- 11 3月, 2015 1 次提交
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由 Andrzej Pietrasiewicz 提交于
Add support for configfs interface so that f_printer can be used as a component of usb gadgets composed with it. Signed-off-by: NAndrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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- 12 2月, 2015 2 次提交
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由 Azael Avalos 提交于
This patch adds a new file describing the sysfs entries for the toshiba_acpi driver. Signed-off-by: NAzael Avalos <coproscefalo@gmail.com> Signed-off-by: NDarren Hart <dvhart@linux.intel.com>
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由 Jaegeuk Kim 提交于
This patch introduces a batched trimming feature, which submits split discard commands. This is to avoid long latency due to huge trim commands. If fstrim was triggered ranging from 0 to the end of device, we should lock all the checkpoint-related mutexes, resulting in very long latency. Reviewed-by: NChao Yu <chao2.yu@samsung.com> Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>
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- 10 2月, 2015 1 次提交
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由 Antonios Motakis 提交于
As already demonstrated with PCI [1] and the platform bus [2], a driver_override property in sysfs can be used to bypass the id matching of a device to a AMBA driver. This can be used by VFIO to bind to any AMBA device requested by the user. [1] http://lists-archives.com/linux-kernel/28030441-pci-introduce-new-device-binding-path-using-pci_dev-driver_override.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg00382.htmlSigned-off-by: NAntonios Motakis <a.motakis@virtualopensystems.com> Reviewed-by: NKim Phillips <kim.phillips@freescale.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 07 2月, 2015 1 次提交
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由 Julijonas Kikutis 提交于
Some Samsung laptops with SABI3 delay the sleep for 10 seconds after the lid is closed and do not wake up from sleep after the lid is opened. A SABI command is needed to enable the better behavior. Command = 0x6e, d0 = 0x81 enables this behavior. Returns d0 = 0x01. Command = 0x6e, d0 = 0x80 disables this behavior. Returns d0 = 0x00. Command = 0x6d and any d0 queries the state. This returns: d0 = 0x00000*01, d1 = 0x00, d2 = 0x00, d3 = 0x0* when it is enabled. d0 = 0x00000*00, d1 = 0x00, d2 = 0x00, d3 = 0x0* when it is disabled. Where * is 0 - laptop has never slept or hibernated after switch on, 1 - laptop has hibernated just before, 2 - laptop has slept just before. Patch addresses bug https://bugzilla.kernel.org/show_bug.cgi?id=75901 . It adds a sysfs attribute lid_handling with a description and also an addition to the quirks structure to enable the mode by default. A user with another laptop in the bug report says that "power button has to be pressed twice to wake the machine" when he or she enabled the mode manually using the SABI command. Therefore, it is enabled by default only for the single laptop that I have tested. Signed-off-by: NJulijonas Kikutis <julijonas.kikutis@gmail.com> Signed-off-by: NDarren Hart <dvhart@linux.intel.com>
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- 06 2月, 2015 1 次提交
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由 Ian Munsie 提交于
An AFU may optionally contain one or more PCIe like configuration records, which can be used to identify the AFU. This patch adds support for exposing the raw config space and the vendor, device and class code under sysfs. These will appear in a subdirectory of the AFU device corresponding with the configuration record number, e.g. cat /sys/class/cxl/afu0.0/cr0/vendor 0x1014 cat /sys/class/cxl/afu0.0/cr0/device 0x4350 cat /sys/class/cxl/afu0.0/cr0/class 0x120000 hexdump -C /sys/class/cxl/afu0.0/cr0/config 00000000 14 10 50 43 00 00 00 00 06 00 00 12 00 00 00 00 |..PC............| 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00000100 These files behave in much the same way as the equivalent files for PCI devices, with one exception being that the config file is currently read-only and restricted to the root user. It is not necessarily required to be this strict, but we currently do not have a compelling use-case to make it writable and/or world-readable, so I erred on the side of being restrictive. Signed-off-by: NIan Munsie <imunsie@au1.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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- 02 2月, 2015 1 次提交
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由 Cody P Schafer 提交于
Signed-off-by: NCody P Schafer <cody@linux.vnet.ibm.com> Signed-off-by: NSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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- 31 1月, 2015 1 次提交
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由 Irina Tirdea 提交于
Add support for Freescale MMA9553L Intelligent Pedometer Platform. The following functionalities are supported: - step counter (counts the number of steps using a HW register) - step detector (generates an iio event at every step the user takes) - activity recognition (rest, walking, jogging, running) - speed - calories - distance To get accurate pedometer results, the user's height, weight and gender need to be configured. The specifications can be downloaded from: http://www.freescale.com/files/sensors/doc/ref_manual/MMA955xLSWRM.pdf http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdfSigned-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 30 1月, 2015 2 次提交
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由 Irina Tirdea 提交于
Change calibheight unit from centimeters to meters to follow iio guidelines of using SI units. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Irina Tirdea 提交于
