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2012-11-30staging:iio:ad7793: Rework platform dataLars-Peter Clausen
Currently the platform data for the ad7793 consist just out of the raw default register settings. This has some downsides, for one we actually don't want to make all bits configurable and secondly not all register settings are actually valid. This patch exposes all the options which should be configurable via platform data as induvidual platform data struct fields. This also allows us to document the different settings via proper kernel doc. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-11-30staging:iio:ad7793: Use kstrtol instead of strict_strtolLars-Peter Clausen
strict_strtol is deprecated in favor of kstrtol. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-11-30staging:iio:ad7793: Use usleep_range instead of msleepLars-Peter Clausen
It is recommended to use usleep_range instead of msleep for durations smaller than a 20ms. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-11-30staging:iio:ad7793: Fix temperature scaleLars-Peter Clausen
The temperature scale was off by a factor of 1000. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-11-30staging:iio:ad7793: Fix VDD monitor scaleLars-Peter Clausen
The VDD monitor scale was off by a factor of 10. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-11-30mac80211: simplify loop in minstrel_htJohannes Berg
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix BSS struct IE access racesJohannes Berg
When a BSS struct is updated, the IEs are currently overwritten or freed. This can lead to races if some other CPU is accessing the BSS struct and using the IEs concurrently. Fix this by always allocating the IEs in a new struct that holds the data and length and protecting access to this new struct with RCU. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: remove probe response temporary buffer allocationJohannes Berg
Instead of allocating a temporary buffer to build IEs build them right into the SKB. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: make ieee80211_build_preq_ies saferJohannes Berg
Instead of assuming 200 bytes are always enough for all the IEs we add, give the length of the buffer to the function and warn instead of overrunning. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix cmp_hidden_bssJohannes Berg
The cmp_bss() comparator function uses memcmp() to compare the SSID. This means that cmp_hidden_bss() needs to similarly return a number bigger than zero (use 1) instead of -1 when ie1 is bigger than ie2, which is the case if an ie2 byte is non-zero. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix whitespace in scan handlingJohannes Berg
Fix a number of indentation and similar issues. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: don't BUG_ON BSS struct issuesJohannes Berg
There's no need to stop the machine, just leak the BSS entry if there's an issue with its hold counter when freeing. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: allow userspace registration for probe requests in IBSSAntonio Quartulli
This change allows userspace to register for probe request frames on an IBSS interface. Userspace then has to handle them and send replies. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30pppoatm: do not inline pppoatm_may_send()Krzysztof Mazur
The pppoatm_may_send() is quite heavy and it's called three times in pppoatm_send() and inlining costs more than 200 bytes of code (more than 10% of total pppoatm driver code size). add/remove: 1/0 grow/shrink: 0/1 up/down: 132/-367 (-235) function old new delta pppoatm_may_send - 132 +132 pppoatm_send 900 533 -367 Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-11-30pppoatm: drop frames to not-ready vccKrzysztof Mazur
The vcc_destroy_socket() closes vcc before the protocol is detached from vcc by calling vcc->push() with NULL skb. This leaves some time window, where the protocol may call vcc->send() on closed vcc and crash. Now pppoatm_send(), like vcc_sendmsg(), checks for vcc flags that indicate that vcc is not ready. If the vcc is not ready we just drop frame. Queueing frames is much more complicated because we don't have callbacks that inform us about vcc flags changes. Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-11-30ACPI / PNP: Do not crash due to stale pointer use during system resumeRafael J. Wysocki
During resume from system suspend the 'data' field of struct pnp_dev in pnpacpi_set_resources() may be a stale pointer, due to removal of the associated ACPI device node object in the previous suspend-resume cycle. This happens, for example, if a dockable machine is booted in the docking station and then suspended and resumed and suspended again. If that happens, pnpacpi_build_resource_template() called from pnpacpi_set_resources() attempts to use that pointer and crashes. However, pnpacpi_set_resources() actually checks the device's ACPI handle, attempts to find the ACPI device node object attached to it and returns an error code if that fails, so in fact it knows what the correct value of dev->data should be. Use this observation to update dev->data with the correct value if necessary and dump a call trace if that's the case (once). We still need to fix the root cause of this issue, but preventing systems from crashing because of it is an improvement too. Reported-and-tested-by: Zdenek Kabelac <zdenek.kabelac@gmail.com> References: https://bugzilla.kernel.org/show_bug.cgi?id=51071 Cc: <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30ACPI / video: Add "Asus UL30VT" to ACPI video detect blacklistLan Tianyu
The ACPI video driver can't control backlight correctly on Asus UL30VT. Vendor driver (asus-laptop) can work. This patch is to add "Asus UL30VT" to ACPI video detect blacklist in order to use asus-laptop for video control on the "Asus UL30VT" rather than ACPI video driver. References: https://bugzilla.kernel.org/show_bug.cgi?id=32592 Reported-by: Alex Williamson <alex.williamson@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30ACPI: do acpisleep dmi check when CONFIG_ACPI_SLEEP is setZhang Rui
