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2012-03-13mac80211: rename bss_conf timestamp to last_tsfJohannes Berg
This value is not really very useful by itself, yet some drivers (including iwlwifi until I can figure out what it should do) use it. At least rename it to "last_tsf" to indicate the meaning and add a note that it may be really old. I suspect the value may become useful combined with the rx_status->mactime, but we don't (yet) store that value and pass it to the driver. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13cfg80211: clarify timestamp in cfg80211_inform_bssJohannes Berg
This is intended to be the timestamp sent by the peer in the beacon/probe response, not any form of host timestamp. Clarify the documentation and variable names. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13brmc80211: dont use jiffies for BSS TSFJohannes Berg
The cfg80211_inform_bss() timestamp argument is intended to be the TSF, not any form of host timestamp. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13Documentation: make exists consistentYegor Yefremov
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rename fuctions and variables for better readabilityYogesh Ashok Powar
Renaming the long fuctions and variable names from 11n_rxreoder.c file to shorter ones for better readability. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rearrange if and else blocks to avoid extra indentationYogesh Ashok Powar
This adds better readability. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: use usleep_range instead of udelayYogesh Ashok Powar
For the delay of 10 uSec or more usleep_range is prefered. Unlike udelay, sleep_range avoids large number of undesired interrupts. Ref Documentation/timers/timers-howto.txt Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: merge functions to derive cfp by chan & freq in oneYogesh Ashok Powar
There exist different functions with very long names to derive the channel frequency and power tripplet based on band and channel/freq. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rearrange switch statementYogesh Ashok Powar
Fixing coding style by rearranging the switch statement Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rename long function names to shorter onesYogesh Ashok Powar
This saves some space and adds better readability. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mac80211: linearize SKBs as needed for cryptoJohannes Berg
Not linearizing every SKB will help actually pass non-linear SKBs all the way up when on an encrypted connection. For now, linearize TKIP completely as it is lower performance and I don't quite grok all the details. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mac80211: move RX WEP weak IV countingJohannes Berg
This is better done inside the WEP decrypt function where it doesn't have to check all the conditions any more since they've been tested already. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13b43: Load firmware from a work queue and not from the probe routineLarry Finger
Recent changes in udev are causing problems for drivers that load firmware from the probe routine. As b43 has such a structure, it must be changed. As this driver loads more than 1 firmware file, changing to the asynchronous routine request_firmware_nowait() would be complicated. In this implementation, the probe routine starts a queue that calls the firmware loading routines. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13b43legacy: Load firmware from work queue instead of from probe routineLarry Finger
Recent changes in udev are causing problems for drivers that load firmware from the probe routine. As b43legacy has such a structure, it must be changed. As this driver loads 3 or 4 firmware files, changing to the asynchronous routine request_firmware_nowait() would be complicated. In this implementation, the probe routine starts a work queue that calls the firmware loading routines. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13Merge branch 'for-linville' of git://github.com/kvalo/ath6klJohn W. Linville
2012-03-13Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2012-03-13xenbus: don't free other end details too earlyJan Beulich
The individual drivers' remove functions could legitimately attempt to access this information (for logging messages if nothing else). Note that I did not in fact observe a problem anywhere, but I came across this while looking into the reasons for what turned out to need the fix at https://lkml.org/lkml/2012/3/5/336 to vsprintf(). Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-03-13usb: host: xhci: add platform driver supportSebastian Andrzej Siewior
This adds a fairly simple xhci-platform driver support. Currently it is used by the dwc3 driver for supporting host mode. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2012-03-13ALSA: hda - fix printing of high HDMI sample ratesAnssi Hannula
A previous commit af65cbf296 (ALSA: hdmi: fix printout of SAD sampling rates) fixed the sample rates shown in /proc/asound/cardX/eldY and kernel log to not be entirely wrong. However, a missing rate from the array added in the patch causes HDMI rates 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz to be shown as 96 kHz, 176.4 kHz, 192 kHz, and 384 kHz, respectively. Fix the reporting by adding the ALSA rate 64 kHz into the conversion array between 48 kHz and 88.2 kHz. Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi> Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-03-13sata_fsl: add support for interrupt coalsecing featureQiang Liu
