- 31 3月, 2009 1 次提交
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由 Rafael J. Wysocki 提交于
Use the functions introduced in by the previous patch, suspend_device_irqs(), resume_device_irqs() and check_wakeup_irqs(), to rework the handling of interrupts during suspend (hibernation) and resume. Namely, interrupts will only be disabled on the CPU right before suspending sysdevs, while device drivers will be prevented from receiving interrupts, with the help of the new helper function, before their "late" suspend callbacks run (and analogously during resume). In addition, since the device interrups are now disabled before the CPU has turned all interrupts off and the CPU will ACK the interrupts setting the IRQ_PENDING bit for them, check in sysdev_suspend() if any wake-up interrupts are pending and abort suspend if that's the case. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NIngo Molnar <mingo@elte.hu>
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- 25 3月, 2009 1 次提交
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由 Zhenwen Xu 提交于
do some cleanup on drivers/base/sys.c Signed-off-by: NZhenwen Xu <helight.xu@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 23 2月, 2009 1 次提交
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由 Ingo Molnar 提交于
Impact: module build fix Fix: ERROR: "sysdev_resume" [arch/x86/kernel/apm.ko] undefined! ERROR: "sysdev_suspend" [arch/x86/kernel/apm.ko] undefined! As these APIs are now used by the APM driver, which can be built as a module. Also fix a few extra (and inconsistent) newlines in comment blocks preceding these functions. Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 30 10月, 2008 2 次提交
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由 Andi Kleen 提交于
SYSFS: Fix return values for sysdev_store_{ulong,int} Always return the full size instead of the consumed length of the string in sysdev_store_{ulong,int} This avoids EINVAL errors in some echo versions. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Qinghuang Feng 提交于
There are no functions named sys_device_shutdown or sys_device_suspend in the kernel. They should be fixed to sysdev_shutdown and sysdev_suspend respectively. Signed-off-by: NQinghuang Feng <qhfeng.kernel@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 27 7月, 2008 1 次提交
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由 Arjan van de Ven 提交于
Use WARN() instead of a printk+WARN_ON() pair; this way the message becomes part of the warning section for better reporting/collection. Signed-off-by: NArjan van de Ven <arjan@linux.intel.com> Cc: Greg KH <greg@kroah.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 22 7月, 2008 3 次提交
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由 Andi Kleen 提交于
This adds a new sysdev_ext_attribute that stores a pointer to the variable it manages and some utility functions/macro to easily use them. Previously all users wrote custom macros to generate show/store functions for each variable, with this it is possible to avoid that in many cases. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Andi Kleen 提交于
This allow to dynamically generate attributes and share show/store functions between attributes. Right now most attributes are generated by special macros and lots of duplicated code. With the attribute passed it's instead possible to attach some data to the attribute and then use that in shared low level functions to do different things. I need this for the dynamically generated bank attributes in the x86 machine check code, but it'll allow some further cleanups. I converted all users in tree to the new show/store prototype. It's a single huge patch to avoid unbisectable sections. Runtime tested: x86-32, x86-64 Compiled only: ia64, powerpc Not compile tested/only grep converted: sh, arm, avr32 Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Ben Dooks 提交于
The systdev_class_register() and sysdev_register() functions have pr_debug() statements which are enabled when the user selects the driver core debug. Both of these routines do not produce the correct output, as they make assumptions about data which has not been initialised. In sysdev_class_register() the code uses the kobject_name(&cls->kset.kobj) at the start of the function, but this is not setup until later in the same call. Change this to use cls->name which is passed in from the caller. The sysdev_register() function tries to get the name of the sysdev by kobject_name(&sysdev->kobj), but that isn't setup until later in the same function so change this message to use the name of the sysdev's class and add another message once the name is initialised. Signed-off-by: NBen Dooks <ben-linux@fluff.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 07 5月, 2008 1 次提交
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由 OGAWA Hirofumi 提交于
if ((drv->entry.next != drv->entry.prev) || (drv->entry.next != NULL)) { warns list_empty(&drv->entry). Signed-off-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Greg KH <gregkh@suse.de> Cc: Len Brown <lenb@kernel.org> [ Version 2 totally redone based on suggestions from Linus & Greg ] Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 20 4月, 2008 2 次提交
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由 Harvey Harrison 提交于
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Ben Dooks 提交于
I've just found how easy it is to accidentally register a sysdev_driver for two different classes. When this happens, bad things happen as the sysdev_driver structure keeps has the list entry for the driver registration. The following patch makes a WARN_ON() if this happens, although I think BUG_ON or returning -EAGAIN could also be valid responses to this. Signed-off-by: NBen Dooks <ben@fluff.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 11 3月, 2008 1 次提交
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由 Greg Kroah-Hartman 提交于
We need to initialize the kobject for a sysdev_class as it could have been recycled (stupid static kobjects...) We also do the same thing in case sysdev devices are being re-registered. Thanks to Balaji Rao <balajirrao@gmail.com> for pointing out the problem. Signed-off-by: NBalaji Rao <balajirrao@gmail.com> Tested-by: NMikael Pettersson <mikpe@it.uu.se> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 25 1月, 2008 6 次提交
