Commit 0ad5b053 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'char-misc-5.7-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/misc/other driver patches for 5.7-rc1.

  Lots of things in here, and it's later than expected due to some
  reverts to resolve some reported issues. All is now clean with no
  reported problems in linux-next.

  Included in here is:
   - interconnect updates
   - mei driver updates
   - uio updates
   - nvmem driver updates
   - soundwire updates
   - binderfs updates
   - coresight updates
   - habanalabs updates
   - mhi new bus type and core
   - extcon driver updates
   - some Kconfig cleanups
   - other small misc driver cleanups and updates

  As mentioned, all have been in linux-next for a while, and with the
  last two reverts, all is calm and good"

* tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (174 commits)
  Revert "driver core: platform: Initialize dma_parms for platform devices"
  Revert "amba: Initialize dma_parms for amba devices"
  amba: Initialize dma_parms for amba devices
  driver core: platform: Initialize dma_parms for platform devices
  bus: mhi: core: Drop the references to mhi_dev in mhi_destroy_device()
  bus: mhi: core: Initialize bhie field in mhi_cntrl for RDDM capture
  bus: mhi: core: Add support for reading MHI info from device
  misc: rtsx: set correct pcr_ops for rts522A
  speakup: misc: Use dynamic minor numbers for speakup devices
  mei: me: add cedar fork device ids
  coresight: do not use the BIT() macro in the UAPI header
  Documentation: provide IBM contacts for embargoed hardware
  nvmem: core: remove nvmem_sysfs_get_groups()
  nvmem: core: use is_bin_visible for permissions
  nvmem: core: use device_register and device_unregister
  nvmem: core: add root_only member to nvmem device struct
  extcon: axp288: Add wakeup support
  extcon: Mark extcon_get_edev_name() function as exported symbol
  extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER
  dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format
  ...
parents ff2ae607 885a6471

Documentation/ABI/testing/debugfs-driver-habanalabs

+14 −0
Original line number Diff line number Diff line
@@ -43,6 +43,20 @@ Description: Allows the root user to read or write directly through the 
                If the IOMMU is disabled, it also allows the root user to read

                or write from the host a device VA of a host mapped memory



What:           /sys/kernel/debug/habanalabs/hl<n>/data64

Date:           Jan 2020

KernelVersion:  5.6

Contact:        oded.gabbay@gmail.com

Description:    Allows the root user to read or write 64 bit data directly

                through the device's PCI bar. Writing to this file generates a

                write transaction while reading from the file generates a read

                transaction. This custom interface is needed (instead of using

                the generic Linux user-space PCI mapping) because the DDR bar

                is very small compared to the DDR memory and only the driver can

                move the bar before and after the transaction.

                If the IOMMU is disabled, it also allows the root user to read

                or write from the host a device VA of a host mapped memory



What:           /sys/kernel/debug/habanalabs/hl<n>/device

Date:           Jan 2019

KernelVersion:  5.1

Documentation/ABI/testing/sysfs-bus-coresight-devices-cti

0 → 100644
+241 −0
Original line number Diff line number Diff line 
What:		/sys/bus/coresight/devices/<cti-name>/enable

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Enable/Disable the CTI hardware.



What:		/sys/bus/coresight/devices/<cti-name>/powered

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Indicate if the CTI hardware is powered.



What:		/sys/bus/coresight/devices/<cti-name>/ctmid

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Display the associated CTM ID



What:		/sys/bus/coresight/devices/<cti-name>/nr_trigger_cons

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Number of devices connected to triggers on this CTI



What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/name

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Name of connected device <N>



What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/in_signals

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Input trigger signals from connected device <N>



What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/in_types

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Functional types for the input trigger signals

		from connected device <N>



What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/out_signals

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Output trigger signals to connected device <N>



What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/out_types

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Functional types for the output trigger signals

		to connected device <N>



What:		/sys/bus/coresight/devices/<cti-name>/regs/inout_sel

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Select the index for inen and outen registers.



What:		/sys/bus/coresight/devices/<cti-name>/regs/inen

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Read or write the CTIINEN register selected by inout_sel.



What:		/sys/bus/coresight/devices/<cti-name>/regs/outen

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Read or write the CTIOUTEN register selected by inout_sel.



What:		/sys/bus/coresight/devices/<cti-name>/regs/gate

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Read or write CTIGATE register.



