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This patch changes the memory allocation method for the s390 debug feature.
Trace buffers had been allocated using the get_free_pages() function before.
Therefore it was not possible to get big memory areas in a running system due
to memory fragmentation. Now the trace buffers are subdivided into several
subbuffers with pagesize. Therefore it is now possible to allocate more
memory for the trace buffers and more trace records can be written.
In addition to that, dynamic specification of the size of the trace buffers is
implemented. It is now possible to change the size of a trace buffer using a
new debugfs file instance. When writing a number into this file, the trace
buffer size is changed to 'number * pagesize'.
In the past all the traces could be obtained from userspace by accessing files
in the "proc" filesystem. Now with debugfs we have a new filesystem which
should be used for debugging purposes. This patch moves the debug feature
from procfs to debugfs.
Since the interface of debug_register() changed, all device drivers, which use
the debug feature had to be adjusted.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add interface to issue VM control program commands.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Improved machine check handling. Kernel is now able to receive machine checks
while in kernel mode (system call, interrupt and program check handling).
Also register validation is now performed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix compile breakage in the dcss block driver introduced by the attribute
changes.
Signed-off-by: Cornelia Huck <cohuck@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Convert the dasd driver to use the new klist interface.
Signed-off-by: Cornelia Huck <cohuck@de.ibm.com>
Cc: Greg KH <greg@kroah.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Convert the common I/O layer to use the klist interfaces.
This patch has been adapted from the previous version to the changed interface
semantics. Also, gcc 4.0 compile warnings have been removed.
Signed-off-by: Cornelia Huck <cohuck@de.ibm.com>
Cc: Greg KH <greg@kroah.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Using CPU hotplug to support suspend/resume SMP. Both S3 and S4 use
disable/enable_nonboot_cpus API. The S4 part is based on Pavel's original S4
SMP patch.
Signed-off-by: Li Shaohua<shaohua.li@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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We already do kobject_hotplug for cpu offline; this adds a kobject_hotplug
call for the online case. This is being requested by developers of an
application which wants to be notified about both kinds of events.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I really wish smp_prepare_cpu() would disappear eventually. In the interim
this is ideally a weak function, so we dont end up changing several places
to define this dummy in headers.
Today since the dummy declaration is done only in drivers/base/cpu.c but
the function is called in kernel/power/smp.c i get undefined reference in
my cpu hotplug code for x86_64 under development.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Clean CPU states in order to reuse smp boot code for CPU hotplug.
Signed-off-by: Li Shaohua<shaohua.li@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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All consumers of the driver MPC10x, MPC52xx, MPC824x, MPC83xx, and MPC85xx are
all using platform devices. We can get ride of the dead code to support using
this driver with the old OCP based model
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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A couple of drivers declare register_serial/unregister_serial prototypes
but don't use them. FRV contains a commented out call to register_serial.
Since these are deprecated, remove these unnecessary references.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I8K: add BIOS signatures of a newer Dell laptops, also there can be
more than one temperature sensor reported by BIOS. Lifted from
driver 1.25 on Massimo Dal Zotto's site.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I8K: use module_{init|exit} instead of old style #ifdef MODULE
code, some formatting changes.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I8K: Change proc code to use seq_file.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I8K: Change to use stock dmi infrastructure instead of homegrown
parsing code. The driver now requires box's DMI data to match
list of supported models so driver can be safely compiled-in
by default without fear of it poking into random SMM BIOS
code. DMI checks can be ignored with i8k.ignore_dmi option.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I8K: pass through Lindent to change 4 spaces identation to TABs
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Toshiba legacy driver cleanup:
- use module_init/module_exit for initialization instead of using
#ifdef MODULE and calling tosh_init manually from drivers/char/misc.c
- do not explicitly initialize static variables
- some whitespace and formatting cleanups
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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static declaration of cx88_pci_irqs follows non-static.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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assignment
That's the part that keeps track of the ELCR register, and we want to
make sure that the PCI interrupts are properly marked level/low.
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Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Move tp->irq_sync = 0 to before the interrupt mailbox IO in
tg3_enable_ints() so that the interrupt handler will always see
irq_sync == 0 when interrupts are enabled.
2. Remove the tg3_enable_ints() call in tg3_reset_hw(). Interrupts are
always enabled explicitly or through tg3_netif_start(). This is to
prevent interrupts being enabled while poll is disabled.
3. Update trans_start with jiffies in tg3_netif_stop() to prevent false
NETDEV WATCHDOG.
4. Pass in the proper irq_sync parameter to tg3_full_lock() depending on
netif_running() in some of the ethtool set calls.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move all driver spinlocks to be taken at sw IRQ
context only.
This fixes the skb_copy() we were doing with hw
IRQs disabled (which is illegal and triggers a
BUG() with HIGHMEM enabled). It also simplifies
the locking all over the driver tremendously.
We accomplish this feat by creating a special
sequence to synchronize with the hw IRQ handler
using a binary state and synchronize_irq().
This idea is from Herbert Xu.
Thanks to Michael Chan for helping to track down
all of the race conditions in initial versions
of this code.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There must be a rmb() between reading the status block tag
and calling tg3_has_work(). This was missing in tg3_mis()
and tg3_interrupt_tagged(). tg3_poll() got it right.
Also, SD_STATUS_UPDATED must be cleared in the status block
right before we call tg3_has_work(). Only tg3_poll() got this
wrong.
Based upon patches and commentary from Grant Grundler and
Michael Chan.
