.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Adam Nielsen <a.nielsen@shikadi.net>

9 years agohwmon: Clarify autopwm trip points documentation
Jean Delvare [Wed, 9 Dec 2009 19:35:47 +0000]
hwmon: Clarify autopwm trip points documentation

Document the case of hybrid automatic fan speed control
implementations, where trip points are associated to both PWM output
channels and temperature input channels.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agoMAINTAINERS: Add missing hwmon files
Jean Delvare [Wed, 9 Dec 2009 19:35:46 +0000]
MAINTAINERS: Add missing hwmon files

Add missing documentation and header files to the hardware monitoring
subsystem section.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agohwmon: (s3c-hwmon) Fix build error
Ben Dooks [Wed, 9 Dec 2009 19:35:45 +0000]
hwmon: (s3c-hwmon) Fix build error

The previous patch, commit be4c23c93c4828d36ac9e1a88410618a61676426 was
from the wrong tree and thus broke the current build which had the
channel configuration name changed.

Fix the following build errors:

drivers/hwmon/s3c-hwmon.c: In function 's3c_hwmon_probe':
drivers/hwmon/s3c-hwmon.c:326: warning: initialization from incompatible pointer type
drivers/hwmon/s3c-hwmon.c:331: error: dereferencing pointer to incomplete type
drivers/hwmon/s3c-hwmon.c:336: error: dereferencing pointer to incomplete type

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

9 years agoMerge branch 'topic/asoc' into for-linus
Takashi Iwai [Wed, 9 Dec 2009 17:16:15 +0000]
Merge branch 'topic/asoc' into for-linus

9 years agoMerge branch 'topic/hda' into for-linus
Takashi Iwai [Wed, 9 Dec 2009 17:16:11 +0000]
Merge branch 'topic/hda' into for-linus

9 years agoMAINTAINERS: Add OMAP2/3 DSS and OMAPFB maintainer
Tomi Valkeinen [Tue, 22 Sep 2009 10:30:24 +0000]
MAINTAINERS: Add OMAP2/3 DSS and OMAPFB maintainer

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: SDP: Enable DSS2 for OMAP3 SDP board
Tomi Valkeinen [Wed, 9 Dec 2009 16:25:18 +0000]
OMAP: SDP: Enable DSS2 for OMAP3 SDP board

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>

9 years agoOMAP: DSS2: Taal DSI command mode panel driver
Tomi Valkeinen [Wed, 28 Oct 2009 09:31:05 +0000]
OMAP: DSS2: Taal DSI command mode panel driver

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: Add generic and Sharp panel drivers
Tomi Valkeinen [Wed, 9 Dec 2009 16:19:42 +0000]
OMAP: DSS2: Add generic and Sharp panel drivers

Add Generic panel (user for DVI output) and Sharp LS037V7DW01 LCD panel.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoMerge branch 'bkl-arch-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 9 Dec 2009 16:07:51 +0000]
Merge branch 'bkl-arch-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'bkl-arch-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  mn10300: Remove the BKL from sys_execve
  m68knommu: Remove the BKL from sys_execve
  m68k: Remove the BKL from sys_execve
  h83000: Remove BKL from sys_execve
  frv: Remove the BKL from sys_execve
  blackfin: Remove the BKL from sys_execve
  um: Remove BKL from mmapper
  um: Remove BKL from random
  s390: Remove BKL from prng

9 years agoMerge branch 'bkl-drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 9 Dec 2009 16:07:38 +0000]
Merge branch 'bkl-drivers-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'bkl-drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  agp: Remove the BKL from agp_open
  inifiband: Remove BKL from ipath_open()
  mips: Remove BKL from tb0219
  drivers: Remove BKL from scx200_gpio
  drivers: Remove BKL from pc8736x_gpio
  parisc: Remove BKL from eisa_eeprom
  rtc: Remove BKL from efirtc
  input: Remove BKL from hp_sdc_rtc
  hw_random: Remove BKL from core
  macintosh: Remove BKL from ans-lcd
  nvram: Drop the bkl from non-generic nvram_llseek()
  nvram: Drop the bkl from nvram_llseek()
  mem_class: Drop the bkl from memory_open()
  spi: Remove BKL from spidev_open
  drivers: Remove BKL from cs5535_gpio
  drivers: Remove BKL from misc_open

