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2012-01-12ARM: mach-shmobile: r8a7779 SMP support V3Magnus Damm
This patch contains r8a7779 SMP support V3 - now including CPU hotplug offine and online support. The r8a7779 power domain code is tied together with SMP glue code which allows us to control the power domains via CPU hotplug. At this point the kernel boots with the 4 Cortex-A9 cores in SMP mode and all CPU cores except CPU0 can be hotplugged. The code in platsmp.c is quite far from pretty, but it is kept like that intentionally to avoid creating layers of code that will go away in the near future anyway. The code needs to be updated when some per-SoC handling code will be added to the ARM architecture, see the following patch for more information: "[RFC PATCH 0/3] Per SoC descriptor" Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-11ceph: always initialize the dentry in open_root_dentry()Alex Elder
When open_root_dentry() gets a dentry via d_obtain_alias() it does not get initialized. If the dentry obtained came from the cache, this is OK. But if not, the result is an improperly initialized dentry. To fix this, call ceph_init_dentry() regardless of which path produced the dentry. That function returns immediately for a dentry that is already initialized, it is safe to use either way. (Credit to Sage, who suggested this fix.) Signed-off-by: Alex Elder <aelder@sgi.com>
2012-01-11cpu: Register a generic CPU device on architectures that currently do notBen Hutchings
frv, h8300, m68k, microblaze, openrisc, score, um and xtensa currently do not register a CPU device. Add the config option GENERIC_CPU_DEVICES which causes a generic CPU device to be registered for each present CPU, and make all these architectures select it. Richard Weinberger <richard@nod.at> covered UML and suggested using per_cpu. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-11cpu: Do not return errors from cpu_dev_init() which will be ignoredBen Hutchings
cpu_dev_init() is only called from driver_init(), which does not check its return value. Therefore make cpu_dev_init() return void. We must register the CPU subsystem, so panic if this fails. If sched_create_sysfs_power_savings_entries() fails, the damage is contained, so ignore this (as before). Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-11Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."Florian Tobias Schandinat
This reverts commit 5d910426a6e80194a50e33351c91abcad266c809. Nicolas Ferre <nicolas.ferre@atmel.com> wrote: "Unfortunately this is not true for all the SoC that embed the atmel_lcdfb... So I may need to rework this patch but it is certainly not applicable in the current form." Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-01-11inet_diag: Rename inet_diag_req_compat into inet_diag_reqPavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-11inet_diag: Rename inet_diag_req into inet_diag_req_v2Pavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-11bond_alb: don't disable softirq under bond_alb_xmitMaxim Uvarov
No need to lock soft irqs under bond_alb_xmit() which already has softirq disabled. Changes: 1. add non-bh/bh version to tlb_clear_slave() 2. represent BH and non BH hash table locks _lock_rx_hashtbl_bh/_unlock_rx_hashtbl_bh _lock_rx_hashtbl/_unlock_rx_hashtbl _lock_tx_hashtbl_bh/_unlock_tx_hashtbl_bh _lock_tx_hashtbl/_unlock_tx_hashtbl Signed-off-by: Maxim Uvarov <maxim.uvarov@oracle.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-11mac80211: fix rx->key NULL pointer dereference in promiscuous modeStanislaw Gruszka
Since: commit 816c04fe7ef01dd9649f5ccfe796474db8708be5 Author: Christian Lamparter <chunkeey@googlemail.com> Date: Sat Apr 30 15:24:30 2011 +0200 mac80211: consolidate MIC failure report handling is possible to that we dereference rx->key == NULL when driver set RX_FLAG_MMIC_STRIPPED and not RX_FLAG_IV_STRIPPED and we are in promiscuous mode. This happen with rt73usb and rt61pci at least. Before the commit we always check rx->key against NULL, so I assume fix should be done in mac80211 (also mic_fail path has similar check). References: https://bugzilla.redhat.com/show_bug.cgi?id=769766 http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2012-January/004395.html Cc: stable@vger.kernel.org # 3.0+ Reported-by: Stuart D Gathman <stuart@gathman.org> Reported-by: Kai Wohlfahrt <kai.scorpio@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-11nl80211: fix old station flags compatibilityJohannes Berg
My patch to validate station flags broke compatibility with the old station flags setting where all flags are always set at once since it always set the mask as all possible flags which ended up being rejected later in the station add/modify code. Fix by parsing only the current flags in the old flags attribute -- new applications and new flags should use (and will now require) the new flags attribute where the mask is given by the application. Reported-and-tested-by: Thomas Hilber <ath9k-dev@toh.cx> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-11Merge branch 'slab/urgent' into slab/for-linusPekka Enberg
