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Date: Wed, 6 Dec 2017 21:44:40 +0100
From: Philippe Ombredanne <pombredanne@...b.com>
To: Vinod Koul <vinod.koul@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
LKML <linux-kernel@...r.kernel.org>,
ALSA <alsa-devel@...a-project.org>, Mark <broonie@...nel.org>,
Takashi <tiwai@...e.de>,
Pierre <pierre-louis.bossart@...ux.intel.com>,
patches.audio@...el.com, alan@...ux.intel.com,
Charles Keepax <ckeepax@...nsource.cirrus.com>,
Sagar Dharia <sdharia@...eaurora.org>,
Srini Kandagatla <srinivas.kandagatla@...aro.org>,
plai@...eaurora.org, Sudheer Papothi <spapothi@...eaurora.org>
Subject: Re: [PATCH v5 00/15] soundwire: Add a new SoundWire subsystem
On Wed, Dec 6, 2017 at 4:46 PM, Vinod Koul <vinod.koul@...el.com> wrote:
> This patch series adds a new SoundWire subsystem which implements a
> new MIPI bus protocol 'SoundWire'.
>
> The SoundWire protocol is a robust, scalable, low complexity, low
> power, low latency, two-pin (clock and data) multi-drop bus that
> allows for the transfer of multiple audio streams and embedded
> control/commands. SoundWire provides synchronization capabilities
> and supports both PCM and PDM, multichannel data, isochronous and
> asynchronous modes.
>
> This series adds SoundWire Bus, IO transfers, DisCo (Discovery and
> Configuration) sysfs interface, regmap and Documentation summary
>
> This patch series is also available on
> git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire.git topic/patch_v5
>
> v4: https://lkml.org/lkml/2017/12/1/205
> v3: https://lkml.org/lkml/2017/11/30/160
> v2: https://lkml.org/lkml/2017/11/10/216
> v1: https://lkml.org/lkml/2017/10/18/1030
> RFC: https://lkml.org/lkml/2016/10/21/395
>
> Changes in v5:
> - Address comments by Pierre
> - add reference to mid.mipi.org in documentation
> - add group and master device number and don't use those for enumeration
> - fix unused calls in disco code and also remove superfluous initialization
> - remove sdw_transfer apis slave arg, make enum values integer and not
> bitmaps
> - clarify the sdw_program_device_num loop and fix interrupt handling
>
> Changes in v4:
> - Remove text licenses and add SPDX tags only with C99 style comments
> - make bus_type code as GPL v2.0 only
>
> Changes in v3:
> - Update the kernel-doc styles and fix included headers for files
> - handle dev_pm_domain_attach() for defered probe
> - remove OF placeholders
> - change regmap license to GPLv2 only
>
> Changes in v2:
> - move documentation into driver-api and do rst conversion
> - fix documentation comments
> - add SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) to all
> source files
> - rework the transfer logic and paging logic as commented on v1
> - remove dummy sysfs fns
> - registration checks and fixes
> - remove slave check for regamp as that turned superfluous
> - remove depends SoundWire symbol
> - make modalias api arg const
> - use bitmap for tracking assigned
> - add counter for report present tracking
> todo: add the dt-bindings
>
> Sanyog Kale (4):
> Documentation: Add SoundWire summary
> soundwire: Add SoundWire MIPI defined registers
> soundwire: Add Slave status handling helpers
> soundwire: cdns: Add sdw_master_ops and IO transfer support
>
> Vinod Koul (11):
> soundwire: Add SoundWire bus type
> soundwire: Add Master registration
> soundwire: Add MIPI DisCo property helpers
> soundwire: Add IO transfer
> regmap: Add SoundWire bus support
> soundwire: Add slave status handling
> soundwire: Add sysfs for SoundWire DisCo properties
> soundwire: cdns: Add cadence library
> soundwire: intel: Add Intel Master driver
> soundwire: intel: Add Intel init module
> MAINTAINERS: Add SoundWire entry
>
> Documentation/driver-api/index.rst | 1 +
> Documentation/driver-api/soundwire/index.rst | 15 +
> Documentation/driver-api/soundwire/summary.rst | 207 ++++++
> MAINTAINERS | 10 +
> drivers/Kconfig | 2 +
> drivers/Makefile | 1 +
> drivers/base/regmap/Kconfig | 4 +
> drivers/base/regmap/Makefile | 1 +
> drivers/base/regmap/regmap-sdw.c | 92 +++
> drivers/soundwire/Kconfig | 37 +
> drivers/soundwire/Makefile | 18 +
> drivers/soundwire/bus.c | 967 +++++++++++++++++++++++++
> drivers/soundwire/bus.h | 73 ++
> drivers/soundwire/bus_type.c | 193 +++++
> drivers/soundwire/cadence_master.c | 749 +++++++++++++++++++
> drivers/soundwire/cadence_master.h | 48 ++
> drivers/soundwire/intel.c | 347 +++++++++
> drivers/soundwire/intel.h | 23 +
> drivers/soundwire/intel_init.c | 198 +++++
> drivers/soundwire/mipi_disco.c | 370 ++++++++++
> drivers/soundwire/slave.c | 115 +++
> drivers/soundwire/sysfs.c | 343 +++++++++
> include/linux/mod_devicetable.h | 6 +
> include/linux/regmap.h | 37 +
> include/linux/soundwire/sdw.h | 495 +++++++++++++
> include/linux/soundwire/sdw_intel.h | 24 +
> include/linux/soundwire/sdw_registers.h | 194 +++++
> include/linux/soundwire/sdw_type.h | 19 +
> scripts/mod/devicetable-offsets.c | 4 +
> scripts/mod/file2alias.c | 15 +
> 30 files changed, 4608 insertions(+)
Vinod:
For the whole patch series usage of the new SPDX-License-identifiers:
Thank you very much!
This makes the code so much more pleasant to read.
I am not qualified to review the code, but feel free to add my ack or
review for the license id parts.
Reviewed-by: Philippe Ombredanne <pombredanne@...b.com>
--
Cordially
Philippe Ombredanne
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