- 01 Oct, 2006 40 commits
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Roman Zippel authored
This converts time_freq to a scaled nsec value and adds around 6bit of extra resolution. This pushes the time_freq to its 32bit limits so the calculatons have to be done with 64bit. Signed-off-by:
Roman Zippel <zippel@linux-m68k.org> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Roman Zippel authored
time_tolerance isn't changed at all in the kernel, so simply remove it, this simplifies the next patch, as it avoids a number of conversions. Signed-off-by:
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Roman Zippel authored
This folds update_ntp_one_tick() into second_overflow() and adds time_adjust to the tick length, this makes time_next_adjust unnecessary. This slightly changes the adjtime() behaviour, instead of applying it to the next tick, it's applied to the next second. Signed-off-by:
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Roman Zippel authored
This converts time_offset into a scaled per tick value. This avoids now completely the crude compensation in second_overflow(). Signed-off-by:
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Roman Zippel authored
This adds the frequency part to ntp_update_frequency(). Signed-off-by:
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Roman Zippel authored
This makes time_adj local to second_overflow() and integrates it into the tick length instead of adding it everytime. Signed-off-by:
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Roman Zippel authored
This introduces ntp_update_frequency() and deinlines ntp_clear() (as it's not performance critical). ntp_update_frequency() calculates the base tick length using tick_usec and adds a base adjustment, in case the frequency doesn't divide evenly by HZ. Signed-off-by:
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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:
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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
Signed-off-by:
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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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