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Instead of overriding the peripheral id(PID) check in AMBA
by hardcoding them in DT, add the PIDs to the ETM4x driver.
Here we use Unique Component Identifier(UCI) for MSM8996
since the ETM and CPU debug module shares the same PIDs.
SDM845 does not support CPU debug module.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-3-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Avoid an extra function call in two function implementations
by using a ternary operator instead of a conditional statement.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-2-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
Moritz writes:
FPGA Manager changes for 5.4-rc1
Here is the second set of changes for the 5.4 merge window.
This patchset adds support for the v2 revision of Intel (Altera)'s CVP
parts including the Stratix 10.
All of this patches have been reviewed and been in the last few
linux-next releases without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-cvp-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: altera-cvp: Add Stratix10 (V2) Support
fpga: altera-cvp: Preparation for V2 parts.
fpga: altera-cvp: Discover Vendor Specific offset
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git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into char-misc-next
Mika writes:
thunderbolt: Changes for v5.4 merge window
The biggest change is the addition of Intel Ice Lake integrated
Thunderbolt support. There are also a couple of smaller changes like
converting the driver to use better device property interface and use
correct format string in service key attribute.
* tag 'thunderbolt-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
ACPI / property: Add two new Thunderbolt property GUIDs to the list
thunderbolt: Add support for Intel Ice Lake
thunderbolt: Expose active parts of NVM even if upgrade is not supported
thunderbolt: Hide switch attributes that are not set
thunderbolt: Do not fail adding switch if some port is not implemented
thunderbolt: Use 32-bit writes when writing ring producer/consumer
thunderbolt: Move NVM upgrade support flag to struct icm
thunderbolt: Correct path indices for PCIe tunnel
thunderbolt: Show key using %*pE not %*pEp
thunderbolt: Switch to use device_property_count_uXX()
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Add new parameter (flow_steering_mode) to control the flow steering
mode of the driver.
Two modes are supported:
1. DMFS - Device managed flow steering
2. SMFS - Software/Driver managed flow steering.
In the DMFS mode, the HW steering entities are created through the
FW. In the SMFS mode this entities are created though the driver
directly.
The driver will use the devlink steering mode only if the steering
domain supports it, for now SMFS will manages only the switchdev eswitch
steering domain.
User command examples:
- Set SMFS flow steering mode::
$ devlink dev param set pci/0000:06:00.0 name flow_steering_mode value "smfs" cmode runtime
- Read device flow steering mode::
$ devlink dev param show pci/0000:06:00.0 name flow_steering_mode
pci/0000:06:00.0:
name flow_steering_mode type driver-specific
values:
cmode runtime value smfs
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In case that flow steering mode of the driver is SMFS (Software Managed
Flow Steering), then use the DR (SW steering) API to create the steering
objects.
In addition, add a call to the set peer namespace when switchdev gets
devcom pair event. It is required to support VF LAG in SMFS.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add API to set the flow steering root namesapce mode.
Setting new mode should be called before any steering operation
is executed on the namespace.
This API is going to be used by steering users such switchdev.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add support to create flow steering objects
via direct rule API (SW steering).
New layer is added - fs_dr, this layer translates the command that
fs_core sends to the FW into direct rule API. In case that direct
rule is not supported in some feature then -EOPNOTSUPP is
returned.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add new mlx5 Kconfig flag to allow selecting software steering
support and compile all the steering files only if the flag is
selected.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Expose APIs for direct rule managing to increase insertion rate by
bypassing the firmware.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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SW steering is capable of doing many steering functionalities
but there are still some functionalities which are not exposed
to upper layers and therefore performed by the FW.
This is the support for recalculating checksum using a hairpin QP.
The recalculation is required after a modify TTL action which skips
the needed CS calculation in HW.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Rules are the actual objects that tie matchers, header values and
actions. Each rule belongs to a matcher, which can hold multiple rules
sharing the same mask. Each rule is a specific set of values and
actions.
When a packet reaches a matcher it is being matched against the
matcher`s rules. In case of a match over a rule its actions will be
executed. Each rule object contains a set of STEs, where each STE is a
definition of match values and actions defined by the rule.
This file handles the rule operations and processing.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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On rule creation a set of actions can be provided, the actions describe
what to do with the packet in case of a match. It is possible to provide
a set of actions which will be done by order.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Matcher defines which packets fields are matched when a packet arrives.
Matcher is a part of a table and can contain one or more rules. Where
rule defines specific values of the matcher's mask definition.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Tables are objects which are used for storing matchers, each table
belongs to a domain and defined by the domain type. When a packet
reaches the table it is being processed by each of its matchers until a
successful match. Tables can hold multiple matchers ordered by matcher
priority. Each table has a level.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Domain is the frame for all of the dr (direct rule) objects.