9 years agoMerge branch 'bkl-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 9 Dec 2009 16:07:17 +0000]
Merge branch 'bkl-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'bkl-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sys: Remove BKL from sys_reboot
  pm_qos: clean up racy global "name" variable
  pm_qos: remove BKL

9 years agoMerge branch 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 9 Dec 2009 15:58:15 +0000]
Merge branch 'reiserfs/kill-bkl' of git://git./linux/kernel/git/frederic/random-tracing

* 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: (31 commits)
  kill-the-bkl/reiserfs: turn GFP_ATOMIC flag to GFP_NOFS in reiserfs_get_block()
  kill-the-bkl/reiserfs: drop the fs race watchdog from _get_block_create_0()
  kill-the-bkl/reiserfs: definitely drop the bkl from reiserfs_ioctl()
  kill-the-bkl/reiserfs: always lock the ioctl path
  kill-the-bkl/reiserfs: fix reiserfs lock to cpu_add_remove_lock dependency
  kill-the-bkl/reiserfs: Fix induced mm->mmap_sem to sysfs_mutex dependency
  kill-the-bkl/reiserfs: panic in case of lock imbalance
  kill-the-bkl/reiserfs: fix recursive reiserfs write lock in reiserfs_commit_write()
  kill-the-bkl/reiserfs: fix recursive reiserfs lock in reiserfs_mkdir()
  kill-the-bkl/reiserfs: fix "reiserfs lock" / "inode mutex" lock inversion dependency
  kill-the-bkl/reiserfs: move the concurrent tree accesses checks per superblock
  kill-the-bkl/reiserfs: acquire the inode mutex safely
  kill-the-bkl/reiserfs: unlock only when needed in search_by_key
  kill-the-bkl/reiserfs: use mutex_lock in reiserfs_mutex_lock_safe
  kill-the-bkl/reiserfs: factorize the locking in reiserfs_write_end()
  kill-the-bkl/reiserfs: reduce number of contentions in search_by_key()
  kill-the-bkl/reiserfs: don't hold the write recursively in reiserfs_lookup()
  kill-the-bkl/reiserfs: lock only once on reiserfs_get_block()
  kill-the-bkl/reiserfs: conditionaly release the write lock on fs_changed()
  kill-the-BKL/reiserfs: add reiserfs_cond_resched()
  ...

9 years agoALSA: ice1724 - aureon - modify WM8770 Master & DAC volume
Jaroslav Kysela [Wed, 9 Dec 2009 11:43:44 +0000]
ALSA: ice1724 - aureon - modify WM8770 Master & DAC volume

The volume levels in original implementation are incorrect and does
not match the dB scale. The real range is linear (in the sense of
the dB scale) from 0dB to -100dB. Remove logaritmic table and make
all volumes from range 0dB..100dB.

The tests are in RedHat's bugzilla #540817.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

9 years agoALSA: hda/realtek: quirk for D945GCLF2 mainboard
David Santinoli [Wed, 9 Dec 2009 11:34:26 +0000]
ALSA: hda/realtek: quirk for D945GCLF2 mainboard

Quirk for the ALC662 found on the Intel D945GCLF2 (and possibly other)
mainboards.

Signed-off-by: David Santinoli <david@santinoli.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

9 years agoALSA: hda - Terradici HDA controllers does not support 64-bit mode
Jaroslav Kysela [Wed, 9 Dec 2009 09:44:47 +0000]
ALSA: hda - Terradici HDA controllers does not support 64-bit mode

Confirmed from vendor and tests in RedHat bugzilla #536782 .

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

9 years agoALSA: document: Add direct git link to grub hda-analyzer
Alexey Fisher [Wed, 9 Dec 2009 08:42:07 +0000]
ALSA: document: Add direct git link to grub hda-analyzer

Just to save some time, add direct git link to grub hda-analyzer

Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

9 years agoOMAP: DSS2: omapfb driver
Tomi Valkeinen [Tue, 4 Aug 2009 13:12:50 +0000]
OMAP: DSS2: omapfb driver

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: DSI driver
Tomi Valkeinen [Wed, 28 Oct 2009 09:59:56 +0000]
OMAP: DSS2: DSI driver