The pedometer needs to filter out false steps that might be generated by tapping the foot, sitting, etc. To do that it computes the number of steps that occur in a given time and decides the user is moving only if this value is over a threshold. E.g.: the user starts moving only if he takes 4 steps in 3 seconds. This filter is applied only when the user starts moving. A device that has such pedometer functionality is Freescale's MMA9553L: http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf. To export this feature, this patch introduces IIO_CHAN_INFO_DEBOUNCE_COUNT and IIO_CHAN_INFO_DEBOUNCE_TIME. For the pedometer, in_steps_debounce_count will specify the number of steps that need to occur in in_steps_debounce_time seconds so that the pedometer decides the user is moving. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 28 1月, 2015 5 次提交
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由 Irina Tirdea 提交于
A step detector will generate an interrupt each time N step are detected. A device that has such pedometer functionality is Freescale's MMA9553L: http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf. Introduce IIO_EV_TYPE_CHANGE event type for events that are generated when the channel passes a threshold on the absolute change in value. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Irina Tirdea 提交于
Some devices need the weight of the user to compute other parameters. One of this devices is Freescale's MMA9553L (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) that needs the weight of the user to compute the number of calories burnt. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Irina Tirdea 提交于
Some devices export the current speed value of the user. One of this devices is Freescale's MMA9553L (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) that computes the speed of the user based on the number of steps and stride length. Introduce a new channel type VELOCITY and a modifier for the magniture or norm of the velocity vector, IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Irina Tirdea 提交于
Some devices export an estimation of the distance the user has covered since the last reset. One of this devices is Freescale's MMA9553L (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) that computes the distance based on the stride length and step rate. Introduce a new channel type DISTANCE to export these values. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Irina Tirdea 提交于
Human activity sensors report the energy burnt by the user. One of this devices is Freescale's MMA9553L (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) that computes the number of calories based on weight and step rate. Introduce a new channel type ENERGY to export these values. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 24 1月, 2015 1 次提交
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由 Darren Hart 提交于
This reverts commit 3161293b. This interface was determined to be flawed and required too invasive a fix for the RC cycle. This will be revisited in 3.20. Signed-off-by: NDarren Hart <dvhart@linux.intel.com>
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- 22 1月, 2015 4 次提交
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由 Ryan Grimm 提交于
Adds reset to sysfs which will PERST the card. If load_image_on_perst is set to "user" or "factory", the PERST will cause that image to be loaded. load_image_on_perst is set to "user" for production. "none" could be used for debugging. The PSL trace arrays are preserved which then can be read through debugfs. PERST also triggers CAPP recovery. An HMI comes in, which is handled by EEH. EEH unbinds the driver, calls into Sapphire to reinitialize the PHB, then rebinds the driver. Signed-off-by: NRyan Grimm <grimm@linux.vnet.ibm.com> Acked-by: NIan Munsie <imunsie@au1.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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由 Ryan Grimm 提交于
load_image_on_perst identifies whether a PERST will cause the image to be flashed to the card. And if so, which image. Valid entries are: "none", "user" and "factory". A value of "none" means PERST will not cause the image to be flashed. A power cycle to the pcie slot is required to load the image. "user" loads the user provided image and "factory" loads the factory image upon PERST. sysfs updates the cxl struct in the driver then calls cxl_update_image_control to write the vals in the VSEC. Signed-off-by: NRyan Grimm <grimm@linux.vnet.ibm.com> Acked-by: NIan Munsie <imunsie@au1.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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由 Philippe Bergheaud 提交于
This fixes two typos and explains where shared attributes are stored. Signed-off-by: NPhilippe Bergheaud <felix@linux.vnet.ibm.com> Acked-by: NMichael Neuling <mikey@neuling.org> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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由 Cody P Schafer 提交于
Event parameters are a basic way for partial events to be specified in sysfs with per-event names given to the fields that need to be filled in when using a particular event. It is intended for supporting cases where the single 'cpu' parameter is insufficient. For example, POWER 8 has events for physical sockets/cores/cpus that are accessible from with virtual machines. To keep using the single 'cpu' parameter we'd need to perform a mapping between Linux's cpus and the physical machine's cpus (in this case Linux is running under a hypervisor). This isn't possible because bindings between our cpus and physical cpus may not be fixed, and we probably won't have a "cpu" on each physical cpu. Signed-off-by: NCody P Schafer <cody@linux.vnet.ibm.com> Signed-off-by: NSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: NJiri Olsa <jolsa@kernel.org> Cc: Cody P Schafer <dev@codyps.com> Cc: Haren Myneni <hbabu@us.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Link: http://lkml.kernel.org/r/1420679633-28856-4-git-send-email-sukadev@linux.vnet.ibm.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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- 20 1月, 2015 1 次提交