There are different domain types which also affect the object under that
domain. Each domain can hold multiple tables which can hold multiple
matchers and so on, this means that all of the dr (direct rule) objects
exist under a specific domain. The domain object also holds the
resources needed for other objects such as memory management and
communication with the device.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Steering Entry (STE) object is the basic building block of the steering
map. There are several types of STEs. Each rule can be constructed of
multiple STEs. Each STE dictates which fields of the packet's header are
being matched as well as the information about the next step in map (hit
and miss pointers). The hardware gets a packet and tries to match it
against the STEs, going to either the hit pointer or the miss pointer.
This file handles the STE operations.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Inserting or deleting a rule is done by RDMA read/write operation to SW
ICM device memory. This file provides the support for executing these
operations. It includes allocating the needed resources and providing an
API for writing steering entries to the memory.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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ICM device memory is used for writing steering rules (STEs) to the NIC.
An ICM memory pool allocator was implemented to manage the required
memory. The pool consists of buckets, a bucket per chunk size.
Once a bucket is empty we will cut a row of memory from the latest
allocated MR, if the MR size is not sufficient we will allocate a new MR.
HW design requires that chunks memory address should be aligned to the
chunk size, this is the reason for managing the MR with row size that
insures memory alignment.
Current design is greedy in memory but provides quick allocation times
in steady state.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add direct rule command utilities which consists of all the FW
commands that are executed to provide the SW steering functionality.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add the internal header file that contains various types
definition that will be used in coming patches as well as
the internal functions decelerations.
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add flow steering actions: modify header and packet reformat
to the fs_cmd shim layer. This allows each namespace to define
possibly different functionality for alloc/dealloc action commands.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into char-misc-next
Kishon writes:
phy: for 5.4
*) Add a new PHY driver for Lantiq VRX200/ARX300 PCIe PHY
*) Add missing of_node_put() to a bunch of drivers using
for_each_available_child_of_node()
*) Add RXAUI/PCIe/SATA/USB3 support in Marvell's Armada
CP110 COMPHY
*) Other misc fixes and cleanup
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
* tag 'phy-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy: (30 commits)
phy: marvell: phy-mvebu-cp110-comphy: rename instances of DLT
phy: marvell: phy-mvebu-cp110-comphy: implement RXAUI support
dt-bindings: pci: add PHY properties to Armada 7K/8K controller bindings
dt-bindings: phy: Add Marvell COMPHY clocks
phy: mvebu-cp110-comphy: Update comment about powering off all lanes at boot
phy: mvebu-cp110-comphy: Add PCIe support
phy: mvebu-cp110-comphy: Cosmetic change in a helper
phy: mvebu-cp110-comphy: Add SATA support
phy: mvebu-cp110-comphy: Add USB3 host/device support
phy: mvebu-cp110-comphy: Allow non-Ethernet modes to be configured
phy: mvebu-cp110-comphy: Rename the macro handling only Ethernet modes
phy: mvebu-cp110-comphy: Add RXAUI support
phy: mvebu-cp110-comphy: List already supported Ethernet modes
phy: mvebu-cp110-comphy: Add SMC call support
phy: mvebu-cp110-comphy: Explicitly initialize the lane submode
phy: mvebu-cp110-comphy: Add clocks support
phy-rockchip-inno-hdmi: Fix RK3328_TERM_RESISTOR_CALIB_SPEED_7_0's third value
phy: qcom-qmp: Correct ready status, again
phy: qualcomm: phy-qcom-qmp: Add of_node_put() before return
phy: renesas: rcar-gen3-usb2: Disable clearing VBUS in over-current
...
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into char-misc-next
Georgi writes:
interconnect patches for 5.4
Here are the interconnect driver updates for the 5.4-rc1 merge window.
- New feature is the path tagging support that helps with grouping and
aggregating the bandwidth requests into separate buckets based on a tag.
- The first user of the path tagging is the Qualcomm sdm845 driver that
now implements support for wake/sleep sets. This allows consumer drivers
to express their bandwidth needs for the different CPU power states.
- New interconnect driver for the qcs404 platforms and a driver that
communicates bandwidth requests with remote processor over shared memory.
- Cleanups and fixes.