The current acpisleep DMI checks only run when CONFIG_SUSPEND is set. And this may break hibernation on some platforms when CONFIG_SUSPEND is cleared. Move acpisleep DMI check into #ifdef CONFIG_ACPI_SLEEP instead. [rjw: Added acpi_sleep_dmi_check() and rebased on top of earlier patches adding entries to acpisleep_dmi_table[].] References: https://bugzilla.kernel.org/show_bug.cgi?id=45921 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30[SCSI] qla2xxx: No fcport FC-4 type assignment in GA_NXT response.Armen Baloyan
Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30mac80211: fix for mesh sync to indicate TBTT adjustmentMarco Porsch
Currently the mesh sync code checks, whether peers indicate TBTT adjustment, but it never sets the corresponding flag itself. By setting ifmsh->tbtt_adjusting to true, it will set the corresponding field in the mesh configuration IE of own beacons. This indication will be set in the current beacon. The TBTT adjustment will be performed afterwards, affecting the next beacon. Thus, the first beacon with stable TBTT will not indicate adjustment anymore and peers will continue tracking the new offset. Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30Merge branch 'acpi-enumeration'Rafael J. Wysocki
* acpi-enumeration: spi / ACPI: add ACPI enumeration support gpio / ACPI: add ACPI support
2012-11-30spi / ACPI: add ACPI enumeration supportMika Westerberg
ACPI 5 introduced SPISerialBus resource that allows us to enumerate and configure the SPI slave devices behind the SPI controller. This patch adds support for this to the SPI core. In addition we bind ACPI nodes to SPI devices. This makes it possible for the slave drivers to get the ACPI handle for further configuration. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30gpio / ACPI: add ACPI supportMathias Nyman
Add support for translating ACPI GPIO pin numbers to Linux GPIO API pins. Needs a gpio controller driver with the acpi handler hook set. Drivers can use acpi_get_gpio() to translate ACPI5 GpioIO and GpioInt resources to Linux GPIO's. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30mfd: tps65910: Fix wrong ack_base registerKim, Milo
The interrupt status registers of TPS65910/1 should be cleared when the associated interrupt event occurs. This work is done in the regmap irq thread - using 'ack_base' register. The ACK registers should be fixed as status register, not mask registers. This patch fixes the infinite interrupt event problem by clearing interrupt status registers. Tested on the AM3517 Craneboard. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30mfd: tps65910: Remove unused dataKim, Milo
The 'io_mutex' is not used anywhere. The regmap API supports the mutex internally, so no additional mutex is required. And 'domain' private data is unnecessary because the irq domain is already registered by using regmap_add_irq_chip(). Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30[SCSI] qla2xxx: Fix for warnings reported by sparse.Saurav Kashyap
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30gpio/pl061: remove old commentBaruch Siach
Since 3ab524754 (gpio: pl061: convert to use generic irq chip) we only have one spinlock in struct pl061_gpio. Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-11-30mfd: stmpe: Get rid of irq_invert_polarityViresh Kumar
Since the very first patch, stmpe core driver is using irq_invert_polarity as part of platform data. But, nobody is actually using it in kernel till now. Also, this is not something part of hardware specs, but is included to cater some board mistakes or quirks. So, better get rid of it. This is earlier discussed here: https://lkml.org/lkml/2012/11/27/636 Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30mfd: ab8500-core: Fix invalid free of devm_ allocated dataTushar Behera
The objects allocated by devm_* APIs are managed by devres and are freed when the device is detached. Hence there is no need to remove them explicitly in remove function. Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30ALSA: hda - Pass errors properly in alc_auto_check_switches()Takashi Iwai
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-30mfd: wm5102: Mark DSP memory regions as volatileMark Brown
We can cache some of them but this is simpler for now. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30mfd: wm5102: Correct default for LDO1_CONTROL_2Mark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30mfd: arizona: Register haptics devicesMark Brown
Both WM5102 and WM5110 support haptics, register the device. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30mfd: wm8994: Make current device behaviour the defaultMark Brown
As the wm8994 series of devices are now very mature make the current behaviour of the devices the default behaviour, any future revisions are likely to have only minor updates. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-30Fix build when CONFIG_W1_MASTER_GPIO=m b exporting "allnodes"Randy Dunlap
ERROR: "allnodes" [drivers/w1/masters/w1-gpio.ko] undefined! Signed-off-by: Randy Dunlap <rdunlap@infradead.org> [grant.likely: allnodes is too generic; rename to of_allnodes] Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Ville Syrjala <syrjala@sci.fi>
2012-11-30ALSA: hda - Refactor alc_kcontrol_new() usagesTakashi Iwai
Allocate the name string and assign the structure in alc_kcontrol_new() itself to reduce the code. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-30ALSA: hda - Use standard sort function in hda_auto_parser.cTakashi Iwai
Just refactoring, no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-30batman-adv: use ETH_P_BATMANAntonio Quartulli
