linux-kernel - Re: [PATCHv5 1/3] ARM: tegra: Add Tegra AHB driver

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Date:	Mon, 7 May 2012 08:04:28 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Hiroshi DOYU <hdoyu@...dia.com>
Cc:	swarren@...dotorg.org, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, Felipe Balbi <balbi@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Colin Cross <ccross@...roid.com>,
	Olof Johansson <olof@...om.net>,
	Russell King <linux@....linux.org.uk>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"Ohad Ben-Cohen" <ohad@...ery.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	"John W. Linville" <linville@...driver.com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv5 1/3] ARM: tegra: Add Tegra AHB driver

On Monday 07 May 2012, Hiroshi DOYU wrote:
> Tegra AHB Bus conforms to the AMBA Specification (Rev 2.0) Advanced
> High-performance Bus (AHB) architecture.
> 
> The AHB Arbiter controls AHB bus master arbitration. This effectively
> forms a second level of arbitration for access to the memory
> controller through the AHB Slave Memory device. The AHB pre-fetch
> logic can be configured to enhance performance for devices doing
> sequential access. Each AHB master is assigned to either the high or
> low priority bin. Both Tegra20/30 have this AHB bus.
> 
> Some of configuration params could be passed from DT too if needed.
> 
> Signed-off-by: Hiroshi DOYU <hdoyu@...dia.com>
> Cc: Felipe Balbi <balbi@...com>
> Cc: Arnd Bergmann <arnd@...db.de>

Acked-by: Arnd Bergmann <arnd@...db.de>

for the driver, but please fix the issue pointed out by Russell.

	Arnd

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