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Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/…
…kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage, reviewed and
acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by the
hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in arm64
for allmodconfig, but that change is on its way through the drm
tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (386 commits)
comedi: dt9812: fix DMA buffers on stack
comedi: ni_usb6501: fix NULL-deref in command paths
arm64: errata: Enable TRBE workaround for write to out-of-range address
arm64: errata: Enable workaround for TRBE overwrite in FILL mode
coresight: trbe: Work around write to out of range
coresight: trbe: Make sure we have enough space
coresight: trbe: Add a helper to determine the minimum buffer size
coresight: trbe: Workaround TRBE errata overwrite in FILL mode
coresight: trbe: Add infrastructure for Errata handling
coresight: trbe: Allow driver to choose a different alignment
coresight: trbe: Decouple buffer base from the hardware base
coresight: trbe: Add a helper to pad a given buffer area
coresight: trbe: Add a helper to calculate the trace generated
coresight: trbe: Defer the probe on offline CPUs
coresight: trbe: Fix incorrect access of the sink specific data
coresight: etm4x: Add ETM PID for Kryo-5XX
coresight: trbe: Prohibit trace before disabling TRBE
coresight: trbe: End the AUX handle on truncation
coresight: trbe: Do not truncate buffer on IRQ
coresight: trbe: Fix handling of spurious interrupts
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|---|---|---|
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@@ -226,6 +226,12 @@ Description: Gets the state dump occurring on a CS timeout or failure. | |
| Writing an integer X discards X state dumps, so that the | ||
| next read would return X+1-st newest state dump. | ||
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| What: /sys/kernel/debug/habanalabs/hl<n>/timeout_locked | ||
| Date: Sep 2021 | ||
| KernelVersion: 5.16 | ||
| Contact: [email protected] | ||
| Description: Sets the command submission timeout value in seconds. | ||
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|
||
| What: /sys/kernel/debug/habanalabs/hl<n>/stop_on_err | ||
| Date: Mar 2020 | ||
| KernelVersion: 5.6 | ||
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@@ -203,6 +203,27 @@ Description: | |
| both edges: | ||
| Any state transition. | ||
|
|
||
| What: /sys/bus/counter/devices/counterX/countY/ceiling_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/floor_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/count_mode_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/direction_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/enable_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/error_noise_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/prescaler_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/preset_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/preset_enable_component_id | ||
| What: /sys/bus/counter/devices/counterX/countY/signalZ_action_component_id | ||
| What: /sys/bus/counter/devices/counterX/signalY/cable_fault_component_id | ||
| What: /sys/bus/counter/devices/counterX/signalY/cable_fault_enable_component_id | ||
| What: /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler_component_id | ||
| What: /sys/bus/counter/devices/counterX/signalY/index_polarity_component_id | ||
| What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_component_id | ||
| KernelVersion: 5.16 | ||
| Contact: [email protected] | ||
| Description: | ||
| Read-only attribute that indicates the component ID of the | ||
| respective extension or Synapse. | ||
|
|
||
| What: /sys/bus/counter/devices/counterX/countY/spike_filter_ns | ||
| KernelVersion: 5.14 | ||
| Contact: [email protected] | ||
|
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@@ -212,6 +233,14 @@ Description: | |
| shorter or equal to configured value are ignored. Value 0 means | ||
| filter is disabled. | ||
|
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||
| What: /sys/bus/counter/devices/counterX/events_queue_size | ||
| KernelVersion: 5.16 | ||
| Contact: [email protected] | ||
| Description: | ||
| Size of the Counter events queue in number of struct | ||
| counter_event data structures. The number of elements will be | ||
| rounded-up to a power of 2. | ||
|
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||
| What: /sys/bus/counter/devices/counterX/name | ||
| KernelVersion: 5.2 | ||
| Contact: [email protected] | ||
|
|
@@ -286,7 +315,14 @@ What: /sys/bus/counter/devices/counterX/signalY/signal | |
| KernelVersion: 5.2 | ||
| Contact: [email protected] | ||
| Description: | ||
| Signal data of Signal Y represented as a string. | ||
| Signal level state of Signal Y. The following signal level | ||
| states are available: | ||
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||
| low: | ||
| Low level state. | ||
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| high: | ||
| High level state. | ||
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| What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode | ||
| KernelVersion: 5.2 | ||
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||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| What: /sys/bus/fsi/devices/XX.XX.00:06/sbefifoX/timeout | ||
| KernelVersion: 5.15 | ||
| Contact: [email protected] | ||
| Description: | ||
| Indicates whether or not this SBE device has experienced a | ||
| timeout; i.e. the SBE did not respond within the time allotted | ||
| by the driver. A value of 1 indicates that a timeout has | ||
| ocurred and no transfers have completed since the timeout. A | ||
| value of 0 indicates that no timeout has ocurred, or if one | ||
| has, more recent transfers have completed successful. |
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@@ -429,6 +429,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_angl_scale | |
| What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_scale | ||
| What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_scale | ||
| What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_scale | ||
| What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_scale | ||
| KernelVersion: 2.6.35 | ||
| Contact: [email protected] | ||
| Description: | ||
|
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@@ -1957,3 +1958,44 @@ Description: | |