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由 Kay Sievers 提交于
All kobjects require a dynamically allocated name now. We no longer need to keep track if the name is statically assigned, we can just unconditionally free() all kobject names on cleanup. Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
There is no need for kobject_unregister() anymore, thanks to Kay's kobject cleanup changes, so replace all instances of it with kobject_put(). Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
Stop using kobject_register, as this way we can control the sending of the uevent properly, after everything is properly initialized. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
Dynamically create the kset instead of declaring it statically. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
Dynamically create the kset instead of declaring it statically. We also rename devices_subsys to devices_kset to catch all users of the variable. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
We don't need a "default" ktype for a kset. We should set this explicitly every time for each kset. This change is needed so that we can make ksets dynamic, and cleans up one of the odd, undocumented assumption that the kset/kobject/ktype model has. This patch is based on a lot of help from Kay Sievers. Nasty bug in the block code was found by Dave Young <hidave.darkstar@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 13 10月, 2007 2 次提交
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由 Akinobu Mita 提交于
No one uses sysdev_drivers. Because no one calls sysdev_driver_register with NULL class. And it is difficult to imagine that someone want to implement a global sysdev driver which is called with all sys_device on any kind of sysdev_class. So this patch removes global sysdev_drivers list and update comments for this change. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Tejun Heo <htejun@gmail.com> Acked-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
This macro is only used by the driver core and is held over from when we had subsystems. It is not needed anymore. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 12 7月, 2007 1 次提交
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由 Matthias Kaehlcke 提交于
The sysdev code use a semaphore as mutex. Use the mutex API instead of the (binary) semaphore. Signed-off-by: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 03 5月, 2007 1 次提交
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由 Greg Kroah-Hartman 提交于
We need to work on cleaning up the relationship between kobjects, ksets and ktypes. The removal of 'struct subsystem' is the first step of this, especially as it is not really needed at all. Thanks to Kay for fixing the bugs in this patch. Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 01 7月, 2006 1 次提交
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由 Jörn Engel 提交于
Signed-off-by: NJörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: NAdrian Bunk <bunk@stusta.de>
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- 22 6月, 2006 1 次提交
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由 Shaohua Li 提交于
allow sysdev_class adding attribute. Next patch will use the new API to add an attribute under /sys/device/system/cpu/. Signed-off-by: NShaohua Li <shaohua.li@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 07 2月, 2006 1 次提交
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由 Adrian Bunk 提交于
This patch contains the following changes: - move prototypes to base.h - sys.c should #include "base.h" for getting the prototype of it's global function system_bus_init() Note that hidden in this patch there's a bugfix: Caller and callee disagreed regarding the return type of sysdev_shutdown(). Signed-off-by: NAdrian Bunk <bunk@stusta.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 31 10月, 2005 1 次提交
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由 Tim Schmielau 提交于
I recently picked up my older work to remove unnecessary #includes of sched.h, starting from a patch by Dave Jones to not include sched.h from module.h. This reduces the number of indirect includes of sched.h by ~300. Another ~400 pointless direct includes can be removed after this disentangling (patch to follow later). However, quite a few indirect includes need to be fixed up for this. In order to feed the patches through -mm with as little disturbance as possible, I've split out the fixes I accumulated up to now (complete for i386 and x86_64, more archs to follow later) and post them before the real patch. This way this large part of the patch is kept simple with only adding #includes, and all hunks are independent of each other. So if any hunk rejects or gets in the way of other patches, just drop it. My scripts will pick it up again in the next round. Signed-off-by: NTim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 06 9月, 2005 1 次提交
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由 Shaohua Li 提交于
This patch adds the return value check for sysdev suspend and does restore in failure case. Send the patch to pm-list, but seems lost, so I resend it. Signed-off-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 12 7月, 2005 1 次提交
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由 Alexey Starikovskiy 提交于
Register an "acpi" system device to be notified of shutdown preparation. This depends on CONFIG_PM http://bugzilla.kernel.org/show_bug.cgi?id=4041Signed-off-by: NAlexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 21 6月, 2005 1 次提交
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由 Dmitry Torokhov 提交于
sysfs: fix drivers/base so if an attribute doesn't implement show or store method read/write will return -EIO instead of 0. Signed-off-by: NDmitry Torokhov <dtor@mail.ru> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 17 4月, 2005 2 次提交
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由 Pavel Machek 提交于
I thought I'm done with fixing u32 vs. pm_message_t ... unfortunately that turned out not to be the case as Russel King pointed out. Here are fixes for Documentation and common code (mainly system devices). Signed-off-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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