linux-kernel - Re: [PATCH 1/3 v4] drivers/bus: Added Freescale Management Complex APIs

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Date:	Wed, 26 Nov 2014 11:15:58 +0100
From:	Alexander Graf <agraf@...e.de>
To:	"J. German Rivera" <German.Rivera@...escale.com>,
	gregkh@...uxfoundation.org, arnd@...db.de,
	linux-kernel@...r.kernel.org
CC:	stuart.yoder@...escale.com, Kim.Phillips@...escale.com,
	scottwood@...escale.com, bhamciu1@...escale.com,
	R89243@...escale.com, Geoff.Thorpe@...escale.com,
	bhupesh.sharma@...escale.com, nir.erez@...escale.com,
	richard.schmitt@...escale.com
Subject: Re: [PATCH 1/3 v4] drivers/bus: Added Freescale Management Complex
 APIs



On 13.11.14 18:54, J. German Rivera wrote:
> APIs to access the Management Complex (MC) hardware
> module of Freescale LS2 SoCs. This patch includes
> APIs to check the MC firmware version and to manipulate
> DPRC objects in the MC.
> 
> Signed-off-by: J. German Rivera <German.Rivera@...escale.com>
> Signed-off-by: Stuart Yoder <stuart.yoder@...escale.com>

[...]

> diff --git a/drivers/bus/fsl-mc/dprc.c b/drivers/bus/fsl-mc/dprc.c
> new file mode 100644
> index 0000000..40ae552
> --- /dev/null
> +++ b/drivers/bus/fsl-mc/dprc.c
> @@ -0,0 +1,933 @@
> +/* Copyright 2013-2014 Freescale Semiconductor Inc.
> +*
> +* Redistribution and use in source and binary forms, with or without
> +* modification, are permitted provided that the following conditions are met:
> +* * Redistributions of source code must retain the above copyright
> +* notice, this list of conditions and the following disclaimer.
> +* * Redistributions in binary form must reproduce the above copyright
> +* notice, this list of conditions and the following disclaimer in the
> +* documentation and/or other materials provided with the distribution.
> +* * Neither the name of the above-listed copyright holders nor the
> +* names of any contributors may be used to endorse or promote products
> +* derived from this software without specific prior written permission.
> +*
> +*
> +* ALTERNATIVELY, this software may be distributed under the terms of the
> +* GNU General Public License ("GPL") as published by the Free Software
> +* Foundation, either version 2 of that License or (at your option) any
> +* later version.
> +*
> +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> +* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
> +* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> +* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> +* POSSIBILITY OF SUCH DAMAGE.
> +*/
> +#include <linux/fsl/mc-sys.h>
> +#include <linux/fsl/mc-cmd.h>
> +#include <linux/fsl/dprc.h>
> +#include "dprc-cmd.h"
> +
> +int dprc_get_container_id(struct fsl_mc_io *mc_io, int *container_id)

This one is definitely a misnomer. It's a command that operates on the
MC object, not a DPRC object. Also it doesn't fetch a random
"container_id", it fetches the root container id.

Please move it and its definition to the files that operate on the MC
management interface.


Alex
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