Adds support for interrupt coalescing feature to reduce interrupt events. Provides a mechanism of adjusting coalescing count and timeout tick by sysfs at runtime, so that tradeoff of latency and CPU load can be made depending on different applications. Signed-off-by: Qiang Liu <qiang.liu@freescale.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-03-13ata/pata_arasan_cf: Add Hibernation supportViresh Kumar
This patch adds in Hibernation related callbacks. Also we don't really need to free DMA channel on suspend. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-03-13pata_legacy: correctly mask recovery field for HT6560BSergei Shtylyov
According to the HT6560H datasheet, the recovery timing field is 4-bit wide, with a value of 0 meaning 16 cycles. Correct obvious thinko in the recovery field mask. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-03-13ata_piix: IDE-mode SATA patch for Intel Lynx Point DeviceIDsSeth Heasley
This patch adds the IDE-mode SATA DeviceIDs for the Intel Lynx Point PCH. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-03-13ahci: AHCI-mode SATA patch for Intel Lynx Point DeviceIDsSeth Heasley
This patch adds the AHCI-mode SATA DeviceIDs for the Intel Lynx Point PCH. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-03-13xHCI: update sg tablesizeAndiry Xu
Update sg tablesize as we can expand the ring now. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: check enqueue pointer advance into dequeue segAndiry Xu
When a urb is submitted to xHCI driver, check if queueing the urb will make the enqueue pointer advance into dequeue seg and expand the ring if it occurs. This is to guarantee the safety of ring expansion. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: Allocate 2 segments for transfer ringAndiry Xu
Allocate 2 segments for transfer ring by default, so we can expand the ring when the enqueue pointer and dequeue pointer are in different segments. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: dynamic ring expansionAndiry Xu
If room_on_ring() check fails, try to expand the ring and check again. When expand a ring, use a cached ring or allocate new segments, link the original ring and the new ring or segments, update the original ring's segment numbers and the last segment pointer. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: set cycle state when allocate ringsAndiry Xu
In the past all the rings were allocated with cycle state equal to 1. Now the driver may expand an existing ring, and the new segments shall be allocated with the same cycle state as the old one. This affects ring allocation and cached ring re-initialization. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: factor out segments allocation and free functionAndiry Xu
Factor out the segments allocation and free part from ring allocation and free routines since driver may call them directly when try to expand a ring. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: count free TRBs on transfer ringAndiry Xu
In the past, the room_on_ring() check was implemented by walking all over the ring, which is wasteful and complicated. Count the number of free TRBs instead. The free TRBs number should be updated when enqueue/dequeue pointer is updated, or upon the completion of a set dequeue pointer command. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13xHCI: store ring's last segment and segment numbersAndiry Xu
Store the ring's last segment pointer and number of segments for ring expansion usage. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
2012-03-13perf record: Fix buffer overrun bug in tracepoint_id_to_path()Stephane Eranian
This patch fixes a buffer overrun bug in tracepoint_id_to_path(). The bug manisfested itself as a memory error reported by perf record. I ran into it with perf sched: $ perf sched rec noploop 2 noploop for 2 seconds [ perf record: Woken up 14 times to write data ] [ perf record: Captured and wrote 42.701 MB perf.data (~1865622 samples) ] Fatal: No memory to alloc tracepoints list It turned out that tracepoint_id_to_path() was reading the tracepoint id using read() but the buffer was not large enough to include the \n terminator for id with 4 digits or more. The patch fixes the problem by extending the buffer to a more reasonable size covering all possible id length include \n terminator. Note that atoll() stops at the first non digit character, thus it is not necessary to clear the buffer between each read. Signed-off-by: Stephane Eranian <eranian@google.com> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: fweisbec@gmail.com Cc: dsahern@gmail.com Link: http://lkml.kernel.org/r/20120313155102.GA6465@quad Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-13Merge branch 'linus' into irq/coreThomas Gleixner
Reason: Get upstream fixes integrated before further modifications. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2012-03-13sched/x86: Fix overflow in cyc2ns_offsetSalman Qazi
