linux-kernel - Re: [PATCH v10 00/13] Introduce framework for SLIMbus device driver

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Date:   Wed, 13 Dec 2017 10:25:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     srinivas.kandagatla@...aro.org
Cc:     Mark Brown <broonie@...nel.org>, alsa-devel@...a-project.org,
        sdharia@...eaurora.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jonathan Corbet <corbet@....net>, pombredanne@...b.com,
        j.neuschaefer@....net, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH v10 00/13] Introduce framework for SLIMbus device driver

On Mon, Dec 11, 2017 at 11:42:54PM +0000, srinivas.kandagatla@...aro.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> 
> SLIMbus (Serial Low Power Interchip Media Bus) is a specification
> developed by MIPI (Mobile Industry Processor Interface) alliance.
> SLIMbus is a 2-wire implementation, which is used to communicate with
> peripheral components like audio-codec.
> SLIMbus uses Time-Division-Multiplexing to accommodate multiple data
> channels, and control channel. Control channel has messages to do
> device-enumeration, messages to send/receive control-data to/from
> SLIMbus devices, messages for port/channel management, and messages to
> do bandwidth allocation.
> Framework is introduced to support  multiple instances of the bus
> (1 controller per bus), and multiple slave devices per controller.
> SPI and I2C frameworks, and comments from last time when I submitted
> the patches were referred-to while working on this framework.
> 
> These patchsets introduce device-management, OF helpers, and messaging
> APIs, controller driver for Qualcomm's SLIMbus controller, and
> clock-pause feature for entering/exiting low-power mode for SLIMbus.
> Framework patches to do channel, port and bandwidth
> management are work-in-progress and will be sent out once these
> initial patches are accepted.
> 
> These patchsets were tested on IFC6410 board with Qualcomm APQ8064
> processor using the controller driver, and a WCD9310 codec.
> 
> v9: https://lkml.org/lkml/2017/12/7/289
> 
> Changes from v9 to v10:
> * Added kernel-doc reference into slimbus driver api doc suggested by
>  Jonathan Corbet

These all look good to me.  I can take this through my tree if I get the
ack from Mark for the regmap changes.

thanks,

greg k-h