linux-toradex.git/drivers/misc/atmel-ssc.c, branch v5.10-rc3

misc: atmel-ssc: lock with mutex instead of spinlock

2020-06-29T17:10:51+00:00

Uninterruptible context is not needed in the driver and causes lockdep
warning because of mutex taken in of_alias_get_id(). Convert the lock to
mutex to avoid the issue.

Cc: stable@vger.kernel.org
Fixes: 099343c64e16 ("ARM: at91: atmel-ssc: add device tree support")
Signed-off-by: Michał Mirosław 
Link: https://lore.kernel.org/r/50f0d7fa107f318296afb49477c3571e4d6978c5.1592998403.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Greg Kroah-Hartman

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19T15:09:55+00:00

Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner 
Reviewed-by: Enrico Weigelt 
Reviewed-by: Kate Stewart 
Reviewed-by: Allison Randal 
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman

misc: atmel-ssc: Fix section annotation on atmel_ssc_get_driver_data

2018-11-11T17:13:19+00:00

After building the kernel with Clang, the following section mismatch
warning appears:

WARNING: vmlinux.o(.text+0x3bf19a6): Section mismatch in reference from
the function ssc_probe() to the function
.init.text:atmel_ssc_get_driver_data()
The function ssc_probe() references
the function __init atmel_ssc_get_driver_data().
This is often because ssc_probe lacks a __init
annotation or the annotation of atmel_ssc_get_driver_data is wrong.

Remove __init from atmel_ssc_get_driver_data to get rid of the mismatch.

Signed-off-by: Nathan Chancellor 
Cc: stable 
Signed-off-by: Greg Kroah-Hartman

misc: atmel-ssc: register as sound DAI if #sound-dai-cells is present

2016-12-15T12:13:31+00:00

The SSC is currently not usable with the ASoC simple-audio-card, as
every SSC audio user has to build a platform driver that may do as
little as calling atmel_ssc_set_audio/atmel_ssc_put_audio (which
allocates the SSC and registers a DAI with the ASoC subsystem).

So, have that happen automatically, if the #sound-dai-cells property
is present in devicetree, which it has to be anyway for simple audio
card to work.

Signed-off-by: Peter Rosin 
Acked-by: Rob Herring 
Acked-by: Nicolas Ferre 
Signed-off-by: Mark Brown

ASoC: atmel_ssc_dai: distinguish the different SSC

2016-03-02T14:43:11+00:00

Cpu_dai id always equals 0, can't distinguish the
different SSC. Use platform_device id to record
and distinguish the different SSC.

Signed-off-by: Songjun Wu 
Signed-off-by: Nicolas Ferre 
Signed-off-by: Mark Brown

Merge tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2014-12-15T00:43:47+00:00

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver update for 3.19-rc1

  Lots of little things all over the place in different drivers, and a
  new subsystem, "coresight" has been added.  Full details are in the
  shortlog"

* tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (73 commits)
  parport: parport_pc, do not remove parent devices early
  spmi: Remove shutdown/suspend/resume kernel-doc
  carma-fpga-program: drop videobuf dependency
  carma-fpga: drop videobuf dependency
  carma-fpga-program.c: fix compile errors
  i8k: Fix temperature bug handling in i8k_get_temp()
  cxl: Name interrupts in /proc/interrupt
  CXL: Return error to PSL if IRQ demultiplexing fails & print clearer warning
  coresight-replicator: remove .owner field for driver
  coresight: fixed comments in coresight.h
  coresight: fix typo in comment in coresight-priv.h
  coresight: bindings for coresight drivers
  coresight: Adding ABI documentation
  w1: support auto-load of w1_bq27000 module.
  w1: avoid potential u16 overflow
  cn: verify msg->len before making callback
  mei: export fw status registers through sysfs
  mei: read and print all six FW status registers
  mei: txe: add cherrytrail device id
  mei: kill cached host and me csr values
  ...

misc: atmel-ssc: prepare clock only when request

2014-11-07T17:52:42+00:00

Prepare SSC clock only when request SSC channel, the clock will be
enabled when initialize the SSC.

Signed-off-by: Bo Shen 
Acked-by: Nicolas Ferre 
Signed-off-by: Greg Kroah-Hartman

misc: drop owner assignment from platform_drivers

2014-10-20T14:20:54+00:00

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang

ASoC: atmel-ssc: distinguish whether SSC supports fslen ext

2014-06-21T10:37:32+00:00

Add compatible string to distinguish whether SSC supports
frame sync length extension.

Signed-off-by: Bo Shen 
Acked-by: Nicolas Ferre 
Signed-off-by: Mark Brown

ASoC: atmel_ssc_dai: make option to choose clock

2014-02-12T17:21:22+00:00

When SSC works in slave mode, according to the hardware design, the
clock can get from TK pin, also can get from RK pin. So, add one
parameter to choose where the clock from.

Signed-off-by: Bo Shen 
Acked-by: Nicolas Ferre 
Signed-off-by: Mark Brown