When a machine boots up, the TSC generally gets reset. However, when kexec is used to boot into a kernel, the TSC value would be carried over from the previous kernel. The computation of cycns_offset in set_cyc2ns_scale is prone to an overflow, if the machine has been up more than 208 days prior to the kexec. The overflow happens when we multiply *scale, even though there is enough room to store the final answer. We fix this issue by decomposing tsc_now into the quotient and remainder of division by CYC2NS_SCALE_FACTOR and then performing the multiplication separately on the two components. Refactor code to share the calculation with the previous fix in __cycles_2_ns(). Signed-off-by: Salman Qazi <sqazi@google.com> Acked-by: John Stultz <john.stultz@linaro.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Turner <pjt@google.com> Cc: john stultz <johnstul@us.ibm.com> Link: http://lkml.kernel.org/r/20120310004027.19291.88460.stgit@dungbeetle.mtv.corp.google.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-13Merge tag 'v3.3-rc7' into sched/coreIngo Molnar
Merge reason: merge back final fixes, prepare for the merge window. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-13[S390] kernel: Pass correct stack for smp_call_ipl_cpu()Michael Holzheu
Currently pcpu_devices->panic_stack is passed to pcpu_delegate() in smp_call_ipl_cpu(). This is wrong because pcpu_delegate() expects the bottom (high address) of the stack and pcpu_devices->panic_stack points to the top (low address). We now pass the bottom of the stack which is pcpu_devices->panic_stack + PAGE_SIZE. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-03-13OMAPDSS: APPLY: fix clearing shadow dirty flag with manual updateTomi Valkeinen
Currently the shadow-dirty flags for manual update displays is cleared in the apply_irq_handler when an update has finished. This is not correct, as the shadow registers are taken into use (i.e. after that they are not dirty) when the update is started. Move the mgr_clear_shadow_dirty() call from apply_irq_handler to dss_mgr_start_update() to fix this. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2012-03-13ath6kl: fix debug.c file modeKalle Valo
Commit 7504a3e1 ("ath6kl: add padding to firmware log records") accidentally changed debug.c mode from 100644 to 100755. Revert that back to original. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: use max_t() in ath6kl_cfg80211_connect()Kalle Valo
ath6kl/cfg80211.c:589: WARNING: max() should probably be max_t(u16, vif->listen_intvl_t, ATH6KL_MAX_WOW_LISTEN_INTL) Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: fix open parenthesis alignment in ath6kl_sdio_suspend()Kalle Valo
ath6kl/sdio.c:875: CHECK: Alignment should match open parenthesis Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: replace strict_strtoul() with kstrtoul()Kalle Valo
Recommended by checkpatch. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: fix regression in ath6kl_upload_board_file()Kalle Valo
My patch 24fc32b3 ("ath6kl: add ath6kl_bmi_write_hi32()") caused a regression in ath6kl_upload_board_file() and the board_address variable was not properly initialised in some cases: ath6kl/init.c:1068:6: warning: ‘board_address’ may be used uninitialized in this function Most likely this broke ar6004 support but I can't test that right now. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13hwmon: (w83627ehf) Describe undocumented pwm attributesGuenter Roeck
Add description of pwm[1-4]_start_output, pwm[1-4]_step_output, pwm[1-4]_stop_output, and pwm[1-4]_max_output attributes to driver documentation. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-03-13hwmon: (w83627ehf) Fix temp2 source for W83627UHGJean Delvare
Properly set the source of temp2 for the W83627UHG. Also fix a comment right before that, and document the W83627UHG as reporting up to 3 temperatures. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-13iommu/tegra-gart: fix spin_unlock in map failure pathLucas Stach
This must have been messed up while merging, the intention was clearly to unlock there. Signed-off-by: Lucas Stach <dev@lynxeye.de> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-03-13Merge branch 'drm-nouveau-next' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-core-next * 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (57 commits) drm/nouveau: map first page of mmio early and determine chipset earlier drm/nvd0/disp: disconnect encoders before reprogramming them drm/nvd0/disp: move syncs/magic setup to or mode_set drm/nouveau/dp: account for channel coding overhead in link training drm/nvd0/disp: fix dcb sor link matching in supervisor handler drm/nvd0/disp: initial implementation of displayport drm/nouveau/dp: make dp dpms function common, call from sor code instead drm/nv50/hwsq: some nv92 fixes drm/nouveau/dp: move all nv50/sor-specific code out of nouveau_dp.c drm/nouveau/dp: make functions for executing various bios tables drm/nouveau/pm: fix oops if chipset has no pm support at all drm/nouveau/bios: rework vbios shadowing drm/nouveau/bios: attempt acpi rom fetch before pcirom drm/nvd0/disp: attempt to handle more than 2 crtcs if possible drm/nvc0/vram: get part count from PUNITS drm/nv40/pm: fix fanspeed regression drm/nouveau/pm: several fixes for nvc0 memory timings drm/nvc0/pm: restrict pll mode to clocks that can actually use it drm/nouveau/dp: fix bad comparison in dp_link_train_commit() drm/nouveau/mxm: call mxmi to determine revision before calling mxms ...
2012-03-13HID: tivo: add support for BT-version (0x1200)Jiri Kosina
Add support for BT-driven configuration of the TiVo remote. Reported-by: Joshua Dillon <jvdillon@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-03-13drm/nouveau: map first page of mmio early and determine chipset earlierBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-03-13drm/nvd0/disp: disconnect encoders before reprogramming themBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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