linux-kernel - [PATCH 0/3] soundwire: debugfs support for 5.4

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Message-Id: <20190809224341.15726-1-pierre-louis.bossart@linux.intel.com>
Date:   Fri,  9 Aug 2019 17:43:38 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org,
        vkoul@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, slawomir.blauciak@...el.com,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Subject: [PATCH 0/3] soundwire: debugfs support for 5.4

This patchset enables debugfs support and corrects all the feedback
provided on an earlier RFC ('soundwire: updates for 5.4')

There is one remaining hard-coded value in intel.c that will need to
be fixed in a follow-up patchset not specific to debugfs: we need to
remove hard-coded Intel-specific configurations from cadence_master.c
(PDI offsets, etc).

Changes since RFC (Feedback from GKH, Vinod, Guennadi, Cezary, Sanyog):
removed error checks
used DEFINE_SHOW_ATTRIBUTE and seq_file
fixed copyright dates
fixed SPDX license info to use GPL2.0 only
fixed Makefile to include debugfs only if CONFIG_DEBUG_FS is selected
used static inlines for fallback compilation
removed intermediate variables
removed hard-coded constants in loops (used registers offsets and
hardware capabilities)
squashed patch 3

Pierre-Louis Bossart (3):
  soundwire: add debugfs support
  soundwire: cadence_master: add debugfs register dump
  soundwire: intel: add debugfs register dump

 drivers/soundwire/Makefile         |   5 +
 drivers/soundwire/bus.c            |   6 ++
 drivers/soundwire/bus.h            |  24 +++++
 drivers/soundwire/bus_type.c       |   3 +
 drivers/soundwire/cadence_master.c | 104 ++++++++++++++++++++
 drivers/soundwire/cadence_master.h |   2 +
 drivers/soundwire/debugfs.c        | 151 +++++++++++++++++++++++++++++
 drivers/soundwire/intel.c          | 114 ++++++++++++++++++++++
 drivers/soundwire/slave.c          |   1 +
 include/linux/soundwire/sdw.h      |   4 +
 10 files changed, 414 insertions(+)
 create mode 100644 drivers/soundwire/debugfs.c

-- 
2.20.1