linux-kernel - Re: [PATCH v2 1/2] mailbox: OMAP: introduce mailbox framework

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Date:	Mon, 05 Nov 2012 20:40:18 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Omar Ramirez Luna <omar.luna@...aro.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Janusz Krzysztofik <jkrzyszt@....icnet.pl>,
	Loic PALLARDY <loic.pallardy@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Dom Cobley <popcornmix@...il.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Suman Anna <s-anna@...com>, Juan Gutierrez <jgutierrez@...com>,
	Felipe Contreras <felipe.contreras@...ia.com>,
	Tejun Heo <tj@...nel.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH v2 1/2] mailbox: OMAP: introduce mailbox framework

On 11/05/2012 07:55 PM, Omar Ramirez Luna wrote:
> Actually moving it from plat-omap, as this framework/driver code is
> supposed to be under drivers/ folder. The framework should work with
> the current supported OMAP processors (OMAP1+) that have mailbox and
> can be used as a method of interprocessor communication.
> 
> The mailbox hardware (in OMAP) uses a queued mailbox-interrupt mechanism
> that provides a communication channel between processors through a set of
> registers and their associated interrupt signals by sending and receiving
> messages.

> diff --git a/drivers/mailbox/mailbox.h b/drivers/mailbox/mailbox.h

Is this a public interface to the driver? If so, shouldn't the header be
in include/linux somewhere?

Is this a generic interface to any mailbox driver? If so, then I don't
think having "omap" in the symbol names is appropriate. If the header is
specific to the OMAP driver, I don't think using the very generic
filename "mailbox.h" is appropriate; use omap_mailbox.h instead?
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