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: William Lee Irwin III <wli@holomorphy.com>
This small patch silences some iomem-related warnings in sunzilog.c by
declaring mapped_addr as void __iomem * and inserting a cast in one case.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Patch from Lennert Buytenhek
This patch cleans up the ixp2000 gpio irq code and implements the
set_irq_type method for gpio irqs so that users can select for which
events (falling edge/rising edge/level low/level high) on the gpio
pin they want the corresponding gpio irq to be triggered.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Deepak Saxena
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use the existing macros instead.
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Another rollup of patches which give various symbols static scope
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is the block device related part. The block device operation
direct_access now has a struct block_device as first parameter.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch updates some comments to match code changes.
Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch is necessary to correct I2C detect after normal_i2c_range
removal in gregkh-i2c-i2c-address_range_removal.patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch adds support for various SAA7134 cards and brings some fixes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Fabrice Aeschbacher <fabrice.aeschbacher@laposte.net>
Signed-off-by: Hermann Pitton <hermann.pitton@onlinehome.de>.
Signed-off-by: Nickolay V Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Tuner improvements and additions. TEA5767 FM tuner added. Several small
fixes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Nickolay V Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch adds support for various CX88 cards and allows specifying
card addresses.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: cybercide@f2s.com <cybercide@f2s.com>
Signed-off-by: Catalin Climov <catalin@climov.com>
Signed-off-by: Nickolay V Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch synchronizes current bttv support on V4L with linux kernel and
adds support to Adlink RTV24 card.
It is asked that *every* patch to V4L stuff to be first submitted to
video4linux-list@redhat.com.
From: "J.A. Magallon" <jamagallon@able.es>
struct bttv defined after usage.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Peter Skipworth <pskipworth@clarityvi.com>
Signed-off-by: Nickolay V Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add support for tuner#60: Thomson DDT 7611 (ATSC/NTSC) Change tuner in
card#28 (DViCO FusionHDTV3 Gold-T) from tuner=52 (Tuner Thomson DDT 7610)
to tuner=60 (Tuner Thomson DDT 7611)
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Even though it says DViCO FusionHDTV3 Gold-Q on the box, Gold-T is printed
on the card. This fix corrects the error in all places, and corrects the
tuner name Thomson DDT 7611 (ATSC/NTSC) in the documentation.
This applies against 2.6.12-rc5-mm2 after applying Manueal Capinha's
patch "Add support for PixelView Ultra Pro in v4l" (because of the
change from card=27 to card=28)
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The following patch adds support for the PixelView Ultra Pro video capture
card in v4l.
- It removes the remote control key definitions from ir-kbd-gpio.c and
moves them to ir-common.c so that they can be shared between bt878 and
cx88 based cards.
- The patch also moves the FUSIONHDTV_3_GOLD_Q card from number 27 to 28
to regain compatibility with the V4L cvs.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch fixes PAL-M chroma subcarrier frequency (FSC) to its correct
value of 3.5756115 MHz and adjusts horizontal total samples for PAL-M,
according with formula Line Draw Time / (4*FSC).
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Cc: <video4linux-list@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch fixes NTSC VBI capturing in the saa7134 driver.
Signed-off-by: Michael H. Schimek <mschimek@gmx.at>
Cc: <video4linux-list@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The bttv module currently lacks support for the Adlink RTV24 capture card.
The following patch adds support for the Adlink RTV24 video capture card to
the bttv module.
Cc: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch allows full analog functionality for the DViCO FusionHDTV3
Gold-Q, 18ac:d820 which has a Conexant cx23882, Thompson7611, and LG 3202.
It does NOT yet support digital decoding or digital audio without the
internal analog audio jack connected to the sound board, but it works
perfectly in analog mode.
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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VIDEO_CX88_DVB must select DVB_CX22702 (due to its cx22702_attach usage).
This patch fixes kernel Bugzilla #4594
(http://bugzilla.kernel.org/show_bug.cgi?id=4594).
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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> - *ptr = sg_dma_address(list) - list->offset;
> + *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
Clearly mark pointers to little-endian things.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix byteorder bug in the saa7134 driver. With that ObviouslyCorrect[tm]
patch applied the driver reportly works on powerpc.
Signed-off-by: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The below patch passes samples from anonymous regions to userspace instead
of just dropping them. This provides the support needed for reporting
anonymous-region code samples (today: basic accumulated results; later:
Java and other dynamically compiled code).
As this changes the format, an upgrade to the just-released 0.9 release of
the userspace tools is required.
This patch is based upon an earlier one by Will Cohen <wcohen@redhat.com>
Signed-off-by: John Levon <levon@movementarian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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tuner-core.c, tuner.h:
- tuner-core changed to support multiple I2C devices used on some
adapters;
- Kconfig now has an option (CONFIG_TUNER_MULTI_I2C) to enable this new
behavor;
- By default, even enabling CONFIG_TUNER_MULTI_I2C, tuner-core emulates
the old behavor, using first I2C device for both FM and TV;
- There is a new i2c command (TUNER_SET_ADDR) to allow tuner clients to
select I2C address for FM or TV tuner;
- Tuner I2C dettach now generates a warning on syslog if failed.
tuner-simple.c:
- TVision TVF-8531MF and TVF-5533 MF tuner included. It uses, by
default, I2C on 0xC2 address for TV and on 0xC0 for Radio. Both TV and
FM Radio mode are working.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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