2012-01-12ARM: EXYNOS: Invert VCLK polarity for framebuffer on ORIGENTushar Behera
Framebuffer driver needs to fetch the video data during the rising edge of the VCLK. Otherwise, there are some glitches in the LCD display. Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: S3C64XX: Fix interrupt configuration for PCA935x on CragganmoreMark Brown
0 is a valid IRQ but the interrupt line for the pca935x certainly isn't connected there which causes it to fail to probe. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: S3C64XX: Fix the memory mapped GPIOs on CragganmoreMark Brown
Rather than letting them get allocated dynamically where we don't know where they are, and also name the data line resource as gpio-generic requires that. Without these changes the GPIOs are useless. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: S3C64XX: Remove hsmmc1 from CragganmoreMark Brown
The second MMC slot was only present on revision 1 of Cragganmore so remove it. Only MMC0 and MMC2 are there on production systems. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: S3C64XX: Remove unconditional power domain disablesMark Brown
Now that we have software runtime power management support this code is redundant. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: SAMSUNG: Declare struct platform_device in plat/s3c64xx-spi.hMark Brown
The function declarations in plat/s3c64xx-spi.h rely on struct platform_device but it's not declared by the header causing compiler warnings if it is included prior to another header which does that. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: SAMSUNG: dma-ops.h needs mach/dma.hMark Brown
dma-ops.h uses samsung_dma_is_dmadev so it needs to have mach/dma.h included. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-12ARM: SAMSUNG: Guard against multiple inclusion of plat/dma.hMark Brown
Otherwise it'll generate errors if included twice. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-11UBIFS: fix debugging messagesArtem Bityutskiy
Patch 56e46742e846e4de167dde0e1e1071ace1c882a5 broke UBIFS debugging messages: before that commit when UBIFS debugging was enabled, users saw few useful debugging messages after mount. However, that patch turned 'dbg_msg()' into 'pr_debug()', so to enable the debugging messages users have to enable them first via /sys/kernel/debug/dynamic_debug/control, which is very impractical. This commit makes 'dbg_msg()' to use 'printk()' instead of 'pr_debug()', just as it was before the breakage. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: stable@kernel.org [3.0+]
2012-01-11UBIFS: make debugging messages light againArtem Bityutskiy
We switch to dynamic debugging in commit 56e46742e846e4de167dde0e1e1071ace1c882a5 but did not take into account that now we do not control anymore whether a specific message is enabled or not. So now we lock the "dbg_lock" and release it in every debugging macro, which make them not so light-weight. This commit removes the "dbg_lock" protection from the debugging macros to fix the issue. The downside is that now our DBGKEY() stuff is broken, but this is not critical at all and will be fixed later. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: stable@kernel.org [3.0+]
2012-01-11UBI: fix debugging messagesArtem Bityutskiy
Patch ab50ff684707031ed4bad2fdd313208ae392e5bb broke UBI debugging messages: before that commit when UBI debugging was enabled, users saw few useful debugging messages after attaching an MTD device. However, that patch turned 'dbg_msg()' into 'pr_debug()', so to enable the debugging messages users have to enable them first via /sys/kernel/debug/dynamic_debug/control, which is very impractical. This commit makes 'dbg_msg()' to use 'printk()' instead of 'pr_debug()', just as it was before the breakage. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: stable@kernel.org [3.0+]
2012-01-11sched: Fix lockup by limiting load-balance retries on lock-breakPeter Zijlstra
Eric and David reported dead machines and traced it to commit a195f004 ("sched: Fix load-balance lock-breaking"), it turns out there's still a scenario where we can end up re-trying forever. Since there is no strict forward progress guarantee in the load-balance iteration we can get stuck re-retrying the same task-set over and over. Creating a forward progress guarantee with the existing structure is somewhat non-trivial, for now simply terminate the retry loop after a few tries. Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Eric Dumazet <eric.dumazet@gmail.com> Reported-by: David Ahern <dsahern@gmail.com> [ logic cleanup as suggested by Eric ] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Link: http://lkml.kernel.org/r/1326297936.2442.157.camel@twins Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-01-11block: Add BLKROTATIONAL ioctlMartin K. Petersen