DSI (Display Serial Interface) driver implements MIPI DSI interface.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: SDI driver
Tomi Valkeinen [Wed, 5 Aug 2009 13:18:44 +0000]
OMAP: DSS2: SDI driver

SDI (Serial Display Interface) implements TI Flatlink 3G display
interface.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: RFBI driver
Tomi Valkeinen [Wed, 5 Aug 2009 13:18:31 +0000]
OMAP: DSS2: RFBI driver

RFBI (Remote FrameBuffer Interface) implements MIPI DBI interface.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: Video encoder driver
Tomi Valkeinen [Wed, 5 Aug 2009 13:18:06 +0000]
OMAP: DSS2: Video encoder driver

VENC (video encoder) driver implements OMAP's analog S-Video/Composite
TV-out.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>

9 years agoOMAP: DSS2: DPI driver
Tomi Valkeinen [Fri, 7 Aug 2009 10:15:50 +0000]
OMAP: DSS2: DPI driver

This implements MIPI DPI interface.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: DISPC
Tomi Valkeinen [Thu, 12 Nov 2009 09:41:42 +0000]
OMAP: DSS2: DISPC

This file implements DISPC (display controller) block of the OMAP DSS.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: Add more core files
Tomi Valkeinen [Fri, 7 Aug 2009 10:43:20 +0000]
OMAP: DSS2: Add more core files

Add more core files to DSS2.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: Display Subsystem Driver core
Tomi Valkeinen [Tue, 3 Nov 2009 09:23:50 +0000]
OMAP: DSS2: Display Subsystem Driver core

The core files of DSS2. DSS2 commits are split a bit artificially to
make the individual commits smaller, and DSS2 doesn't compile properly
without the rest of the core commits. This shouldn't be a problem, as no
configuration uses DSS2 yet.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: DSS2: Documentation for DSS2
Tomi Valkeinen [Tue, 4 Aug 2009 12:47:11 +0000]
OMAP: DSS2: Documentation for DSS2

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: Add support for VRFB rotation engine
Tomi Valkeinen [Fri, 7 Aug 2009 09:04:26 +0000]
OMAP: Add support for VRFB rotation engine

VRFB rotation engine is a block in OMAP2/3 that offers 12 independent
contexts that can be used for framebuffer rotation.

Each context has a backend area of real memory, where it stores the
pixels in undisclosed format. This memory is offered to users via 4
virtual memory areas, which see the same memory area in different
rotation angles (0, 90, 180 and 270 degrees).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: Add VRAM manager
Tomi Valkeinen [Fri, 7 Aug 2009 09:01:55 +0000]
OMAP: Add VRAM manager

Add a Video RAM manager for OMAP 2 and 3 platforms. VRAM manager is used
to allocate large continuous blocks of SDRAM or SRAM. The features VRAM
manager has that are missing from dma_alloc_* functions are:

- Support for OMAP2's SRAM
- Allocate without ioremapping
- Allocate at defined physical addresses
- Allows larger VRAM area and larger allocations

The upcoming DSS2 uses VRAM manager.

VRAM area size can be defined in kernel config, board file or with
kernel boot parameters. Board file definition overrides kernel config,
and boot parameter overrides kernel config and board file.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 years agoOMAP: OMAPFB: add omapdss device
Tomi Valkeinen [Thu, 18 Jun 2009 10:02:39 +0000]
OMAP: OMAPFB: add omapdss device

The upcoming new display subsystem driver is divided to two devices,
omapdss and omapfb, of which omapdss handles the actual hardware.

This patch adds a dummy omapdss platform device for the current omapfb
driver, which is then used to get the clocks. This will make it possible
for the current and the new display drivers to co-exist.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>

9 years agoOMAP: OMAPFB: split omapfb.h
Tomi Valkeinen [Mon, 3 Aug 2009 12:06:36 +0000]
OMAP: OMAPFB: split omapfb.h

Split arch/arm/plat-omap/include/mach/omapfb.h into two files:

include/linux/omapfb.h - ioctls etc for userspace and some kernel
                         stuff for board files
drivers/video/omap/omapfb.h - for omapfb internal use

This cleans up omapfb.h and also makes it easier for the upcoming new
DSS driver to co-exist with the old driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>

9 years agoOMAP2: Add funcs for writing SMS_ROT_* registers
Tomi Valkeinen [Fri, 7 Aug 2009 08:26:12 +0000]
OMAP2: Add funcs for writing SMS_ROT_* registers

