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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>
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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>
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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>
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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>
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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>
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This fixes:
ERROR: "jbd2_log_start_commit" [fs/ext4/ext4.ko] undefined!
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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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>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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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>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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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>
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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>
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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>
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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>
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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>
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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>
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Add missing documentation and header files to the hardware monitoring
subsystem section.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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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>
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git://git.kernel.org/pub/scm/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
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