Introduce an ioctl which permits applications to query whether a block device is rotational. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-01-11block: Introduce blk_set_stacking_limits functionMartin K. Petersen
Stacking driver queue limits are typically bounded exclusively by the capabilities of the low level devices, not by the stacking driver itself. This patch introduces blk_set_stacking_limits() which has more liberal metrics than the default queue limits function. This allows us to inherit topology parameters from bottom devices without manually tweaking the default limits in each driver prior to calling the stacking function. Since there is now a clear distinction between stacking and low-level devices, blk_set_default_limits() has been modified to carry the more conservative values that we used to manually set in blk_queue_make_request(). Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-01-11Merge branches 'next/ar7', 'next/ath79', 'next/bcm63xx', 'next/bmips', ↵Ralf Baechle
'next/cavium', 'next/generic', 'next/kprobes', 'next/lantiq', 'next/perf' and 'next/raza' into mips-for-linux-next
2012-01-11Merge branch 'next/alchemy' into mips-for-linux-nextRalf Baechle
2012-01-11Merge branch 'next/generic' into mips-for-linux-nextRalf Baechle
2012-01-11Merge branch 'fixes-for-linus' into mips-for-linux-nextRalf Baechle
2012-01-11MIPS: Delete unused function add_temporary_entry.Ralf Baechle
Only available for R4000 style TLBs anyway and proper ordering of initialization code made this crude interface unncecessary. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-01-11MIPS: Set default pci cache line size.Ralf Baechle
On MIPS the generic PCI code has always defaulted to L1_CACHE_BYTES because the architecutre PCI code did not provide a better default. In particular on systems with S-caches or T-caches this was suboptimal. Provide a better default by setting pci_dfl_cache_line_size based on the size of the line size of the lowest level of the cache hierarchy. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/2982/
2012-01-11MIPS: Flush huge TLBHillf Danton
When flushing TLB, if @vma is backed by huge page, we could flush huge TLB, due to that huge page is defined to be far from normal page. Signed-off-by: Hillf Danton <dhillf@gmail.com> Acked-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: "Jayachandran C." <jayachandranc@netlogicmicro.com> Patchwork: https://patchwork.linux-mips.org/patch/2825/ Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Hillf Danton <dhillf@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/3114/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-01-11Merge branch 'for-3.3' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc into topic/asoc
2012-01-11NVMe: Set number of queues correctlyMatthew Wilcox
The number of submission & completion queues should be set by calling Set Features, not Get Features. Reported-by: Kwok Kong <Kwok.Kong@idt.com> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
2012-01-11mb86a20s: Add a few more register settings at the init seqMauro Carvalho Chehab
Some time ago, Manoel sent us a patch adding more stuff to the init sequence. However, his patch were also doing non-related stuff, by changing the init logic without any good reason. So, it was asked for him to submit a patch with just the data that has changed, in order to allow us to better analyze it. As he didn't what it was requested, I finally found some time to dig into his init sequence and add it here. Basically, new stuff is added there. There are a few changes: 1) The removal of the extra (duplicated) logic that puts the chip into the serial mode; 2) Some Viterbi VBER measurement init data was changed from 0x00 to 0xff for layer A, to match what was done for layers B and C. None of those caused any regressions and both make sense on my eyes. The other parameters additions actually increased the tuning quality for some channels. Yet, some channels that were previously discovered with scan disappered, while others appeared instead. This were tested in Brasilia, with an external antena. At the overall, it is now a little better. So, better to add these, and then try to figure out a configuration that would get even better scanning results. Reported-by: Manoel Pinheiro <pinusdtv@hotmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-11mb86a20s: Group registers into the same lineMauro Carvalho Chehab
On mb86a20s, some registers have sub-addresses, while others not. In order to make easier to compare different settings, group them. No functional changes in this patch. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-11ASoC: twl6040 - Add method to query optimum PDM_DL1 gainLiam Girdwood
The DL1 PDM interface adds a little gain depending on the output device. Add a method to retrieve the gain value for machine driver usage. Signed-off-by: Liam Girdwood <lrg@ti.com>
2012-01-11GFS2: Fix nlink setting on inode creationSteven Whitehouse