| Specify the percent for light sensor relative to the channel | ||
| absolute value that a data field should change before an event | ||
| is generated. Units are a percentage of the prior reading. | ||
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| What: /sys/bus/iio/devices/iio:deviceX/calibration_auto_enable | ||
| Date: June 2020 | ||
| KernelVersion: 5.8 | ||
| Contact: [email protected] | ||
| Description: | ||
| Some sensors have the ability to apply auto calibration at | ||
| runtime. For example, it may be necessary to compensate for | ||
| contaminant build-up in a measurement chamber or optical | ||
| element deterioration that would otherwise lead to sensor drift. | ||
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||
| Writing 1 or 0 to this attribute will respectively activate or | ||
| deactivate this auto calibration function. | ||
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| Upon reading, the current status is returned. | ||
|
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| What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value | ||
| Date: June 2020 | ||
| KernelVersion: 5.8 | ||
| Contact: [email protected] | ||
| Description: | ||
| Some sensors have the ability to apply a manual calibration using | ||
| a known measurement value, perhaps obtained from an external | ||
| reference device. | ||
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| Writing a value to this function will force such a calibration | ||
| change. For the scd30 the value should be from the range | ||
| [400 1 2000]. | ||
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| Note for the scd30 that a valid value may only be obtained once | ||
| it is has been written. Until then any read back of this value | ||
| should be ignored. As for the scd4x an error will be returned | ||
| immediately if the manual calibration has failed. | ||
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| What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value_available | ||
| KernelVersion: 5.15 | ||
| Contact: [email protected] | ||
| Description: | ||
| Available range for the forced calibration value, expressed as: | ||
|
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| - a range specified as "[min step max]" | ||
38 changes: 38 additions & 0 deletions
38
Documentation/ABI/testing/sysfs-bus-iio-chemical-sunrise-co2
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| @@ -0,0 +1,38 @@ | ||
| What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_calibration_factory | ||
| Date: August 2021 | ||
| KernelVersion: 5.16 | ||
| Contact: Jacopo Mondi <[email protected]> | ||
| Description: | ||
| Writing '1' triggers a 'Factory' calibration cycle. | ||
|
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||
| What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_calibration_background | ||
| Date: August 2021 | ||
| KernelVersion: 5.16 | ||
| Contact: Jacopo Mondi <[email protected]> | ||
| Description: | ||
| Writing '1' triggers a 'Background' calibration cycle. | ||
|
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||
| What: /sys/bus/iio/devices/iio:deviceX/error_status_available | ||
| Date: August 2021 | ||
| KernelVersion: 5.16 | ||
| Contact: Jacopo Mondi <[email protected]> | ||
| Description: | ||
| Reading returns the list of possible chip error status. | ||
| Available options are: | ||
| - 'error_fatal': Analog front-end initialization error | ||
| - 'error_i2c': Read/write to non-existing register | ||
| - 'error_algorithm': Corrupted parameters | ||
| - 'error_calibration': Calibration has failed | ||
| - 'error_self_diagnostic': Internal interface failure | ||
| - 'error_out_of_range': Measured concentration out of scale | ||
| - 'error_memory': Error during memory operations | ||
| - 'error_no_measurement': Cleared at first measurement | ||
| - 'error_low_voltage': Sensor regulated voltage too low | ||
| - 'error_measurement_timeout': Unable to complete measurement | ||
|
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| What: /sys/bus/iio/devices/iio:deviceX/error_status | ||
| Date: August 2021 | ||
| KernelVersion: 5.16 | ||
| Contact: Jacopo Mondi <[email protected]> | ||
| Description: | ||
| Reading returns the current chip error status. |
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20
Documentation/ABI/testing/sysfs-bus-iio-temperature-max31865
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| What: /sys/bus/iio/devices/iio:deviceX/fault_ovuv | ||
| KernelVersion: 5.11 | ||
| Contact: [email protected] | ||
| Description: | ||
| Overvoltage or Undervoltage Input fault. The internal circuitry | ||
| is protected from excessive voltages applied to the thermocouple | ||
| cables at FORCE+, FORCE2, RTDIN+ & RTDIN-. This circuitry turn | ||
| off when the input voltage is negative or greater than VDD. | ||
|
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| Reading returns '1' if input voltage is negative or greater | ||
| than VDD, otherwise '0'. | ||
|
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| What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency | ||
| KernelVersion: 5.11 | ||
| Contact: [email protected] | ||
| Description: | ||
| Notch frequency in Hz for a noise rejection filter. Used i.e for | ||
| line noise rejection. | ||
|
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||
| Valid notch filter values are 50 Hz and 60 Hz. |
13 changes: 13 additions & 0 deletions
13
Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon
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| @@ -0,0 +1,13 @@ | ||
| What: /sys/bus/platform/devices/occ-hwmon.X/ffdc | ||
| KernelVersion: 5.15 | ||
| Contact: [email protected] | ||
| Description: | ||
| Contains the First Failure Data Capture from the SBEFIFO | ||
| hardware, if there is any from a previous transfer. Otherwise, | ||
| the file is empty. The data is cleared when it's been | ||
| completely read by a user. As the name suggests, only the data | ||
| from the first error is saved, until it's cleared upon read. The OCC hwmon driver, running on | ||
| a Baseboard Management Controller (BMC), communicates with | ||
| POWER9 and up processors over the Self-Boot Engine (SBE) FIFO. | ||
| In many error conditions, the SBEFIFO will return error data | ||
| indicating the type of error and system state, etc. |
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