- 01 Oct, 2006 40 commits
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john stultz authored
Move all the NTP related code to ntp.c [akpm@osdl.org: cleanups, build fix] Signed-off-by:
John Stultz <johnstul@us.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Josh Triplett authored
The lock annotation macros __acquires, __releases, __acquire, and __release all currently throw away the lock expression passed as an argument. Now that sparse can parse __context__ and __attribute__((context)) with a context expression, pass the lock expression down to sparse as the context expression. This requires a version of sparse from GIT commit 37475a6c1c3e66219e68d912d5eb833f4098fd72 or later. Signed-off-by:
Josh Triplett <josh@freedesktop.org> Signed-off-by:
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Corey Minyard authored
If the driver has interrupts available to it, there is really no reason to have a kernel daemon push the IPMI state machine. Note that I have experienced machines where the interrupts do not work correctly. This was a long time ago and hopefully things are better now. If some machines still have broken interrupts, a blacklist will need to be added. Signed-off-by:
Corey Minyard <minyard@acm.org> Signed-off-by:
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David Brownell authored
This syncs the omap_cf driver with the one from the linux-omap tree. Changes include fixing build warnings (section mismatch, unused return value) and coping with various pcmcia core changes related to managing i/o memory and irq resources. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by:
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Atsushi Nemoto authored
Check return value of sysfs_create_bin_file(). Fix polarity of RTC_BATT_FLAG bit in DS1742. Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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David Brownell authored
This lets the at91rm9200 RTC alarm be a system wakeup irq, according to the setting of /sys/devices/platform/at91_rtc/power/wakeup. User code can set the alarm, put the system into a low power mode, and then rely on it waking up no later than the specified moment. Signed-off-by:
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David Brownell authored
Update RTC framework so that drivers can constify their method tables, moving them from ".data" to ".rodata". Then update the drivers. Signed-off-by:
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David Brownell authored
The rtc_is_valid_tm() routine needs to treat some of the fields it checks as unsigned, to prevent wrongly accepting invalid rtc_time structs; this is the same approach used elsewhere in the RTC code for such tests. Conversely, rtc_proc_show() is missing one invalid-day-of-month test that rtc_is_valid_tm() makes: there is no day zero. Signed-off-by:
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David Brownell authored
This makes RTC core components use "subsys_init" instead of "module_init", as appropriate for subsystem infrastructure. This is mostly useful for statically linking drivers in other parts of the tree that may provide an RTC interface as a secondary functionality (e.g. part of a multifunction chip); they won't need to worry so much about drivers/Makefile link order. Signed-off-by:
Oleg Verych <olecom@flower.upol.cz> Signed-off-by:
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David Brownell authored
Small updates to make the RTC class Kconfig text be more informative. This should help folk used to the drivers/char/rtc.c support, or a single RTC, be slightly less surprised by the differences. Also, adds a new RTC_DEBUG option to predefine DEBUG in the framework and its drivers, while debugging. That's getting to be a standard idiom, and it's pretty useful. Signed-off-by:
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Randy Dunlap authored
SYSCTL should still depend on EMBEDDED. This unbreaks the EMBEDDED menu (from the recent SYSCTL_SYCALL menu option patch). Fix typos in new SYSCTL_SYSCALL menu. Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Jean-Baptiste Maneyrol authored
The century bit PCF8563_MO_C in the month register is misinterpreted. It is set to 1 for the 20th century and 0 for 21th, and the driver is expecting the opposite behavior. Acked-by:
Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@kernel.org> Signed-off-by:
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Jiri Slaby authored
The driver is allocating a page but doesn't actually use it for anything. (History from the old ->write method before Linus cleaned it up) Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Acked-by:
Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Peter Zijlstra authored
All on stack DECLARE_COMPLETIONs should be replaced by: DECLARE_COMPLETION_ONSTACK Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by:
Ingo Molnar <mingo@elte.hu> Acked-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Eric Sesterhenn authored
