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2010-03-30include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo29-0/+29
implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-19Merge branch 'for-upstream' of ↵Linus Torvalds3-51/+69
git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb * 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb: uwb: remove duplicate cpu_to_le16() uwb: declare MODULE_FIRMWARE() in i1480 DFU driver uwb: make USB device id table constant uwb: wlp: refactor wlp_get_<attribute>() macros
2010-03-12Merge branch 'for-linus' of ↵Linus Torvalds2-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (56 commits) doc: fix typo in comment explaining rb_tree usage Remove fs/ntfs/ChangeLog doc: fix console doc typo doc: cpuset: Update the cpuset flag file Fix of spelling in arch/sparc/kernel/leon_kernel.c no longer needed Remove drivers/parport/ChangeLog Remove drivers/char/ChangeLog doc: typo - Table 1-2 should refer to "status", not "statm" tree-wide: fix typos "ass?o[sc]iac?te" -> "associate" in comments No need to patch AMD-provided drivers/gpu/drm/radeon/atombios.h devres/irq: Fix devm_irq_match comment Remove reference to kthread_create_on_cpu tree-wide: Assorted spelling fixes tree-wide: fix 'lenght' typo in comments and code drm/kms: fix spelling in error message doc: capitalization and other minor fixes in pnp doc devres: typo fix s/dev/devm/ Remove redundant trailing semicolons from macros fix typo "definetly" -> "definitely" in comment tree-wide: s/widht/width/g typo in comments ... Fix trivial conflict in Documentation/laptops/00-INDEX
2010-03-07Driver core: create lock/unlock functions for struct deviceGreg Kroah-Hartman2-4/+4
In the future, we are going to be changing the lock type for struct device (once we get the lockdep infrastructure properly worked out) To make that changeover easier, and to possibly burry the lock in a different part of struct device, let's create some functions to lock and unlock a device so that no out-of-core code needs to be changed in the future. This patch creates the device_lock/unlock/trylock() functions, and converts all in-tree users to them. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jean Delvare <khali@linux-fr.org> Cc: Dave Young <hidave.darkstar@gmail.com> Cc: Ming Lei <tom.leiming@gmail.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Phil Carmody <ext-phil.2.carmody@nokia.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Magnus Damm <damm@igel.co.jp> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Vegard Nossum <vegard.nossum@gmail.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Alex Chiang <achiang@hp.com> Cc: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrew Patterson <andrew.patterson@hp.com> Cc: Yu Zhao <yu.zhao@intel.com> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: CHENG Renquan <rqcheng@smu.edu.sg> Cc: Oliver Neukum <oliver@neukum.org> Cc: Frans Pop <elendil@planet.nl> Cc: David Vrabel <david.vrabel@csr.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-07Driver core: Constify struct sysfs_ops in struct kobj_typeEmese Revfy1-2/+1
Constify struct sysfs_ops. This is part of the ops structure constification effort started by Arjan van de Ven et al. Benefits of this constification: * prevents modification of data that is shared (referenced) by many other structure instances at runtime * detects/prevents accidental (but not intentional) modification attempts on archs that enforce read-only kernel data at runtime * potentially better optimized code as the compiler can assume that the const data cannot be changed * the compiler/linker move const data into .rodata and therefore exclude them from false sharing Signed-off-by: Emese Revfy <re.emese@gmail.com> Acked-by: David Teigland <teigland@redhat.com> Acked-by: Matt Domsch <Matt_Domsch@dell.com> Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Acked-by: Hans J. Koch <hjk@linutronix.de> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Jens Axboe <jens.axboe@oracle.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-07driver-core: Add attribute argument to class_attribute show/storeAndi Kleen1-1/+4
Passing the attribute to the low level IO functions allows all kinds of cleanups, by sharing low level IO code without requiring an own function for every piece of data. Also drivers can extend the attributes with own data fields and use that in the low level function. This makes the class attributes the same as sysdev_class attributes and plain attributes. This will allow further cleanups in drivers. Full tree sweep converting all users. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-25uwb: remove duplicate cpu_to_le16()Dan Carpenter1-4/+2
These parameters should be passed as cpu endian because we change it to little endian inside usb_control_msg(). On x86 cpu_to_le16() doesn't do anything so either way works but I think the original code would break on big endian systems. I removed the masks as well because that usb_control_msg() parameters are __u16 so we already only use the lower bits. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2010-02-05tree-wide: fix 'lenght' typo in comments and codeDaniel Mack1-1/+1
Some misspelled occurences of 'octet' and some comments were also fixed as I was on it. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Jiri Kosina <trivial@kernel.org> Cc: Joe Perches <joe@perches.com> Cc: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-02-05uwb/i1480: add __init/__exit macrosPeter Huewe1-2/+2
