| Commit message (Collapse) | Author | Age | Files | Lines |
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The iTCO_wdt.c driver has been tested enough. So we can
remove the experimental classification.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The new Atmel AT91SAM9261 and AT91SAM9260 processors use a different
internal watchdog peripheral. This watchdog driver is therefore
AT91RM9200-specific.
This patch renames at91_wdt.c to at91rm9200_wdt.c, and changes the name
of the configuration option.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add missing includes to sample watchdog program.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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gcc emits the following warning:
drivers/char/watchdog/iTCO_wdt.c: In function ‘iTCO_wdt_ioctl’:
drivers/char/watchdog/iTCO_wdt.c:429: warning: ‘time_left’ may be used uninitialized in this function
This indicates a condition near enough to a bug, to want to fix.
iTCO_wdt_get_timeleft() stores a value in 'time_left' iff
iTCO_version==(1 or 2). This driver only supports versions
1 or 2, so this is ok. However, since (a) the return value of
iTCO_wdt_get_timeleft() is handled anyway, (b) it fixes the warning,
and (c) it future-proofs the driver, we go ahead and add the obvious
return value.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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Add ICH8 support to the iTCO_wdt driver.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add ICH8 support to the iTCO_wdt driver.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.
Signed-off-by: Amol Lad <amol@verismonetworks.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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Update Kconfig for the w83697hf/hg watchdog driver.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Change the autodetect code so that it is more generic.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 16 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Add copyright notice for Samuel Tardieu also.
This is the last patch in this series.
The original description for Samuel's driver was:
driver for the Winbond W83697HF/W83697HG watchdog timer
The Winbond SuperIO W83697HF/HG includes a watchdog that can count from
1 to 255 seconds (or minutes). This drivers allows the seconds mode to
be used. It exposes a standard /dev/watchdog interface. This chip is
currently being used on some motherboards designed by VIA.
By default, the module looks for a chip at I/O port 0x2e. The chip can
be configured to be at 0x4e on some motherboards, the address can be
chosen using the wdt_io module parameter. Using 0 will try to autodetect
the address.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 15 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Clean-up initialization code - part 2:
* the line reading "set second mode & disable keyboard ..."
is plain wrong, the register being manipulated (CRF4) is
the counter itself, not the control byte (CRF3) -- looks
like it has been copied from another driver.
* I think garbage is being written in CRF3 (the control word)
as the timeout value is being stored in this register (such
as 60 for 60 seconds).
* We only want to set pin 119 to WDTO# mode and leave the rest
of CR29 like it is.
* Set count mode to seconds and not minutes.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 14 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Clean-up initialization code (part 1: remove
w83697hf_select_wd_register() and
w83697hf_unselect_wd_register() functions).
- Make sure that the watchdog device is stopped
as soon as we found it.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 13 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Remove wdt_ctrl (it has been replaced with the
w83697hf_write_timeout() function) and redo/clean-up
the start/stop/ping code.
- Make sure that the watchdog is enabled or disabled
When starting or stoping the device (with a call
to w83697hf_set_reg(0x30, ?); ).
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 12 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Add w83697hf_write_timeout() to set the
watchdog's timeout value.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 11 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Add w83697hf_select_wdt() and w83697hf_deselect_wdt()
so that the start/stop/ping code can directly talk to
the watchdog.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 10 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- check whether the device is really present
(we *can* probe for the device now).
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 9 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- add w83697hf_get_reg() and w83697hf_set_reg()
functions.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 8 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- add w83697hf_lock function to leave the
chipsets extended function mode.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 7 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- add w83697hf_unlock function to enter the
chipsets extended function mode.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 6 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- The driver works for both the w83697hf
and the w83697hg chipset's.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 5 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Rename the Extended Function Registers to the names
used in the data-sheet.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 4 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- limits the watchdog timeout to 1-63 while this
device accepts 1-255.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 3 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- Fix identation.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 2 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- wdt_io is 2 bytes long. We should do a
request_region for 2 bytes instead of 1.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is patch 1 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.
This patch contains following changes:
- the note concerning tyan motherboards has been copied from
another driver, This doesn't apply here.
- the comments concerning CRF6 are wrong as CRF3 is manipulated
and CRF6 is never read nor written.
- the comments concerning CRF5 are wrong as CRF4 is manipulated
and CRF5 is never read nor written.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Return ENOTTY instead of ENOIOCTLCMD in user-visible ioctl() results
The watchdog drivers used to return ENOIOCTLCMD for bad ioctl() commands.
ENOIOCTLCMD should not be visible by the user, so use ENOTTY instead.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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fixed some more trailing spaces.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add io spinlocks to prevent possible race
conditions between start and stop operations
that are issued from different child processes
where the master process opened /dev/watchdog.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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* fix typo's according to spellings checker
* Fix some leading and trailing spaces
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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New watchdog driver for the Winbond W83697HF chipset.
Signed-off-by: Marcus Junker <junker@anduras.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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* Added io spinlocking
* Deleted WATCHDOG_MINOR (it's in the miscdevice include
* Changed timer_enabled to use set_bit functions
* WDIOC_GETSUPPORT should return -EFAULT or 0
* timeout should be correct before we initialize the watchdog
* we should initialize the watchdog before we give access
to userspace
* Third parameter of module_param is not the default or
initial value
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Remove trailing whitespace.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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New watchdog driver for the Winbond SMsC37B787 chipset.
Signed-off-by: Sven Anders <anders@anduras.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Retry internal operation after unit check instead of aborting them.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add timeout handler for common-I/O-layer-internal I/O operations.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use page_to_phys and pfn_to_page to avoid open-coded mem_map usage.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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Size zones and holes in an architecture independent manner for s390.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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The include of linux/smp.h needs to be done before the #if that
checks for the compiler version. Seems like fallout from the
inline assembly cleanup patch vs. the directed yield patch.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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Fix a race condition during AP device registration and unregistration.
Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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While the machine owns us an interrupt in these cases (and we should get
one), reality isn't always like that...
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix new restore_sigregs function. It copies the user space copy of the
old psw without correcting the psw.mask and the psw.addr high order bit.
While we are at it, simplify save_sigregs a bit.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* 'for-2.6.19' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] Document bi_sector and sector_t
[PATCH] helper function for retrieving scsi_cmd given host based block layer tag
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Signed-Off-By: Roger Gammans <rgammans@computer-surgery.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This was necessitated by the need for a function to get back
to a scsi_cmnd, when an hba the posts its (corresponding) completion
interrupt with a block layer tag as its reference.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Remove remaining reference to ite_gpio.h from Kbuild
[MIPS] PNX8550 fixups
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch fixes the compilation errors on PNX8550 and hard-to-track
bug in interrupt handling.
It also corresponds to the latest changes in PNX8550 serial driver.
Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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