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
* tag 'icc-5.4-rc1' of https://git.linaro.org/people/georgi.djakov/linux:
drivers: qcom: Add BCM vote macro to header
interconnect: qcom: remove COMPILE_TEST from CONFIG_INTERCONNECT_QCOM_QCS404
interconnect: qcom: Add QCS404 interconnect provider driver
interconnect: qcom: Add interconnect RPM over SMD driver
dt-bindings: interconnect: Add Qualcomm QCS404 DT bindings
interconnect: qcom: Add tagging and wake/sleep support for sdm845
interconnect: Add pre_aggregate() callback
interconnect: Add support for path tags
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And simplify the error handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20190903181256.13450-4-wsa+renesas@sang-engineering.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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And simplify the error handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20190903181256.13450-3-wsa+renesas@sang-engineering.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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And simplify the error handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20190903181256.13450-2-wsa+renesas@sang-engineering.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use devm_platform_ioremap_resource helper which wraps
platform_get_resource() and devm_ioremap_resource() together.
Generated by: scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
Fixes: 658e687b4218 ("hwmon: Add Synaptics AS370 PVT sensor driver")
CC: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.1909030646180.3228@hadrien
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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For PCT7027, the sampling period is configured using a dedicated
register.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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TMP112 uses an uncommon method to write the conversion time: its
configuration register is 16 bit wide, and the conversion time is
configured in its second byte.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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We'll need per-chip handling for updating the sample interval.
To prepare for it, separate the code implementing it into its own
function.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The conversion (sample) time is configurable for several chips supported
by the lm75 driver. With the necessary infrastructure in place, enable
this support for all chips using the configuration register for this
purpose.
DS1775:
Conversion time: 187.5, 375, 750, 1500 ms
Sensor resolution: 9, 10, 11, 12 bit
DS75, STDS75:
Conversion time: 150, 300, 600, 1200 ms
Sensor resolution: 9, 10, 11, 12 bit
DS7505:
Conversion time: 25, 50, 100, 200 ms
Sensor resolution: 9, 10, 11, 12 bit
MCP980[0123]:
Conversion time: 75, 150, 300, 600 ms
Sensor resolution: 9, 10, 11, 12 bit
TMP100, TMP101:
Conversion time: 75, 150, 300, 600 ms
Sensor resolution: 9, 10, 11, 12 bit
TMP75, TMP105, TMP175, TMP275:
Conversion time: 38, 75, 150, 300 ms
Sensor resolution: 9, 10, 11, 12 bit
While doing this, it became obvious that the masks and values to set
the converion (sample) time is similar for all those chips, and that
other chips with configurable sample times will need separate code anyway.
For that reason, replace the sample_set_masks and sample_clr_mask
configuration parameters with a single array and with a constant.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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According to kernel hwmon sysfs-interface documentation, temperature
critical max value, typically greater than corresponding temp_max values.
Thus, reads the LTD_HV_HL (LTD HIGH VALUE HIGH LIMITATION) and LTD_LV_HL
(LTD LOW VALUE HIGH LIMITATION) for case hwmon_temp_crit and
hwmon_temp_crit_hyst. Reads the LTD_HV_LL (HIGH VALUE LOW LIMITATION)
and LTD_LV_LL (LOW VALUE LOW LIMITATION) for case hwmon_temp_max
and hwmon_temp_max_hyst.
Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Link: https://lore.kernel.org/r/20850618155720.24857-1-Amy.Shih@advantech.com.tw
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add device tree bindings for Synaptics AS370 PVT sensors.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20190827113337.384457f6@xhacker.debian
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a new driver for Synaptics AS370 PVT sensors. Currently, only
temperature is supported.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190827113259.4fb64a17@xhacker.debian
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Version 2 of the PSU supports a second page of data and changes the
format of the FW version. Use the devicetree binding to differentiate
between the version the driver should use.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1567192263-15065-4-git-send-email-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Document the compatible string for version 2 of the IBM CFFPS PSU.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1567192263-15065-2-git-send-email-eajames@linux.ibm.com
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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There is no reason why power channel shouldn't be exported as is done for
voltage, current, temperature and humidity.
Power channel is available on iio ina226 driver.
Sysfs IIO documentation for power attribute added by commit 7c6d5c7ee883
("iio: Documentation: Add missing documentation for power attribute")
is declaring that value is in mili-Watts but hwmon interface is expecting
value in micro-Watts that's why there is a need for mili-Watts to
micro-Watts conversion.
Tested on Xilinx ZCU102 board.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/db71f5ae87e4521a2856a1be5544de0b6cede575.1566483741.git.michal.simek@xilinx.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ipsps1 is an Inspur Power System power supply unit
Signed-off-by: John Wang <wangzqbj@inspur.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the driver to monitor Inspur Power System power supplies
with hwmon over pmbus.