SMS_ROT_* registers are used by VRFB rotation engine.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Paul Walmsley <paul@pwsan.com>

9 years agodrm/i915: Remove a debugging printk from hangcheck
Chris Wilson [Tue, 8 Dec 2009 22:12:06 +0000]
drm/i915: Remove a debugging printk from hangcheck

A residual bare printk survived the merger of the hang detector, remove
this debugging left-over.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>

9 years agodrm/radeon/kms: make sure i2c id matches
Alex Deucher [Tue, 8 Dec 2009 19:30:49 +0000]
drm/radeon/kms: make sure i2c id matches

Entries in the i2c table aren't always ordered
by id.  This allows us to remove some quirks
that are no longer needed.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

9 years agodrm/radeon/kms: make sure ss id matches
Alex Deucher [Tue, 8 Dec 2009 19:07:03 +0000]
drm/radeon/kms: make sure ss id matches

entries in the ss table aren't always ordered
by id.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

9 years agodrm/radeon/kms: connector fixes
Alex Deucher [Tue, 8 Dec 2009 17:48:20 +0000]
drm/radeon/kms: connector fixes

- Don't add dac load detection property to DVI-D
- Make sure i2c info is valid before adding DP aux chan bus
- Don't create scaling_mode_property twice
- fix typo that prevented coherent and load detection from working
- add coherent prop to DP (for dp->dvi adapters)

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

9 years agoMerge branches 'timers-for-linus-ntp' and 'irq-core-for-linus' of git://git.kernel...
Linus Torvalds [Wed, 9 Dec 2009 03:30:19 +0000]
Merge branches 'timers-for-linus-ntp' and 'irq-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'timers-for-linus-ntp' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  ntp: Provide compability defines (You say MOD_NANO, I say ADJ_NANO)

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: do not execute DEBUG_SHIRQ when irq setup failed

9 years agodrm/ttm: fix memory leak noticed by kmemleak.
Dave Airlie [Tue, 8 Dec 2009 05:58:08 +0000]
drm/ttm: fix memory leak noticed by kmemleak.

If we don't need the zone we need to free it.

Acked-By: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

9 years agoMerge branch 'timers-for-linus-urgent' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 9 Dec 2009 03:28:09 +0000]
Merge branch 'timers-for-linus-urgent' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'timers-for-linus-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  hrtimer: Fix /proc/timer_list regression
  itimers: Fix racy writes to cpu_itimer fields
  timekeeping: Fix clock_gettime vsyscall time warp

9 years agodrm: disable all the possible outputs/crtcs before entering KMS mode
Zhao Yakui [Wed, 9 Dec 2009 03:23:42 +0000]
drm: disable all the possible outputs/crtcs before entering KMS mode

Sometimes we will use a crtc for integerated LVDS, which is different with
that assigned by BIOS. If we want to get flicker-free transitions,
then we could read out the current state for it and set our current state
accordingly.

But it is true that if we aren't reading current state out, we do need
to turn everything off before modesetting.  Otherwise the clocks can get very
angry and we get things worse than a flicker at boot.
In fact we also do the similar thing in UMS mode. We will disable all the
possible outputs/crtcs for the first modesetting.

So we disable all the possible outputs/crtcs before entering the KMS mode.
Before we configure connector/encoder/crtc, the function of
drm_helper_disable_unused_function can disable all the possible outputs/crtcs.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Rafal Milecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

9 years agoMerge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 9 Dec 2009 03:27:08 +0000]
Merge branch 'timers-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  timers, init: Limit the number of per cpu calibration bootup messages
  posix-cpu-timers: optimize and document timer_create callback
  clockevents: Add missing include to pacify sparse
  x86: vmiclock: Fix printk format
  x86: Fix printk format due to variable type change
  sparc: fix printk for change of variable type
  clocksource/events: Fix fallout of generic code changes
  nohz: Allow 32-bit machines to sleep for more than 2.15 seconds
  nohz: Track last do_timer() cpu
  nohz: Prevent clocksource wrapping during idle
  nohz: Type cast printk argument
  mips: Use generic mult/shift factor calculation for clocks
  clocksource: Provide a generic mult/shift factor calculation
  clockevents: Use u32 for mult and shift factors
  nohz: Introduce arch_needs_cpu
  nohz: Reuse ktime in sub-functions of tick_check_idle.
  time: Remove xtime_cache
  time: Implement logarithmic time accumulation