Trivial patch which adds the __init/__exit macros to the module_init/ module_exit functions of uwb/i1480/i1480-est.c Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Acked-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-01-14uwb: declare MODULE_FIRMWARE() in i1480 DFU driverBen Hutchings1-0/+4
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2010-01-14uwb: make USB device id table constantMárton Németh2-2/+2
The id_table field of the struct usb_device_id is constant in <linux/usb.h> so it is worth to make the initialization data also constant. Signed-off-by: Márton Németh <nm127@freemail.hu> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2010-01-11uwb: wlp: refactor wlp_get_<attribute>() macrosDavid Vrabel1-45/+61
Refactor the wlp_get_<attribute>() macros to call a common function. This save over 4k of space and remove a spurious uninitialized variable warning with some versions of gcc. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-12-04tree-wide: fix assorted typos all over the placeAndré Goddard Rosa2-2/+2
That is "success", "unknown", "through", "performance", "[re|un]mapping" , "access", "default", "reasonable", "[con]currently", "temperature" , "channel", "[un]used", "application", "example","hierarchy", "therefore" , "[over|under]flow", "contiguous", "threshold", "enough" and others. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-11-09tree-wide: fix a very frequent spelling mistakeDirk Hohndel1-1/+1
something-bility is spelled as something-blity so a grep for 'blit' would find these lines this is so trivial that I didn't split it by subsystem / copy additional maintainers - all changes are to comments The only purpose is to get fewer false positives when grepping around the kernel sources. Signed-off-by: Dirk Hohndel <hohndel@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-10-11headers: remove sched.h from interrupt.hAlexey Dobriyan1-0/+1
After m68k's task_thread_info() doesn't refer to current, it's possible to remove sched.h from interrupt.h and not break m68k! Many thanks to Heiko Carstens for allowing this. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
2009-10-01const: constify remaining file_operationsAlexey Dobriyan1-3/+3
[akpm@linux-foundation.org: fix KVM] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-21trivial: remove unnecessary semicolonsJoe Perches1-1/+1
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-09-17Merge branch 'for-upstream' of ↵Linus Torvalds6-18/+17
git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb * 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb: uwb: avoid radio controller reset loops uwb: stop uwbd thread if rc->start() fails uwb: handle radio controller events with out-of-range IDs correctly
2009-09-15driver model: constify attribute groupsDavid Brownell1-1/+1
Let attribute group vectors be declared "const". We'd like to let most attribute metadata live in read-only sections... this is a start. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-01uwb: convert to netdev_tx_tStephen Hemminger2-2/+4
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26uwb: avoid radio controller reset loopsDavid Vrabel4-15/+14
If a radio controller reset attempt occurs while a probe() or remove() is in progress it fails and is retried endlessly, potentially preventing the probe() or remove() from completing. If a reset fails, sleep for a bit before retrying the reset. This allows the probe()/remove() to complete. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-08-25uwb: stop uwbd thread if rc->start() failsDavid Vrabel1-1/+1
This fixes an oops when uwbd thread continues running after a failed radio controller start. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-08-25uwb: handle radio controller events with out-of-range IDs correctlyDavid Vrabel1-2/+2
If a radio controller event has an ID that's just out of range don't read beyond the end of uwbd's event arrays. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-06-01uwb: allow WLP to be used with IPv6.Frank Leipold1-1/+1
Ethernet multicast addresses are supported by mapping them to broadcast WLP frames. These are frequently used in IPv6 traffic. Signed-off-by: Frank Leipold <frank.leipold@eads.net> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-06-01uwb: event_size should be signedRoel Kluin1-1/+1
event_size should be ssize_t to notice when hwarc_get_event_size() returns -ENOSPC. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: David Vrabel <david.vrabel@csr.com> Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-04-07dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)Yang Hongyang1-2/+2
Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-07dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)Yang Hongyang1-2/+2
Replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-30trivial: fix typos/grammar errors in Kconfig textsMatt LaPlante1-2/+2
Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-01-23uwb: lock rc->rsvs_lock with spin_lock_bh()David Vrabel2-4/+4
rc->rsvs_lock may be taken in a timer so lock it with spin_lock_bh(). Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-01-22Merge branch 'master' of ↵David Vrabel6-27/+17
