linux-kernel - Re: [PATCH v5 00/15] soundwire: Add a new SoundWire subsystem

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Date:   Wed, 13 Dec 2017 15:27:46 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     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>,
        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 13, 2017 at 10:18:22AM +0100, Greg Kroah-Hartman wrote:
> On Wed, Dec 06, 2017 at 09:16:56PM +0530, Vinod Koul 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
> 
> I don't think patch 5 is right, how you are using kobjects.
> 
> Also, you have to have some documentation on your userspace API here for
> it to be reviewable.  To hide sysfs trees and files in code comments is
> not good.

Ah I meant to do that but never got to it, sorry for that. I think I can
drop that patch for now, and we can merge rest of the stuff.

I will come back with sysfs files along with ABI documentation and fix it
per the discussion.

Thanks for the review and Acks

-- 
~Vinod