9 years agoMerge branch 'timers-for-linus-hpet' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 9 Dec 2009 03:26:55 +0000]
Merge branch 'timers-for-linus-hpet' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'timers-for-linus-hpet' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: hpet: Make WARN_ON understandable
  x86: arch specific support for remapping HPET MSIs
  intr-remap: generic support for remapping HPET MSIs
  x86, hpet: Simplify the HPET code
  x86, hpet: Disable per-cpu hpet timer if ARAT is supported

9 years agoi2c-pnx: Map I2C adapter number to platform ID number
Kevin Wells [Wed, 11 Nov 2009 23:34:17 +0000]
i2c-pnx: Map I2C adapter number to platform ID number

Map I2C adapter number to platform ID number

Signed-off-by: Kevin Wells <kevin.wells@nxp.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-omap: OMAP3: PM: (re)init for every transfer to support off-mode
Rajendra Nayak [Mon, 23 Nov 2009 16:59:18 +0000]
i2c-omap: OMAP3: PM: (re)init for every transfer to support off-mode

Because of OMAP off-mode, powerdomain can go off when I2C is idle.
Save enough state, and do a re-init for each transfer.

Additional save/restore state added by Jagadeesh Bhaskar Pakaravoor
(SYSC_REG) and Aaro Koskinen (wakeup sources.)

Also, The OMAP3430 TRM states:

"During active mode (I2Ci.I2C_CON[15] I2C_EN bit is set to 1), make no
changes to the I2Ci.I2C_SCLL and I2Ci.I2C_SCLH registers.  Changes may
result in unpredictable behavior."

Hence, the I2C_EN bit should be clearer when modifying these
registers. Please note that clearing the entire I2C_CON register to
disable the I2C module is safe, because the I2C_CON register is
re-configured for each transfer.

Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Jagadeesh Bhaskar Pakaravoor <j-pakaravoor@ti.com>
Cc: Aaro Koskinen <aaro.koskinen@nokia.com>
Cc: Jon Hunter <jon-hunter@ti.com>
Cc: Hu Tao <taohu@motorola.com>
Cc: Xiaolong Chen <A21785@motorola.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: i2c_dw_handle_tx_abort: Use dev_dbg() for NOACK cases
Shinya Kuribayashi [Mon, 16 Nov 2009 11:40:14 +0000]
i2c-designware: i2c_dw_handle_tx_abort: Use dev_dbg() for NOACK cases

In the case of no-ACKs, we don't want to see dev_err() messages in the
console, because some utilities like i2c-tools are capable of printing
decorated console output.  This patch will ease such situations.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: Cosmetic cleanups
Shinya Kuribayashi [Fri, 6 Nov 2009 12:52:22 +0000]
i2c-designware: Cosmetic cleanups

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: Tx abort cleanups
Shinya Kuribayashi [Fri, 6 Nov 2009 12:51:57 +0000]
i2c-designware: Tx abort cleanups

* ABRT_MASTER_DIS: Fix a typo.

* i2c_dw_handle_tx_abort: Return an appropriate error number
  depending on abort_source.

* i2c_dw_xfer: Add a missing abort_source initialization.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: Skip RX_FULL and TX_EMPTY bits on tx abort errors
Shinya Kuribayashi [Fri, 6 Nov 2009 12:51:36 +0000]
i2c-designware: Skip RX_FULL and TX_EMPTY bits on tx abort errors

Suppose TX_ABRT occurs in the middle of processing i2c_msg msgs[], and
a STOP condition has already been generated on the bus.  In this case,
subsequent i2c_dw_xfer_msg() might initiate a new and unnecessary I2C
transaction, which we'd have to avoid.

Furthermore, anytime TX_ABRT is set, the contents of tx/rx buffers are
flushed, so we don't have to process RX_FULL and TX_EMPTY.