This driver adds sysfs attributes for additional power supply data,
including vendor, model, part_number, serial number,
firmware revision, hardware revision, and psu mode(active/standby).
Signed-off-by: John Wang <wangzqbj@inspur.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20190819091509.29276-1-wangzqbj@inspur.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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ltc2990 will now use device_property_read_u32_array() instead of
of_property_read_u32_array() - allowing the use of software nodes
via fwnode_create_software_node().
This allows code using i2c_new_device() to specify a default
measurement mode for the LTC2990 via fwnode_create_software_node().
Signed-off-by: Max Staudt <max@enpas.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20190819121618.16557-2-max@enpas.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The email address listed in MODULE_AUTHOR() will be disabled in the
near future. Replace it with my private one.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/1565720249-6549-2-git-send-email-wahrenst@gmx.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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* Create two separate functions to write into hwmon_temp and hwmon_chip.
* Call the functions from lm75_write.
* Make hwm_chip writable if the chip supports more than one sample time.
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Link: https://lore.kernel.org/r/20190808080246.8371-5-iker.perez@codethink.co.uk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The new fields are included to prepare the driver for next patch. The
fields are:
* *resolutions: Stores all the supported resolutions by the device.
* num_sample_times: Stores the number of possible sample times.
* *sample_times: Stores all the possible sample times to be set.
* sample_set_masks: The set_masks for the possible sample times
* sample_clr_mask: Clear mask to set the default sample time.
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Link: https://lore.kernel.org/r/20190808080246.8371-4-iker.perez@codethink.co.uk
[groeck: Minor structure documentation fixes]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Wrap the existing code to write configurations into registers in
a function.
Added error handling to the function.
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Link: https://lore.kernel.org/r/20190808080246.8371-3-iker.perez@codethink.co.uk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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* Add to lm75_data kind field to store the kind of device the driver is
working with.
* Add an structure to store the configuration parameters of all the
supported devices.
* Delete resolution_limits from lm75_data and include them in the structure
described above.
* Add a pointer to the configuration parameters structure to be used as a
reference to obtain the parameters.
* Delete switch-case approach to get the device configuration parameters.
* The structure is cleaner and easier to maintain.
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Link: https://lore.kernel.org/r/20190808080246.8371-2-iker.perez@codethink.co.uk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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NCT-7904D also supports reading of channel limitation registers as well
as SMI status registers for fan, voltage and temperature monitoring.
It also supports reading the temperature sensor type (thermal diode,
thermistor, AMD SB-TSI or Intel PECI).
Add the following sysfs nodes:
-fan[1-*]_min
-fan[1-*]_alarm
-in[1-*]_min
-in[1-*]_max
-in[1-*]_alarm
-temp[1-*]_max
-temp[1-*]_max_hyst
-temp[1-*]_emergency
-temp[1-*]_emergency_hyst
-temp[1-*]_alarm
-temp[1-*]_type
Signed-off-by: Amy Shih <amy.shih@advantech.com.tw>
Link: https://lore.kernel.org/r/20190807013842.24451-1-Amy.Shih@advantech.com.tw
[groeck: Clarified description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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I have been using SENSORS_W83795_FANCTRL for several years and never
had any problem. When the driver was added, I had not tested that
part of the driver yet so I wanted to be super cautious, but time has
shown that it works just fine.
In the long run I even believe that we should drop the option and
enable the feature unconditionally. It doesn't do anything until the
user explicitly starts twiddling with sysfs attributes anyway.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20190806102123.3118bcc5@endymion
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.
// <smpl>
@@
expression ret;
struct platform_device *E;
@@
ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);
if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>
While we're here, remove braces on if statements that only have one
statement (manually).
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-hwmon@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
[groeck: Dropped jz4740-hwmon.c (driver is being removed)]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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At boot time, the acpi_power_meter driver logs the following error level
message: "Ignoring unsafe software power cap". Having read about it from
a few sources, it seems that the error message can be quite misleading.
While the message can imply that Linux is ignoring the fact that the
system is operating in potentially dangerous conditions, the truth is
the driver found an ACPI_PMC object that supports software power
capping. The driver simply decides not to use it, perhaps because it
doesn't support the object.
The best solution is probably changing the log level from error to warning.
All sources I have found, regarding the error, have downplayed its
significance. There is not much of a reason for it to be on error level,
while causing potential confusions or misinterpretations.
Signed-off-by: Wang Shenran <shenran268@gmail.com>
Link: https://lore.kernel.org/r/20190724080110.6952-1-shenran268@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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