linux-kernel - Re: [PATCH V4 4/6] slim: qcom: Add Qualcomm Slimbus controller driver

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Message-ID: <20160208202618.GA32330@rob-hp-laptop>
Date:	Mon, 8 Feb 2016 14:26:18 -0600
From:	Rob Herring <robh@...nel.org>
To:	Sagar Dharia <sdharia@...eaurora.org>
Cc:	gregkh@...uxfoundation.org, bp@...e.de, poeschel@...onage.de,
	treding@...dia.com, broonie@...nel.org, gong.chen@...ux.intel.com,
	andreas.noever@...il.com, alan@...ux.intel.com,
	mathieu.poirier@...aro.org, daniel@...ll.ch, oded.gabbay@....com,
	jkosina@...e.cz, sharon.dvir1@...l.huji.ac.il, joe@...ches.com,
	davem@...emloft.net, james.hogan@...tec.com,
	michael.opdenacker@...e-electrons.com, daniel.thompson@...aro.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	kheitke@...ience.com, mlocke@...eaurora.org, agross@...eaurora.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V4 4/6] slim: qcom: Add Qualcomm Slimbus controller driver

On Sat, Feb 06, 2016 at 11:44:23AM -0700, Sagar Dharia wrote:
> This controller driver programs manager, interface, and framer
> devices for Qualcomm's slimbus HW block.
> Manager component currently implements logical address setting,
> and messaging interface.
> Interface device reports bus synchronization information, and framer
> device clocks the bus from the time it's woken up, until clock-pause
> is executed by the manager device.
> 
> Signed-off-by: Sagar Dharia <sdharia@...eaurora.org>
> ---
>  .../devicetree/bindings/slimbus/slim-qcom-ctrl.txt |  43 ++
>  drivers/slimbus/Kconfig                            |  10 +
>  drivers/slimbus/Makefile                           |   1 +
>  drivers/slimbus/slim-qcom-ctrl.c                   | 556 +++++++++++++++++++++
>  drivers/slimbus/slim-qcom.h                        |  63 +++
>  5 files changed, 673 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt
>  create mode 100644 drivers/slimbus/slim-qcom-ctrl.c
>  create mode 100644 drivers/slimbus/slim-qcom.h
> 
> diff --git a/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt
> new file mode 100644
> index 0000000..7b6c366
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt
> @@ -0,0 +1,43 @@
> +Qualcomm SLIMBUS controller
> +"qcom,slim-msm": This controller is used if applications processor

This should be more specific and include the soc name(s).

> +	driver is controlling slimbus master component. This driver is
> +	responsible for communicating with slave HW directly using
> +	messaging interface, and doing data channel management.
> +