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982,081 commits

Author SHA1 Message Date
Lorenzo Bianconi
6fa029486b iio: imu: st_lsm6dsx: rely on IIO_G_TO_M_S_2 for gain definition for LSM9DS1
Rely on IIO_G_TO_M_S_2 macro for LSM9DS1 accelerometer gain definitions

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-09-03 21:11:28 +01:00
Lorenzo Bianconi
0f7e17286b iio: imu: st_lsm6dsx: remove invalid gain value for LSM9DS1
Get rid of invalid sensitivity value for LSM9DS1 gyro sensor

Fixes: 52f4b1f196 ("iio: imu: st_lsm6dsx: add support for accel/gyro unit of lsm9ds1")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-09-03 21:10:51 +01:00
Valentin Vidic
dfa5b30b12 staging: exfat: drop local TRUE/FALSE defines
Replace with bool where it makes sense. Also drop unused local
variable lossy in fat_find_dir_entry.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Link: https://lore.kernel.org/r/20190903185537.25099-1-vvidic@valentin-vidic.from.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:10:00 +02:00
Linus Walleij
f73d137d56 ARM: scoop: Use the right include
This is a GPIO driver so it should include
<linux/gpio/driver.h> not <linux/gpio.h>

Link: https://lore.kernel.org/r/20190820103429.7028-1-linus.walleij@linaro.org
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-09-03 22:09:46 +02:00
Valentin Vidic
ab050766f9 staging: exfat: fix spelling errors in comments
Fixes checkpatch.pl warnings:

  CHECK: 'consistancy' may be misspelled - perhaps 'consistency'?
  CHECK: 'stuct' may be misspelled - perhaps 'struct'?

Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Link: https://lore.kernel.org/r/20190903165408.16010-1-vvidic@valentin-vidic.from.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:07:06 +02:00
Arnd Bergmann
9ddb2526eb NXP/FSL SoC driver updates for v5.4
DPAA2 DPIO/MC driver
 - Remove explicit device_link_remove() and device_link_del() calls due to
 framework change
 
 DPAA QBman driver
 - Various changes to make it working with kexec
 - Remove dev_err() usage after platform_get_irq()
 
 GUTS driver
 - Add LS1028 SoC support
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Merge tag 'soc-fsl-next-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.4

DPAA2 DPIO/MC driver
- Remove explicit device_link_remove() and device_link_del() calls due to
framework change

DPAA QBman driver
- Various changes to make it working with kexec
- Remove dev_err() usage after platform_get_irq()

GUTS driver
- Add LS1028 SoC support

* tag 'soc-fsl-next-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  bus: fsl-mc: remove explicit device_link_del
  soc: fsl: dpio: remove explicit device_link_remove
  soc: fsl: guts: Add definition for LS1028A
  soc/fsl/qbman: Update device tree with reserved memory
  soc/fsl/qbman: Fixup qman_shutdown_fq()
  soc/fsl/qbman: Disable interrupts during portal recovery
  soc/fsl/qbman: Fix drain_mr_fqni()
  soc/fsl/qbman: Cleanup QMan queues if device was already initialized
  soc/fsl/qbman: Cleanup buffer pools if BMan was initialized prior to bootup
  soc/fsl/qbman: Rework QBMan private memory setup
  soc: fsl: qbman: Remove dev_err() usage after platform_get_irq()

Link: https://lore.kernel.org/r/20190816195301.26660-1-leoyang.li@nxp.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-09-03 22:06:07 +02:00
Valentin Vidic
a70cfd89dc staging: exfat: cleanup braces for if/else statements
Fixes checkpatch.pl warnings:

  CHECK: Unbalanced braces around else statement
  CHECK: braces {} should be used on all arms of this statement

Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Link: https://lore.kernel.org/r/20190903164732.14194-1-vvidic@valentin-vidic.from.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:05:51 +02:00
Mathieu Poirier
ec13c78d7b coresight: tmc-etr: Add barrier packets when moving offset forward
This patch adds barrier packets in the trace stream when the offset in the
data buffer needs to be moved forward.  Otherwise the decoder isn't aware
of the break in the stream and can't synchronise itself with the trace
data.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by: Yabin Cui <yabinc@google.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-18-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:18 +02:00
Mathieu Poirier
3507d231a4 coresight: tmc-etr: Decouple buffer sync and barrier packet insertion
If less space is available in the perf ring buffer than the ETR buffer,
barrier packets inserted in the trace stream by tmc_sync_etr_buf() are
skipped over when the head of the buffer is moved forward, resulting in
traces that can't be decoded.

This patch decouples the process of syncing ETR buffers and the addition
of barrier packets in order to perform the latter once the offset in the
trace buffer has been properly computed.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-17-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:18 +02:00
Mathieu Poirier
00bb485ce7 coresight: tmc: Make memory width mask computation into a function
Make the computation of a memory mask representing the width of the memory
bus into a function so that it can be re-used by the ETR driver.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-16-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:18 +02:00
Yabin Cui
bbedcb91cc coresight: tmc-etr: Fix perf_data check
When tracing etm data of multiple threads on multiple cpus through
perf interface, each cpu has a unique etr_perf_buffer while sharing
the same etr device. There is no guarantee that the last cpu starts
etm tracing also stops last. This makes perf_data check fail.

Fix it by checking etr_buf instead of etr_perf_buffer.
Also move the code setting and clearing perf_buf to more suitable
places.

Fixes: 3147da92a8 ("coresight: tmc-etr: Allocate and free ETR memory buffers for CPU-wide scenarios")
Signed-off-by: Yabin Cui <yabinc@google.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-15-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:17 +02:00
Yabin Cui
13af88f312 coresight: tmc-etr: Fix updating buffer in not-snapshot mode.
TMC etr always copies all available data to perf aux buffer, which
may exceed the available space in perf aux buffer. It isn't suitable
for not-snapshot mode, because:
1) It may overwrite previously written data.
2) It may make the perf_event_mmap_page->aux_head report having more
or less data than the reality.

So change to only copy the latest data fitting the available space in
perf aux buffer.

Signed-off-by: Yabin Cui <yabinc@google.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-14-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:17 +02:00
Andrew Murray
89e89b05ef coresight: etm4x: improve clarity of etm4_os_unlock comment
To improve clarity, let's update the comment for etm4_os_unlock
to use the name of the register as per the ETM architecture
specification.

The existing comment is also misleading as it suggests any value
written to TRCOSLAR unlocks the trace registers, however it must
be '0' - let's also correct this.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-13-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:17 +02:00
Andrew Murray
08d2ddaa58 coresight: etm4x: use module_param instead of module_param_named
Given that the user-exposed module parameter for 'boot_enable' matches
the variable that it sets, let's use module_param instead of
module_param_named.

Let's also use octal permissions (checkpatch recommends this) and
provide a module parameter description.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-12-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:17 +02:00
Andrew Murray
1004ce4c25 coresight: etm4x: Use explicit barriers on enable/disable
Synchronization is recommended before disabling the trace registers
to prevent any start or stop points being speculative at the point
of disabling the unit (section 7.3.77 of ARM IHI 0064D).

Synchronization is also recommended after programming the trace
registers to ensure all updates are committed prior to normal code
resuming (section 4.3.7 of ARM IHI 0064D).

Let's ensure these syncronization points are present in the code
and clearly commented.

Note that we could rely on the barriers in CS_LOCK and
coresight_disclaim_device_unlocked or the context switch to user
space - however coresight may be of use in the kernel.