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
2009-01-08Merge branch 'master' of ↵David S. Miller1-1/+1
master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
2009-01-07uwb: convert devices to net_device_opsStephen Hemminger5-26/+16
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-07uwb: remove unused #include <version.h>'sHuang Weiyi1-1/+0
Remove unused #include <version.h>'s in file(s) below, drivers/uwb/allocator.c Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-01-06uwb: safely remove all reservationsDavid Vrabel1-4/+13
When removing all reservations during shutdown, terminate them first and then wait for any pending timeout work to complete. This prevents the timeout work from running after the reservation has been freed. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2009-01-06trivial: Fix misspelling of "firmware" in usb.cNick Andrew1-1/+1
Fix misspelling of "firmware" in usb.c It's spelled "firmware". Signed-off-by: Nick Andrew <nick@nick-andrew.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-01-02Merge branch 'master' of ↵David Vrabel1-9/+3
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream Conflicts: drivers/uwb/wlp/eda.c
2008-12-23uwb: remove beacon cache entry after calling uwb_notify()Stefano Panella2-2/+2
Removing the beacon cache entry from a uwb_dev can cause an oops if the bce is released before the call to uwb_notify(). Signed-off-by: Stefano Panella <stefano.panella@csr.com> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-12-22uwb: remove unused include/linux/uwb/debug.hDavid Vrabel5-5/+5
Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-12-22uwb: use print_hex_dump()David Vrabel1-20/+1
Use print_hex_dump() instead of the home-grown dump_bytes(). Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-12-22uwb: use dev_dbg() for debug messagesDavid Vrabel20-691/+117
Instead of the home-grown d_fnstart(), d_fnend() and d_printf() macros, use dev_dbg() or remove the message entirely. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-12-12uwb: fix memory leak in uwb_rc_notif()David Vrabel1-18/+1
Don't leak memory in uwb_rc_notif() if certain non-standard events are received. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-12-12uwb: fix oops when terminating an already terminated reservationDavid Vrabel1-1/+2
Calling uwb_rsv_terminate() on a reservation already in UWB_RSV_STATE_NONE should do nothing. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-12-12uwb: improved MAS allocator and reservation conflict handlingStefano Panella8-316/+1527
Greatly enhance the MAS allocator: - Handle row and column reservations. - Permit all the available MAS to be allocated. - Follows the WiMedia rules on MAS selection. Take appropriate action when reservation conflicts are detected. - Correctly identify which reservation wins the conflict. - Protect alien BP reservations. - If an owned reservation loses, resize/move it. - Follow the backoff procedure before requesting additional MAS. When reservations are terminated, move the remaining reservations (if necessary) so they keep following the MAS allocation rules. Signed-off-by: Stefano Panella <stefano.panella@csr.com> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-26wusb: add debug files for ASL, PZL and DI to the whci-hcd driverDavid Vrabel3-2/+19
Add asl, pzl and di debugfs files to uwb/uwbN/wusbhc for WHCI host controller. These dump the current ASL, PZL and DI buffer. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-26uwb: fix oops in debug PAL's reservation callbackDavid Vrabel1-1/+1
Initialize pal_priv for reservations created by the debug PAL. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-25uwb: clean up whci_wait_for() timeout error messageDavid Vrabel2-32/+8
All callers of whci_wait_for() should get consistant error message if a timeout occurs. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-19uwb: remove unused beacon group join/leave eventsDavid Vrabel1-16/+1
The UWB_NOTIF_BG_JOIN/UWB_NOTIF_BG_LEAVE events have been superceeded by the channel_changed callback in struct uwb_pal. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-19wlp: start/stop radio on network interface up/downDavid Vrabel4-45/+25
Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-19uwb: add basic radio managerDavid Vrabel11-69/+261
The UWB radio manager coordinates the use of the radio between the PALs that may be using it. PALs request use of the radio with uwb_radio_start() and the radio manager will start beaconing if its not already doing so. When the last PAL has called uwb_radio_stop() beaconing will be stopped. In the future, the radio manager will have a more sophisticated channel selection algorithm, probably following the Channel Selection Policy from the WiMedia Alliance when it is finalized. For now, channel 9 (BG1, TFC1) is selected. The user may override the channel selected by the radio manager and may force the radio to stop beaconing. The WUSB Host Controller PAL makes use of this and there are two new debug PAL commands that can be used for testing. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-17uwb: add pal parameter to new reservation callbackDavid Vrabel2-6/+6
The pal parameter allows PALs to retrieve their PAL-specific data structure. Signed-off-by: David Vrabel <david.vrabel@csr.com>
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