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由 Krzysztof Kozlowski 提交于
Document the settings exported by max77693 charger driver through sysfs entries: - fast_charge_timer - top_off_threshold_current - top_off_timer Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: NSebastian Reichel <sre@kernel.org>
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- 13 1月, 2015 1 次提交
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由 Andrzej Pietrasiewicz 提交于
Add support for using the uvc function as a component of USB gadgets composed with configfs. Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: NAndrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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- 10 1月, 2015 1 次提交
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由 Tomas Winkler 提交于
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 09 1月, 2015 1 次提交
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由 Carlo Caione 提交于
This change adds support for the Power Enable Key found on MFD AXP202 and AXP209. Besides the basic support for the button, the driver adds two entries in sysfs to configure the time delay for power on/off. Signed-off-by: NCarlo Caione <carlo@caione.org> Acked-by: NDmitry Torokhov <dmitry.torokhov@gmail.com> [wens@csie.org: made axp20x_pek_remove() static; removed driver owner field; fixed path for sysfs entries] Signed-off-by: NChen-Yu Tsai <wens@csie.org> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 26 12月, 2014 1 次提交
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由 Vlad Dogaru 提交于
Signed-off-by: NVlad Dogaru <vlad.dogaru@intel.com> Acked-by: NHartmut Knaack <knaack.h@gmx.de> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 22 12月, 2014 1 次提交
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由 Seth Jennings 提交于
This commit introduces code for the live patching core. It implements an ftrace-based mechanism and kernel interface for doing live patching of kernel and kernel module functions. It represents the greatest common functionality set between kpatch and kgraft and can accept patches built using either method. This first version does not implement any consistency mechanism that ensures that old and new code do not run together. In practice, ~90% of CVEs are safe to apply in this way, since they simply add a conditional check. However, any function change that can not execute safely with the old version of the function can _not_ be safely applied in this version. [ jkosina@suse.cz: due to the number of contributions that got folded into this original patch from Seth Jennings, add SUSE's copyright as well, as discussed via e-mail ] Signed-off-by: NSeth Jennings <sjenning@redhat.com> Signed-off-by: NJosh Poimboeuf <jpoimboe@redhat.com> Reviewed-by: NMiroslav Benes <mbenes@suse.cz> Reviewed-by: NPetr Mladek <pmladek@suse.cz> Reviewed-by: NMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: NMiroslav Benes <mbenes@suse.cz> Signed-off-by: NPetr Mladek <pmladek@suse.cz> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 12 12月, 2014 1 次提交
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由 Adam Thomson 提交于
Add information on in_current related readings. Signed-off-by: NAdam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 11 12月, 2014 1 次提交
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由 Gabriele Mazzotta 提交于
Add the documentation for the new sysfs interface of dell-laptop that allows to configure the keyboard illumination on Dell systems. Signed-off-by: NGabriele Mazzotta <gabriele.mzt@gmail.com> Signed-off-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDarren Hart <dvhart@linux.intel.com>
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- 04 12月, 2014 1 次提交
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由 Rafael J. Wysocki 提交于
After commit b2b49ccb (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected) PM_RUNTIME is always set if PM is set, so quite a few depend on CONFIG_PM (or even dropped in some cases). Replace CONFIG_PM_RUNTIME with CONFIG_PM in the USB core code and documentation. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NAlan Stern <stern@rowland.harvard.edu> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 03 12月, 2014 1 次提交
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由 Jiri Pirko 提交于
Signed-off-by: NJiri Pirko <jiri@resnulli.us> Reviewed-by: NThomas Graf <tgraf@suug.ch> Acked-by: NJohn Fastabend <john.r.fastabend@intel.com> Acked-by: NAndy Gospodarek <gospo@cumulusnetworks.com> Acked-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 27 11月, 2014 1 次提交
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由 Mathieu Poirier 提交于
Signed-off-by: NMathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 22 11月, 2014 3 次提交
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由 Irina Tirdea 提交于
Some devices need the height of the user to compute various parameters. One of this devices is Freescale's MMA9553L (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) that needs the height of the user to compute the stride length which is used further to determine distance, speed and activity type. Signed-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NDaniel Baluta <daniel.baluta@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Irina Tirdea 提交于