On armv8 the mb macro is defined as dsb(sy) - Given that the etm4x is
only used on armv8 let's directly use dsb(sy) instead of mb(). This
removes some ambiguity and makes it easier to correlate the code with
the TRM.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
[Fixed capital letter for "use" in title]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-11-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:17 +02:00
Andrew Murray
6d7651015c coresight: etm4x: Remove superfluous setting of os_unlock
In addition to unlocking the OS lock, etm4_os_unlock will also
set the os_unlock flag. Therefore let's avoid unnecessarily
setting os_unlock flag outside of this function.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
[Fixed capital letter for "remove" in the title]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-10-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:16 +02:00
Suzuki K Poulose
6c87bedc9e coresight: acpi: Static funnel support
The ACPI bindings for CoreSight has been updated to add the device
id for non-programmable CoreSight funnels (aka static funnels) as of
v1.1 [0]. Add the ACPI id for static funnels in the driver.

[0] https://static.docs.arm.com/den0067/a/DEN0067_CoreSight_ACPI_1.1.pdf

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-9-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:16 +02:00
Suzuki K Poulose
82451bbd54 coresight: Convert pr_warn to dev_warn for obsolete bindings
We warn the users of obsolete bindings in the DT for coresight replicator
and funnel drivers. However we use pr_warn_once() which doesn't give a clue
about which device it is bound to. Let us use dev_warn_once() to give the
context.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-8-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:16 +02:00
Suzuki K Poulose
8a4bc4f195 coresight: tmc-etr: Check if non-secure access is enabled
CoreSight TMC-ETR must have the non-secure invasive debug access
enabled for use by self-hosted tracing. Without it, there is no
point in enabling the ETR. So, let us check it in the TMC_AUTHSTATUS
register and fail the probe if it is disabled.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-7-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:16 +02:00
Suzuki K Poulose
f52ff9b7d6 coresight: tmc-etr: Handle memory errors
We have so far ignored the memory errors, assuming that we have perfect
hardware and driver. Let us handle the memory errors reported by the
TMC ETR in status and truncate the buffer.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
[Removed ASCII smiley face from changelog]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-6-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:15 +02:00
Suzuki K Poulose
5774a34fc8 coresight: etr_buf: Consolidate refcount initialization
We now use refcounts for the etr_buf users. Let us initialize it
while we allocate it.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-5-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:15 +02:00
Sai Prakash Ranjan
df4473fadc coresight: cpu-debug: Add support for Qualcomm Kryo
Add support for coresight CPU debug module on Qualcomm
Kryo CPUs. This patch adds the UCI entries for Kryo CPUs
found on MSM8996 which shares the same PIDs as ETMs.

Without this, below error is observed on MSM8996:

[    5.429867] OF: graph: no port node found in /soc/debug@3810000
[    5.429938] coresight-etm4x: probe of 3810000.debug failed with error -22
[    5.435415] coresight-cpu-debug 3810000.debug: Coresight debug-CPU0 initialized
[    5.446474] OF: graph: no port node found in /soc/debug@3910000
[    5.448927] coresight-etm4x: probe of 3910000.debug failed with error -22
[    5.454681] coresight-cpu-debug 3910000.debug: Coresight debug-CPU1 initialized
[    5.487765] OF: graph: no port node found in /soc/debug@3a10000
[    5.488007] coresight-etm4x: probe of 3a10000.debug failed with error -22
[    5.493024] coresight-cpu-debug 3a10000.debug: Coresight debug-CPU2 initialized
[    5.501802] OF: graph: no port node found in /soc/debug@3b10000
[    5.512901] coresight-etm4x: probe of 3b10000.debug failed with error -22
[    5.513192] coresight-cpu-debug 3b10000.debug: Coresight debug-CPU3 initialized

