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Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_pci_link_set() allocates both with interrupts on
and with interrupts off (resume-time), so check interrupts
and decide on GFP_ATOMIC or GFP_KERNEL at run-time.
Signed-off-by: Jiri Kosina <jikos@jikos.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
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device was set to null and used before set in a debug printk
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
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As this module is now part of the kernel tree, there is no need
for instructions on how to download it and build an external module.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
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http://bugzilla.kernel.org/show_bug.cgi?id=5534#c160
Signed-off-by: Len Brown <len.brown@intel.com>
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On acquiring the ACPI global lock, if there were sleepers on the lock,
we used to use acpi_os_execute() to defer a thread which would signal
sleepers. Now just signal the semaphore directly.
http://bugzilla.kernel.org/show_bug.cgi?id=5534#c159
Signed-off-by: Len Brown <len.brown@intel.com>
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Create a driver to support the platform-specific features
of MSI S270 laptops (and maybe other MSI laptops).
This driver implements a backlight device for controlling LCD brightness
(/sys/class/backlight/msi-laptop-bl/).
In addition it allows access to the WLAN and Bluetooth states
through a platform driver (/sys/devices/platform/msi-laptop-pf/).
Signed-off-by: Lennart Poettering <mzxreary@0pointer.de>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Lennart Poettering <mzxreary@0pointer.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Simplify acpi_hw_low_level_xxx() functions to inb() and outb().
Signed-off-by: Alexey Y. Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Y. Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Y. Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Y. Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Remove unnecessary delay (50 ms) while reading data from EC in interrupt mode.
Signed-off-by: Alexey Y. Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Unify the following functions:
acpi_ec_poll_read()
acpi_ec_poll_write()
acpi_ec_poll_query()
acpi_ec_intr_read()
acpi_ec_intr_write()
acpi_ec_intr_query()
into:
acpi_ec_poll_transaction()
acpi_ec_intr_transaction()
These new functions take as arguments an ACPI EC command, a few bytes
to write to the EC data register and a buffer for a few bytes to read
from the EC data register. The old _read(), _write(), _query() are
just special cases of these functions.
Then unified the code in acpi_ec_poll_transaction() and
acpi_ec_intr_transaction() a little more. Both functions are now just
wrappers around the new acpi_ec_transaction_unlocked() function. The
latter contains the EC access logic, the two original
function now just do their special way of locking and call the the
new function for the actual work.
This saves a lot of very similar code. The primary reason for doing
this, however, is that my driver for MSI 270 laptops needs to issue
some non-standard EC commands in a safe way. Due to this I added a new
exported function similar to ec_write()/ec_write() which is called
ec_transaction() and is essentially just a wrapper around
acpi_ec_{poll,intr}_transaction().
Signed-off-by: Lennart Poettering <mzxreary@0pointer.de>
Acked-by: Luming Yu <luming.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Intel processors starting with the Core Duo support
support processor native C-state using the MWAIT instruction.
Refer: Intel Architecture Software Developer's Manual
http://www.intel.com/design/Pentium4/manuals/253668.htm
Platform firmware exports the support for Native C-state to OS using
ACPI _PDC and _CST methods.
Refer: Intel Processor Vendor-Specific ACPI: Interface Specification
http://www.intel.com/technology/iapc/acpi/downloads/302223.htm
With Processor Native C-state, we use 'MWAIT' instruction on the processor
to enter different C-states (C1, C2, C3). We won't use the special IO
ports to enter C-state and no SMM mode etc required to enter C-state.
Overall this will mean better C-state support.
One major advantage of using MWAIT for all C-states is, with this and
"treat interrupt as break event" feature of MWAIT, we can now get accurate
timing for the time spent in C1, C2, .. states.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Document the wan feature Jeremy Fitzhardinge added to ibm_acpi.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Borislav Deianov <borislav@users.sourceforge.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Document the change of the experimental flag for brightness and volume.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Borislav Deianov <borislav@users.sourceforge.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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The brightness and volume features from ibm-acpi are stable.
The experimental flag is no longer needed.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Borislav Deianov <borislav@users.sourceforge.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add support for W3000 (W3V) and indirectly fixes an issue with kmilo under KDE
(it was triggering excessive LCD read error messages by querying asus_acpi
module) allowing people (I am probably the only one who tested this) with
W3000 to run kmilo.
Cc: Karol Kozimor <sziwan@hell.org.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Added config-struct-parameter to take board-specific AGC command 1 and 2 into account.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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When using the remote control with the Nova-T USB there was an Oops because of
the recent DVB-USB-Adapter change.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix comment in videodev2.h
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Contrary to all expections the Samsung TCPN2121P30A tuner does
NOT have a tda9887. Remove the tda9887 flag from the tuner
definition.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The call to v4l2_std_construct() in the VIDIOC_G_PARM handler treats
vfd->current_norm as if it were an index - but it's not. The result is
an oops if the driver has no vidioc_g_parm() method defined. Here's the
fix.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The dbgarg() macro in videodev.c contains some printk() statements
where only the first one is influenced by an if-statement. This causes
floating with debug-messages which is fixed by this patch by adding a
'{ ... }' pair.