Looks like the probe function always gets a valid pdev, and checking it after dereferencing it is pretty useless. This patch removes the check (cid #1365) Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Raphael Assenat <raph@raphnet.net> Signed-off-by:
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Rolf Eike Beer authored
BUG_ON() does this unlikely check itself, as bugs in Linux are unlikely anyway :) Signed-off-by:
Rolf Eike Beer <eike-kernel@sf-tec.de> Acked-by:
Zach Brown <zach.brown@oracle.com> Acked-by:
Benjamin LaHaise <benjamin.c.lahaise@intel.com> Signed-off-by:
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Jan Altenberg authored
Address some simple typos in rt-mutex-design.txt It also changes the indentation of the cmpxchg example (the cmpxchg example was indented by spaces, while all other code snippets were indented by tabs). Acked-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
Jan Altenberg <tb10alj@tglx.de> Acked-by:
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Soos Peter authored
Support hdaps on Lenovo ThinkPad T60. It was tested with pivot utility from http://www.kernel.org/pub/linux/kernel/people/rml/hdaps and it seems to be OK. Cc: Jean Delvare <khali@linux-fr.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Robert Love <rml@novell.com> Signed-off-by:
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Eric Sesterhenn authored
This fixes two off by ones in the mwave driver, found via find -iname \*.[ch] | xargs grep "> ARRAY_SIZE(" Signed-off-by: -
Alan Cox authored
Switch trident to use pci_get/put_dev properly. Also fix a bug where the driver erroneously passed pdev not NULL to a second search. This happened to always work except with pci=reverse because of chip ordering. Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by:
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Peter Zijlstra authored
SysRq : Emergency Sync Emergency Sync complete SysRq : Emergency Remount R/O Emergency Remount complete SysRq : Resetting BUG: warning at kernel/lockdep.c:1816/trace_hardirqs_on() (Not tainted) Call Trace: [<ffffffff8026d56d>] show_trace+0xae/0x319 [<ffffffff8026d7ed>] dump_stack+0x15/0x17 [<ffffffff802a68d1>] trace_hardirqs_on+0xbc/0x13d [<ffffffff803a8eec>] sysrq_handle_reboot+0x9/0x11 [<ffffffff803a8f8d>] __handle_sysrq+0x99/0x130 [<ffffffff803a903b>] handle_sysrq+0x17/0x19 [<ffffffff803a36ee>] kbd_event+0x32e/0x57d [<ffffffff80401e35>] input_event+0x42d/0x45b [<ffffffff804063eb>] atkbd_interrupt+0x44d/0x53d [<ffffffff803fe5c5>] serio_interrupt+0x49/0x86 [<ffffffff803ff2a4>] i8042_interrupt+0x202/0x21a [<ffffffff80210cf0>] handle_IRQ_event+0x2c/0x64 [<ffffffff802bfd8b>] __do_IRQ+0xaf/0x114 [<ffffffff8026ea24>] do_IRQ+0xf8/0x107 [<ffffffff8025f886>] ret_from_intr+0x0/0xf DWARF2 unwinder stuck at ret_from_intr+0x0/0xf Leftover inexact backtrace: <IRQ> <EOI> [<ffffffff80258e36>] mwait_idle+0x3f/0x54 [<ffffffff8024a33a>] cpu_idle+0xa2/0xc5 [<ffffffff8026c34e>] rest_init+0x2b/0x2d [<ffffffff809708bc>] start_kernel+0x24a/0x24c [<ffffffff8097028b>] _sinittext+0x28b/0x292 Since we're shutting down anyway, don't bother being smart, just turn the thing off. Signed-off-by:
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Alan Cox authored
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Alan Cox authored
Use the safe ref-counted API for the bridge check Signed-off-by:
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Alan Cox authored
This is one of a series of patches I plan to gradually trickle into the tree which eliminates almost all remaining use of pci_find_* and lets me build a pci_find_* free kernel for all but some obscure ISDN and SCSI drivers. This is important as all pci_find_* users are not hotplug safe - even if they are not the device being plugged. Signed-off-by:
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Olaf Hering authored
ppc can boot one single binary on prep, chrp and pmac boards. ppc64 can boot one single binary on pseries and G5 boards. pmac has no legacy io, probing for PC style legacy hardware (or accessing the legacy io area regulary) may lead to a hard crash: * add check for parport_pc, exit on pmac. 32bit chrp has no ->check_legacy_ioport, the probe is always called. 64bit chrp has check_legacy_ioport, check for a "parallel" node * add check for isapnp, only PReP boards may have real ISA slots. 32bit PReP will have no ->check_legacy_ioport, the probe is always called. * update code in i8042_platform_init. Run ->check_legacy_ioport first, always call request_region. No functional change. Remove whitespace before i8042_reset init. Signed-off-by:
Olaf Hering <olaf@aepfle.de> Acked-by:
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Corey Minyard authored
This patch adds the ability to register for a command per-channel in the IPMI driver. If your BMC supports multiple channels, incoming messages can be useful to have the ability to register to receive commands on a specific channel instead the current behaviour of all channels. Signed-off-by:
David Barksdale <amatus@ocgnet.org> Signed-off-by:
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Petr Vandrovec authored
