linux-kernel - Re: [PATCH v5 3/8] clk: add support for clocks provided by SCP(System Control Processor)

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Date:	Wed, 29 Jul 2015 10:37:31 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Sudeep Holla <sudeep.holla@....com>
CC:	linux-kernel@...r.kernel.org, Liviu Dudau <liviu.dudau@....com>,
	Punit Agrawal <punit.agrawal@....com>,
	"Jon Medhurst (Tixy)" <tixy@...aro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Kevin Hilman <khilman@...nel.org>,
	Mike Turquette <mturquette@...libre.com>,
	linux-clk@...r.kernel.org
Subject: Re: [PATCH v5 3/8] clk: add support for clocks provided by SCP(System
 Control Processor)

On 07/23/2015 04:10 AM, Sudeep Holla wrote:
> On some ARM based systems, a separate Cortex-M based System Control
> Processor(SCP) provides the overall power, clock, reset and system
> control. System Control and Power Interface(SCPI) Message Protocol
> is defined for the communication between the Application Cores(AP)
> and the SCP.
>
> This patch adds support for the clocks provided by SCP using SCPI
> protocol.
>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> Cc: Mike Turquette <mturquette@...libre.com>
> Cc: Stephen Boyd <sboyd@...eaurora.org>
> Cc: Liviu Dudau <Liviu.Dudau@....com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Cc: Jon Medhurst (Tixy) <tixy@...aro.org>
> Cc: linux-clk@...r.kernel.org

Looks good to me, modulo one comment.

Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>

> +
> +static const struct of_device_id scpi_clocks_ids[] = {
> +	{ .compatible = "arm,scpi-clocks", },
> +	{}
> +};

Did you want a MODULE_DEVICE_TABLE() here?

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