Signed-off-by: Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Without the attached trivial patch, the saa7113 is set up for PAL when SECAM
is selected and hence will see only show black and white for SECAM signals.
Tested the patch against the saa7115 module in linux-2.6.17 with a
Pinnacle 50e USB tuner (em28xx).
Signed-off-by: Pádraig Brady <P@draigBrady.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Check the return value of kmalloc() in function frontend_init(),
in file drivers/media/dvb/bt8xx/dvb-bt8xx.c.
Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Looks like the pvrusb2 menu items were accidentally removed in
git commit 1450e6bedc58c731617d99b4670070ed3ccc91b4
This patch restores the menu items so that the pvrusb2 driver can be built.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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VIDIOC_G_FMT returned the sliced VBI types in the wrong lines for NTSC
(three lines too low).
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch adds readout for stereo and signal level for
saa713x cards which use the saa713x as FM demodulator.
These are many cards based on saa7133, tda8290 and tda8275a.
FM channel search should work now.
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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parisc (and several other architectures) don't have a dma_address in their
sg list. Use the macro instead.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The WinTV-HVR3000 is currently defined for analog support only. This
patch adds full DVB-T support. (DVB-S support will be added soon)
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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That was slightly more painful than really necessary..
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The recent commit (99a10a60ba9bedcf5d70ef81414d3e03816afa3f) to fix up
mmap_kmem() broke compiles because it used PFN_DOWN() without including
<linux/pfn.h>.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* make header_check work with O=
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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m68knommu: sync syscalls with m68k
Signed-Off-By: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-Off-By: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Get rid of warning in the thermal throttling code about not checking
sysfs return values.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The lack of asm-um/Kbuild is deliberate.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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vma->vm_pgoff is an pfn _offset_ relatif to the begining
of the memory start. The previous code was doing at first:
vma->vm_pgoff << PAGE_SHIFT
which results into a wrong physical address since some
platforms have a physical mem start that can be different
from 0. After that the previous call __pa() on this
wrong physical address, however __pa() is used to convert
a _virtual_ address into a physical one.
This patch rewrites this convertion. It calculates the
pfn of PAGE_OFFSET which is the pfn of the mem start
then it adds the vma->vm_pgoff to it.
It also uses virt_to_phys() instead of __pa() since the
latter shouldn't be used by drivers.
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
[GFS2] Update git tree name/location
[DLM] fix iovec length in recvmsg
[GFS2] Pass the correct value to kunmap_atomic
[GFS2] Fix bug where lock not held
[DLM] Kconfig: don't show an empty DLM menu
[GFS2] Fix uninitialised variable
[GFS2] Fix a size calculation error
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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/voyager-2.6:
[VOYAGER] fix up ptregs removal mess
[VOYAGER] fix up attribute packed specifiers in voyager.h
[VOYAGER] fix genirq mess
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The file based core dump code was broken by pipe changes - a relative
llseek returns the absolute file position on success, not the relative
one, so dump_seek() always failed when invoked with non-zero current
position.
Only success/failure can be tested with relative lseek, we have to trust
kernel that on success we've got right file offset. With this fix in
place I have finally real core files instead of 1KB fragments...
Signed-off-by: Petr Vandrovec <petr@vandrovec.name>
[ Cleaned it up a bit while here - use SEEK_CUR instead of hardcoding 1 ]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (27 commits)
[CIFS] Missing flags2 for DFS
[CIFS] Workaround incomplete byte length returned by some
[CIFS] cifs Kconfig: don't select CONNECTOR
[CIFS] Level 1 QPathInfo needed for proper OS2 support
[CIFS] fix typo in previous patch
[CIFS] Fix old DOS time conversion to handle timezone
[CIFS] Do not need to adjust for Jan/Feb for leap day
[CIFS] Fix leaps year calculation for years after 2100
[CIFS] readdir (ffirst) enablement of accurate timestamps from legacy servers
[CIFS] Fix compiler warning with previous patch
[CIFS] Fix typo
[CIFS] Allow for 15 minute TZs (e.g. Nepal) and be more explicit about
[CIFS] Fix readdir of large directories for backlevel servers
[CIFS] Allow LANMAN21 support even in both POSIX non-POSIX path
[CIFS] Make use of newer QFSInfo dependent on capability bit instead of
[CIFS] Do not send newer QFSInfo to legacy servers which can not support it
[CIFS] Fix typo in name of new cifs_show_stats
[CIFS] Rename server time zone field
[CIFS] Handle legacy servers which return undefined time zone
[CIFS] CIFS support for /proc/<pid>/mountstats part 1
...
Manual conflict resolution in fs/cifs/connect.c
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