linux-kernel - Re: [PATCHv7 2/5] mailbox: Introduce framework for mailbox

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Message-ID: <CAJe_ZhcuOa39Db_tE4JupY74aze02=v1FWzduFD0sO15nMrKvw@mail.gmail.com>
Date:	Wed, 18 Jun 2014 14:03:08 +0530
From:	Jassi Brar <jaswinder.singh@...aro.org>
To:	Kevin Hilman <khilman@...aro.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Devicetree List <devicetree@...r.kernel.org>,
	Matt Porter <mporter@...aro.org>,
	Patch Tracking <patches@...aro.org>,
	Bjorn Andersson <bjorn@...o.se>,
	Ashwin Chaugule <ashwin.chaugule@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Anna, Suman" <s-anna@...com>,
	Loic Pallardy <loic.pallardy@...com>,
	LeyFoon Tan <lftan.linux@...il.com>,
	Craig McGeachie <slapdau@...oo.com.au>,
	Courtney Cavin <courtney.cavin@...ymobile.com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	ijc+devicetree@...lion.org.uk, Arnd Bergmann <arnd@...db.de>,
	Josh Cartwright <joshc@...eaurora.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Kumar Gala <galak@...eaurora.org>,
	"ks.giri@...sung.com" <ks.giri@...sung.com>
Subject: Re: [PATCHv7 2/5] mailbox: Introduce framework for mailbox

On 18 June 2014 05:57, Kevin Hilman <khilman@...aro.org> wrote:
> Jassi Brar <jaswinder.singh@...aro.org> writes:
>
>> Introduce common framework for client/protocol drivers and
>> controller drivers of Inter-Processor-Communication (IPC).
>>
>> Client driver developers should have a look at
>>  include/linux/mailbox_client.h to understand the part of
>> the API exposed to client drivers.
>> Similarly controller driver developers should have a look
>> at include/linux/mailbox_controller.h
>>
>> Signed-off-by: Jassi Brar <jaswinder.singh@...aro.org>
>
> This series is shaping up nicely.  The one thing I think it would
> benefit from, being a new common framework is something under
> Documentation giving a brief overview, but more importantly some
> example code snippets of a mailbox client using the API, and maybe an
> example usage of the controller API as well.
>
> Not only will that guide developers who want to use/implement this API
> on their platforms, it will also aid reviewers.
>
I have been trying to get it upstream for quite some time now because
my platform depends upon it. I am planning to submit my platform
support which should have a client and controller side of the mailbox
API. Though I am told the API (until v4 at least) supported usecases
for 5 different platforms.

Thanks,
Jassi
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