Since the nlink count will be 0, we need to use set_nlink rather than inc_nlink in order to avoid triggering the inc_nlink warning which was added recently. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-01-11ALSA: hda - Fix the lost power-setup of seconary pins after PM resumeTakashi Iwai
When multiple headphone or other detectable output pins are present, the power-map has to be updated after resume appropriately, but the current driver doesn't check all pins but only the first pin (since it's enough to check it for the mute-behavior). This resulted in the silent output from the secondary outputs after PM resume. This patch fixes the problem by checking all pins at (re-)init time. Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=740347 Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-01-11GFS2: fail mount if journal recovery failsDavid Teigland
If the first mounter fails to recover one of the journals during mount, the mount should fail. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-01-11GFS2: let spectator mount do read only recoveryDavid Teigland
Previously, a spectator mount would not even attempt to do journal recovery for a failed node. This meant that if all mounted nodes were spectators, everyone would be stuck after a node failed, all waiting for recovery to be performed. This is unnecessary since the failed node had a clean journal. Instead, allow a spectator mount to do a partial "read only" recovery, which means it will check if the failed journal is clean, and if so, report a successful recovery. If the failed journal is not clean, it reports that journal recovery failed. This makes it work the same as a read only mount on a read only block device. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-01-11GFS2: Fix a use-after-free that coverity spottedBob Peterson
In function gfs2_inplace_release it was trying to unlock a gfs2_holder structure associated with a reservation, after said reservation was freed. The problem is that the statements have the wrong order. This patch corrects the order so that the reservation is freed after the gfs2_holder is unlocked. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-01-11GFS2: dlm based recovery coordinationDavid Teigland
This new method of managing recovery is an alternative to the previous approach of using the userland gfs_controld. - use dlm slot numbers to assign journal id's - use dlm recovery callbacks to initiate journal recovery - use a dlm lock to determine the first node to mount fs - use a dlm lock to track journals that need recovery Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-01-11ALSA: usb-audio: add Yamaha MOX6/MOX8 supportClemens Ladisch
Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-01-11ALSA: virtuoso: add S/PDIF input support for all XonarsClemens Ladisch
All Xonar cards support S/PDIF input, but the cards without optical or coaxial plugs have only undocumented pin connectors. Support for the ST/STX was already added in a previous patch; this adds support for the D1/DX (JP2), DG (J5), DS (J5), and HDAV Slim (J12). Many thanks to Zoltan Miklos for testing the DS and DX. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-01-11microblaze: Add topology initMichal Simek
Init topology subsystem by cpu registration. Microblaze Linux kernel is fauling by "Oops: kernel access of bad area, sig: 11" because cpu is not initialized. Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-01-11ALSA: ice1724 - Support for ooAoo SQ210aPavel Hofman
This card shares PCI ids with Chaintec AV710. Therefore, it will not be detected automatically, it can only be activated by the module parameter model=sq210a. Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-01-11ALSA: ice1724 - Allow card info based on model onlyPavel Hofman
When two different cards share the same PCI vendor/subvendor identification, allow card info based on model only. Do not require subvendor ID. Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-01-11ALSA: ice1724 - Create capture pcm only for ADC-enabled configurationsPavel Hofman
Add the capture pcm only if there is at least one ADC configured in the SYSCONF register. Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-01-11ALSA: hdspm - Provide unique driver id based on card serialAdrian Knoth
Before, /proc/asound looked like this: 2 [Default ]: HDSPM - RME RayDAT_f1cd85 RME RayDAT S/N 0xf1cd85 at 0xf7300000, irq 18 In case of a second HDSPM card, its name would be Default_1. This is cumbersome, because the order of the cards isn't stable across reboots. To help userspace tools referring to the correct card, this commit provides a unique id for each card: 2 [HDSPMxf1cd85 ]: HDSPM - RME RayDAT_f1cd85 RME RayDAT S/N 0xf1cd85 at 0xf7300000, irq 18 In this example, userspace (configuration files) would then use hw:HDSPMxf1cd85 to choose the right card. The serial is masked to 24bits, so this string is always shorter than sixteen chars. Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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