The ncp specific compat ioctls are clearly local to one file system, so the code can better live there. This version of the patch moves everything into the generic ioctl handler and uses it for both 32 and 64 bit calls. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Petr Vandrovec <petr@vandrovec.name> Signed-off-by:
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Thomas Petazzoni authored
Prevent multiple inclusions of include/linux/sysrq.h using traditional #ifndef..#endif. Signed-off-by:
Thomas Petazzoni <thomas.petazzoni@enix.org> Signed-off-by:
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Pierre Ossman authored
Clarify my (Pierre's) position on which GPL versions apply. The patch only touches the source files where I am the only major author. The people who have made the minor commits to the files have been contacted and have no issues with this change. Signed-off-by:
Pierre Ossman <drzeus@drzeus.cx> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by:
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Olaf Hering authored
Remove unused global SYSRQ_KEY from ppc and powerpc Remove unused define SYSRQ_KEY from sh/sh64 and h8300 Remove unused pckbd_sysrq_xlate and kbd_sysrq_xlate usage Signed-off-by:
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Jiri Slaby authored
- loading of firmware didn't fail when something went wrong (returned 0). - pointer to frame was incremented only by sizeof(frame) excluding its data contents -- bad idea. - tell the card we're ready just after checking is complete, not before. Signed-off-by:
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Diego Calleja authored
Signed-off-by:
Diego Calleja <diegocg@gmail.com> Signed-off-by:
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Rolf Eike Beer authored
If cdev_add() fails there is no good reason to call cdev_del(). Signed-off-by:
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Metathronius Galabant authored
It removes the awkwards spaces after the "=" when displaying the geometry of the attached volumes. Before: cciss: using DAC cycles blocks= 286734240 block_size= 512 heads= 255, sectors= 32, cylinders= 35139 After: cciss: using DAC cycles blocks=286734240 block_size=512 heads=255, sectors=32, cylinders=35139 Signed-off-by:Metathronius Galabant <m.galabant@gmail.com> Acked-by:
Mike Miller <mike.miller@hp.com> Signed-off-by:
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Paul Fulghum authored
Increase maximum number of devices. Signed-off-by:
Paul Fulghum <paulkf@microgate.com> Signed-off-by:
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Paul Fulghum authored
Add bisync and monosync serial protocol support to the synclink_gt driver. Signed-off-by:
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Martin Schwidefsky authored
Use the new diagnose 0x9c in the spinlock implementation for s390. It yields the remaining timeslice of the virtual cpu that tries to acquire a lock to the virtual cpu that is the current holder of the lock. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Martin Schwidefsky authored
Powerpc already has a directed yield for CONFIG_PREEMPT="n". To make it work with CONFIG_PREEMPT="y" as well the _raw_{spin,read,write}_relax primitives need to be defined to call __spin_yield() for spinlocks and __rw_yield() for rw-locks. Acked-by:Paul Mackerras <paulus@samba.org> Signed-off-by:
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Martin Schwidefsky authored
On systems running with virtual cpus there is optimization potential in regard to spinlocks and rw-locks. If the virtual cpu that has taken a lock is known to a cpu that wants to acquire the same lock it is beneficial to yield the timeslice of the virtual cpu in favour of the cpu that has the lock (directed yield). With CONFIG_PREEMPT="n" this can be implemented by the architecture without common code changes. Powerpc already does this. With CONFIG_PREEMPT="y" the lock loops are coded with _raw_spin_trylock, _raw_read_trylock and _raw_write_trylock in kernel/spinlock.c. If the lock could not be taken cpu_relax is called. A directed yield is not possible because cpu_relax doesn't know anything about the lock. To be able to yield the lock in favour of the current lock holder variants of cpu_relax for spinlocks and rw-locks are needed. The new _raw_spin_relax, _raw_read_relax and _raw_write_relax primitives differ from cpu_relax insofar that they have an argument: a pointer to the lock structure. Signed-off-by:
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Paul Collins authored
I was playing with LED triggers when I noticed that changing from heartbeat (or ide-disk) to "none" at the right moment would leave the LED stuck on. This is easy to reproduce by doing "find / >/dev/null" with the ide-disk trigger enabled and then switching to "none". Here is a patch that fixes the problem by explicitly turning the LED off after removing the existing trigger. Signed-off-by:
Paul Collins <paul@ondioline.org> Acked-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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