The ETH_P_BATMAN ethertype is now defined kernel-wide. Use it instead of the private BATADV_ETH_P_BATMAN define. Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2012-11-30[SCSI] qla2xxx: Honor status value of 2 for report-id acquisition.Saurav Kashyap
The value of 2 is informational message and it means that port id has changed. The driver should honor the value and continue its normal course. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Remove spurious taking of ha->vport_slock spinlock.Chad Dupuis
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Clear unsupported 'states' during Get-FW-State queries.Andrew Vasquez
Rather than returning stale mailbox values. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Update the driver version to 8.04.00.08-k.Saurav Kashyap
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Free rsp_data even on error in qla2x00_process_loopback()Steve Hodgson
Signed-off-by: Steve Hodgson <steve@purestorage.com> Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Cc: <stable@vger.kernel.org> #3.7 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Change in setting UNLOADING flag and FC vports logout ↵Giridhar Malavali
sequence while unloading qla2xxx driver. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Cc: <stable@vger.kernel.org> #3.7 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Test and clear FCPORT_UPDATE_NEEDED atomically.David Jeffery
When the qla2xxx driver loses access to multiple, remote ports, there is a race condition which can occur which will keep the request stuck on a scsi request queue indefinitely. This bad state occurred do to a race condition with how the FCPORT_UPDATE_NEEDED bit is set in qla2x00_schedule_rport_del(), and how it is cleared in qla2x00_do_dpc(). The problem port has its drport pointer set, but it has never been processed by the driver to inform the fc transport that the port has been lost. qla2x00_schedule_rport_del() sets drport, and then sets the FCPORT_UPDATE_NEEDED bit. In qla2x00_do_dpc(), the port lists are walked and any drport pointer is handled and the fc transport informed of the port loss, then the FCPORT_UPDATE_NEEDED bit is cleared. This leaves a race where the dpc thread is processing one port removal, another port removal is marked with a call to qla2x00_schedule_rport_del(), and the dpc thread clears the bit for both removals, even though only the first removal was actually handled. Until another event occurs to set FCPORT_UPDATE_NEEDED, the later port removal is never finished and qla2xxx stays in a bad state which causes requests to become stuck on request queues. This patch updates the driver to test and clear FCPORT_UPDATE_NEEDED atomically. This ensures the port state changes are processed and not lost. Signed-off-by: David Jeffery <djeffery@redhat.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Cc: stable@vger.kernel.org Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] qla2xxx: Properly set result field of bsg_job reply structure for ↵Armen Baloyan
success and failure. FC transport on receiving bsg_job submission failure, calls bsg_job->job_done() and sets the bsg_job->reply->result the returned value. In contrast, when the success code (0) is returned fc transport doesn't call bsg_job->job_done() and doesn't populate bsg_job->reply->result. Signed-off-by: Steve Hodgson <steve@purestorage.com> Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Cc: <stable@vger.kernel.org> #3.7 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] sd: update sd to use the new pm callbacksAaron Lu
Update sd driver to use the callbacks defined in dev_pm_ops. sd_freeze is NULL, the bus level callback has taken care of quiescing the device so there should be nothing needs to be done here. Consequently, sd_thaw is not needed here either. suspend, poweroff and runtime suspend share the same routine sd_suspend, which will sync flush and then stop the drive, this is the same as before. resume, restore and runtime resume share the same routine sd_resume, which will start the drive by putting it into active power state, this is also the same as before. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] scsi_pm: use callbacks from dev_pm_ops for scsi devicesAaron Lu
Use of pm_message_t is deprecated and device driver is not supposed to use that. This patch migrates the SCSI bus level pm callbacks to call device's pm callbacks defined in its driver's dev_pm_ops. This is achieved by finding out which device pm callback should be used in bus callback function, and then pass that callback function pointer as a param to the scsi_bus_{suspend,resume}_common routine, which will further pass that callback to scsi_dev_type_{suspend,resume} after proper handling. The special case for freeze in scsi_bus_suspend_common is not necessary since there is no high level SCSI driver has implemented freeze, so no need to runtime resume the device if it is in runtime suspended state for system freeze, just return like the system suspend/hibernate case. Since only sd has implemented drv->suspend/drv->resume, and I'll update sd driver to use the new callbacks in the following patch, there is no need to fallback to call drv->suspend/drv->resume if dev_pm_ops is NULL. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] Revert "[SCSI] runtime resume parent for child's system-resume"Aaron Lu
This reverts commit 28fd00d42cca178638f51c08efa986a777c24a4b. With commit 88d26136a256576e444db312179e17af6dd0ea87 (PM: Prevent runtime suspend during system resume), this patch is no longer needed. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-30[SCSI] Revert "[SCSI] scsi_pm: set device runtime state before parent suspended"Aaron Lu
This reverts commit 33a2285d96b5e7b9500612ec623bf4313397bb53. With commit 88d26136a256576e444db312179e17af6dd0ea87 (PM: Prevent runtime suspend during system resume), this patch is no longer needed. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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