These changes are needed to support the functionality of a pedometer. A pedometer has two basic functionalities: step counter and step detector. The step counter needs to be enabled and then it will count the steps in its hardware register. Whenever the application needs to check the step count, it will read the step counter register. To support the step counter a new channel type STEPS is added. Since the pedometer needs to be enabled first so that the hardware can count and store the steps, we need a specific ENABLE channel info mask. The step detector will generate an interrupt each time a step is detected. To support this functionality we add a new event type INSTANCE. For more information on the Android requirements for step counter and step detector see: http://source.android.com/devices/sensors/composite_sensors.html#counter and http://source.android.com/devices/sensors/composite_sensors.html#detector. A device that has the pedometer functionality this interface needs to support is Freescale's MMA9553L: http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdfSigned-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NDaniel Baluta <daniel.baluta@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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由 Daniel Baluta 提交于
This channel will be used for exposing information about activity composite sensors. Activities supported so far: * running * jogging * walking * still THRESHOLD event is used to signal a change in the activity state. We associate a confidence interval for each activity expressed as a percentage from 0 to 100. * 0, means the sensor IS NOT reporting that activity. * 100, means the sensor IS reporting that activity. Users of this interface have two possible means to gather information about the ongoing activities. 1. Event based, via event file descriptor * sensor may report an event when ENTERING an activity or LEAVING an activity based on a threshold value. * drivers will wake up applications waiting data on the event fd 2. Polling, by reading the sysfs associated attribute files: * /sys/bus/iio/devices/iio:device0/in_activity_running_input expressed as percentage confidence value from 0 to 100. This will offer an interface for Android significant motion composite sensor defined here: http://source.android.com/devices/sensors/composite_sensors.html Activities listed above are supported by Freescale's MMA9553 sensor: http://freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdfSigned-off-by: NIrina Tirdea <irina.tirdea@intel.com> Signed-off-by: NDaniel Baluta <daniel.baluta@intel.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 08 11月, 2014 1 次提交
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由 Sudeep Holla 提交于
This patch adds initial support for providing processor cache information to userspace through sysfs interface. This is based on already existing implementations(x86, ia64, s390 and powerpc) and hence the interface is intended to be fully compatible. The main purpose of this generic support is to avoid further code duplication to support new architectures and also to unify all the existing different implementations. This implementation maintains the hierarchy of cache objects which reflects the system's cache topology. Cache devices are instantiated as needed as CPUs come online. The cache information is replicated per-cpu even if they are shared. A per-cpu array of cache information maintained is used mainly for sysfs-related book keeping. It also implements the shared_cpu_map attribute, which is essential for enabling both kernel and user-space to discover the system's overall cache topology. This patch also add the missing ABI documentation for the cacheinfo sysfs interface already, which is well defined and widely used. Signed-off-by: NSudeep Holla <sudeep.holla@arm.com> Reviewed-by: NStephen Boyd <sboyd@codeaurora.org> Tested-by: NStephen Boyd <sboyd@codeaurora.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-api@vger.kernel.org Cc: linux390@de.ibm.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: x86@kernel.org Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 07 11月, 2014 2 次提交
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由 Andrzej Pietrasiewicz 提交于
Make the hid function available for gadgets composed with configfs. Signed-off-by: NAndrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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由 Prarit Bhargava 提交于
NUMA systems with ACPI normally describe the physical topology via _PXM methods. But many BIOSes don't implement _PXM, which leaves the kernel with no way to discover the device topology, which reduces performance because we can't put memory and processes close to the device. The NUMA node of a PCI device is already exported in the sysfs "numa_node" file. Make that file writable so users can workaround the lack of _PXM methods in the BIOS. For example: echo 3 > /sys/devices/pci0000:ff/0000:03:1f.3/numa_node sets the node for PCI device 0000:03:1f.3. Writing the file emits a FW_BUG warning to encourage users to request firmware updates. It also taints the kernel with TAINT_FIRMWARE_WORKAROUND because overriding the node incorrectly can cause performance issues. [bhelgaas: changelog, documentation text] Signed-off-by: NPrarit Bhargava <prarit@redhat.com> Signed-off-by: NBjorn Helgaas <bhelgaas@google.com> CC: Myron Stowe <mstowe@redhat.com> CC: Alexander Ducyk <alexander.h.duyck@redhat.com> CC: Jiang Liu <jiang.liu@linux.intel.com>
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- 06 11月, 2014 2 次提交
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由 Andrzej Pietrasiewicz 提交于
Make the midi function available for gadgets composed with configfs. Signed-off-by: NAndrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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由 Darshana Padmadas 提交于
This patch adds an entry in ABI documentation for in_voltage-voltage_scale. It has at least one user driver, adis16220, in accel driver. Signed-off-by: NDarshana Padmadas <darshanapadmadas@gmail.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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- 25 10月, 2014 1 次提交
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由 Roberta Dobrescu 提交于
This patch adds documentation for RGBC in_intensity_*_hardwaregain. There is at least one user for these, ADJD-S311-CR999 digital color sensor driver. Signed-off-by: NRoberta Dobrescu <roberta.dobrescu@gmail.com> Signed-off-by: NJonathan Cameron <jic23@kernel.org>
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