Disable interrupts, and skip them.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: i2c_dw_xfer_msg: Fix error handling procedures
Shinya Kuribayashi [Fri, 6 Nov 2009 12:51:18 +0000]
i2c-designware: i2c_dw_xfer_msg: Fix error handling procedures

Current error handling procedures are not good in two respects:

* Forgot to mark dev->cmd_complete as "completed" on errors

  Once an I2C transaction is initiated, wait_for_completion_
  interruptible_timeout() waits for dev->cmd_complete to be completed.
  We have to take care of it whenever an error is detected, otherwise
  we will have a needless HZ timeout.

* Forgot to disable interrupts

  In the previous patch, interrupt mask operations have been changed.
  We don't disable interrupts at the end of the interrupt handler any
  more, and try to keep RX_FULL (and TX_EMPTY if required) enabled
  during the transaction so that we can send longer data than the size
  of Tx/Rx FIFO.

  If an error is detected, we need to disable interrupts before
  quitting current transaction.

We can work around above points using dev->msg_err effectively.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: Disable TX_EMPTY when all i2c_msg msgs has been processed
Shinya Kuribayashi [Fri, 6 Nov 2009 12:51:00 +0000]
i2c-designware: Disable TX_EMPTY when all i2c_msg msgs has been processed

Currently we disable TX_EMPTY interrupt when buf_len is zero, but this
is wrong.  (buf_len == 0) means that all transmit data in the current
i2c_msg message has been sent out, but that doesn't necessarily mean
all i2c_msg messages have been processed.

TX_EMPTY interrupt is used as the driving force of DW I2C transactions,
so we need to keep it enabled as long as i2c_msg messages are available.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: Process all i2c_msg messages in the interrupt handler
Shinya Kuribayashi [Fri, 6 Nov 2009 12:50:40 +0000]
i2c-designware: Process all i2c_msg messages in the interrupt handler

Currently we process the first i2c_dw_xfer_msg() in i2c_dw_xfer(),
but in this case there is a possibility to be interrupted by certain
interrupts.  As described before in this patchset, we need to keep
providing new transmit data within a given time period, otherwise Tx
FIFO underrun takes place and STOP condition will be generated on the
bus, even if we have more bytes to be written.

In order to exclude all such possibilities, change TX_EMPTY interrupt
usage as below:

* DW_IC_INTR_DEFAULT_MASK: Define a default interrupt mask set, and
  put TX_EMPTY there.

* i2c_dw_xfer_init: Enable DW_IC_INTR_DEFAULT_MASK prior to initiating
  a new I2C transaction.  The first TX_EMPTY will be triggered shortly.
  With the help of it, we can make the first call to i2c_dw_xfer_msg()
  in the interrupt handler.

* i2c_dw_xfer_msg: Fixup intr_mask operation accordingly.  Make sure
  that TX_EMPTY operations need to be reversed.

* request_irq: Set IRQF_DISABLED so that we could load transmit data
  into Tx FIFO without being distracted by other interrupts.

* Remove i2c_dw_xfer_msg() in i2c_dw_xfer().

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: i2c_dw_read: Remove redundant target address checker
Shinya Kuribayashi [Fri, 6 Nov 2009 12:50:22 +0000]
i2c-designware: i2c_dw_read: Remove redundant target address checker

I2c_dw_xfer_msg() also has the same target address inconsistency check,
and furthermore it checks across all i2c_msg messages, while
i2c_dw_read() walks through i2c_msg messages only with_ I2C_M_RD flag.
That is, target address check in i2c_dw_read() is redundant and useless.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: i2c_dw_func: Set I2C_FUNC_SMBUS_foo bits
Shinya Kuribayashi [Fri, 6 Nov 2009 12:50:02 +0000]
i2c-designware: i2c_dw_func: Set I2C_FUNC_SMBUS_foo bits

Set proper I2C_FUNC_SMBUS_* bits so that the driver could be used with
some utilities requiring SMBus functionalities, such as i2c-tools.

Note that DW I2C core doesn't support I2C_FUNC_SMBUS_QUICK, as it's not
capable of zero-length data transactions.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

9 years agoi2c-designware: Initialize byte count variables just prior to being used
Shinya Kuribayashi [Fri, 6 Nov 2009 12:49:39 +0000]
i2c-designware: Initialize byte count variables just prior to being used

As the driver and hardware always process the given data in parallel,
then it would be better to initialize tx_limit, rx_limit and rx_valid
variables just prior to being used.

This will help us to send / receive as much data as possible.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>