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-4-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-03 22:01:15 +02:00
Sai Prakash Ranjan
17b4add0d4 coresight: etm4x: Add ETM PIDs for SDM845 and MSM8996
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>
2019-09-03 22:01:15 +02:00
Markus Elfring
3bf8c48ca7 coresight: etm4x: Two function calls less
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>
2019-09-03 22:01:15 +02:00
Greg Kroah-Hartman
526af04054 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>
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Merge tag 'fpga-cvp-for-5.4' of 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
2019-09-03 21:57:04 +02:00
Greg Kroah-Hartman
18ec939292 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.
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Merge tag 'thunderbolt-for-v5.4' of 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()
2019-09-03 21:56:00 +02:00
Maor Gottlieb
e890acd5ff net/mlx5: Add devlink flow_steering_mode parameter
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>
2019-09-03 12:54:24 -07:00
Maor Gottlieb
8463daf17e net/mlx5: Add support to use SMFS in switchdev mode
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>
2019-09-03 12:54:24 -07:00
Maor Gottlieb
38b9d1c62a net/mlx5: Add API to set the namespace steering mode
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>
2019-09-03 12:54:24 -07:00
Maor Gottlieb
6a48faeeca net/mlx5: Add direct rule fs_cmd implementation
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>
2019-09-03 12:54:23 -07:00
Alex Vesker
fb86f1210a net/mlx5: DR, Add CONFIG_MLX5_SW_STEERING for software steering support
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>
2019-09-03 12:54:23 -07:00
Alex Vesker
70605ea545 net/mlx5: DR, Expose APIs for direct rule managing
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>
2019-09-03 12:54:23 -07:00
Alex Vesker
c47ff7baff net/mlx5: DR, Add required FW steering functionality
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>
2019-09-03 12:54:22 -07:00
Alex Vesker
41d0707415 net/mlx5: DR, Expose steering rule functionality
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>
2019-09-03 12:54:22 -07:00
Alex Vesker
9db810ed2d net/mlx5: DR, Expose steering action functionality
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>
2019-09-03 12:54:22 -07:00
Alex Vesker
852f660bd7 net/mlx5: DR, Expose steering matcher functionality
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>
2019-09-03 12:54:21 -07:00
Alex Vesker
7838e17253 net/mlx5: DR, Expose steering table functionality
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>
2019-09-03 12:54:21 -07:00
Alex Vesker
4ec9e7b026 net/mlx5: DR, Expose steering domain functionality
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>
2019-09-03 12:54:21 -07:00
Alex Vesker
26d688e33f net/mlx5: DR, Add Steering entry (STE) utilities
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>
2019-09-03 12:54:21 -07:00
Alex Vesker
297cccebdc net/mlx5: DR, Expose an internal API to issue RDMA operations
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>
2019-09-03 12:54:20 -07:00
Alex Vesker
29cf8febd1 net/mlx5: DR, ICM pool memory allocator
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>
2019-09-03 12:54:20 -07:00
Alex Vesker
1d9186476e net/mlx5: DR, Add direct rule command utilities
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>
2019-09-03 12:54:20 -07:00
Alex Vesker
14c32fd17c net/mlx5: DR, Add the internal direct rule types definitions
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>
2019-09-03 12:54:19 -07:00
Maor Gottlieb
2b688ea5ef net/mlx5: Add flow steering actions to fs_cmd shim layer
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>
2019-09-03 12:54:19 -07:00
Greg Kroah-Hartman
e6508c7efa 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>
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Merge tag 'phy-for-5.4' of 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
  ...
2019-09-03 21:49:11 +02:00
Greg Kroah-Hartman
4a79ce748f 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>
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Merge tag 'icc-5.4-rc1' of https://git.linaro.org/people/georgi.djakov/linux 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
2019-09-03 21:47:37 +02:00
Wolfram Sang
cf48d17623 hwmon: (w83793d) convert to use devm_i2c_new_dummy_device
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>
2019-09-03 12:47:17 -07:00
Wolfram Sang
f64211151d hwmon: (w83792d) convert to use devm_i2c_new_dummy_device
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>
2019-09-03 12:47:17 -07:00
Wolfram Sang
358d207110 hwmon: (w83791d) convert to use devm_i2c_new_dummy_device
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>
2019-09-03 12:47:17 -07:00
kbuild test robot
09fe787051 hwmon: (as370-hwmon) fix devm_platform_ioremap_resource.cocci warnings
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>
2019-09-03 12:47:17 -07:00