What:		/sys/bus/coresight/devices/<cti-name>/regs/asicctl

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Read or write ASICCTL register.



What:		/sys/bus/coresight/devices/<cti-name>/regs/intack

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Write the INTACK register.



What:		/sys/bus/coresight/devices/<cti-name>/regs/appset

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Set CTIAPPSET register to activate channel. Read back to

		determine current value of register.



What:		/sys/bus/coresight/devices/<cti-name>/regs/appclear

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Write APPCLEAR register to deactivate channel.



What:		/sys/bus/coresight/devices/<cti-name>/regs/apppulse

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Write APPPULSE to pulse a channel active for one clock

		cycle.



What:		/sys/bus/coresight/devices/<cti-name>/regs/chinstatus

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Read current status of channel inputs.



What:		/sys/bus/coresight/devices/<cti-name>/regs/choutstatus

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) read current status of channel outputs.



What:		/sys/bus/coresight/devices/<cti-name>/regs/triginstatus

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) read current status of input trigger signals



What:		/sys/bus/coresight/devices/<cti-name>/regs/trigoutstatus

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) read current status of output trigger signals.



What:		/sys/bus/coresight/devices/<cti-name>/channels/trigin_attach

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Attach a CTI input trigger to a CTM channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/trigin_detach

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Detach a CTI input trigger from a CTM channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/trigout_attach

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Attach a CTI output trigger to a CTM channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/trigout_detach

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Detach a CTI output trigger from a CTM channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_gate_enable

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Enable CTIGATE for single channel (W) or list enabled

		channels through the gate (R).



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_gate_disable

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Disable CTIGATE for single channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_set

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Activate a single channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_clear

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Deactivate a single channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_pulse

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Pulse a single channel - activate for a single clock cycle.



What:		/sys/bus/coresight/devices/<cti-name>/channels/trigout_filtered

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) List of output triggers filtered across all connections.



What:		/sys/bus/coresight/devices/<cti-name>/channels/trig_filter_enable

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Enable or disable trigger output signal filtering.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_inuse

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) show channels with at least one attached trigger signal.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_free

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) show channels with no attached trigger signals.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_sel

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(RW) Write channel number to select a channel to view, read to

		see selected channel number.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_in

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Read to see input triggers connected to selected view

		channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_out

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(R) Read to see output triggers connected to selected view

		channel.



What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_reset

Date:		March 2020

KernelVersion	5.7

Contact:	Mike Leach or Mathieu Poirier

Description:	(W) Clear all channel / trigger programming.

Documentation/ABI/testing/sysfs-bus-intel_th-devices-msc

+8 −0
Original line number Diff line number Diff line
@@ -40,3 +40,11 @@ Description: (RW) Trigger window switch for the MSC's buffer, in 
		triggering a window switch for the buffer. Returns an error in any

		other operating mode or attempts to write something other than "1".



What:		/sys/bus/intel_th/devices/<intel_th_id>-msc<msc-id>/stop_on_full

Date:		March 2020

KernelVersion:	5.7

Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>

Description:	(RW) Configure whether trace stops when the last available window

		becomes full (1/y/Y) or wraps around and continues until the next

		window becomes available again (0/n/N).

Documentation/ABI/testing/sysfs-driver-jz4780-efuse

0 → 100644
+16 −0
Original line number Diff line number Diff line 
What:		/sys/devices/*/<our-device>/nvmem

Date:		December 2017

Contact:	PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>

Description:	read-only access to the efuse on the Ingenic JZ4780 SoC

		The SoC has a one time programmable 8K efuse that is

		split into segments. The driver supports read only.

		The segments are

		0x000   64 bit Random Number

		0x008  128 bit Ingenic Chip ID

		0x018  128 bit Customer ID

		0x028 3520 bit Reserved

		0x1E0    8 bit Protect Segment

		0x1E1 2296 bit HDMI Key

		0x300 2048 bit Security boot key

Users:		any user space application which wants to read the Chip

		and Customer ID

Documentation/admin-guide/dynamic-debug-howto.rst

+3 −0
Original line number Diff line number Diff line
@@ -54,6 +54,9 @@ If you make a mistake with the syntax, the write will fail thus:: 
				<debugfs>/dynamic_debug/control

  -bash: echo: write error: Invalid argument



Note, for systems without 'debugfs' enabled, the control file can be

found in ``/proc/dynamic_debug/control``.



Viewing Dynamic Debug Behaviour

===============================

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