linux-kernel - Re: [RFC][PATCH] bcmai: introduce AI driver

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Message-ID: <BANLkTi=x89+52cMeutOB7J--QQta+mX_wg@mail.gmail.com>
Date:	Wed, 6 Apr 2011 22:42:47 +0200
From:	Rafał Miłecki <zajec5@...il.com>
To:	Arend van Spriel <arend@...adcom.com>
Cc:	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"John W. Linville" <linville@...driver.com>,
	Michael Büsch <mb@...sch.de>,
	Larry Finger <Larry.Finger@...inger.net>,
	George Kashperko <george@...u.edu.ua>,
	"b43-dev@...ts.infradead.org" <b43-dev@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <rmk@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	linuxdriverproject <devel@...uxdriverproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH] bcmai: introduce AI driver

2011/4/6 Rafał Miłecki <zajec5@...il.com>:
> If we want to have two drivers working on two (different) cores
> simultaneously, we will have to add trivial mutex to group core
> switching with core operation (read/write).

With a little of work we could avoid switching and mutexes on no-host
boards. MMIO is not limited to one core at once in such a case.

-- 
Rafał
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