linux-kernel - RE: [PATCH] [media] at91: add Atmel Image Sensor Interface (ISI)support

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Message-ID: <4C79549CB6F772498162A641D92D532801CE4A21@penmb01.corp.atmel.com>
Date:	Fri, 27 May 2011 20:06:26 +0800
From:	"Wu, Josh" <Josh.wu@...el.com>
To:	"Guennadi Liakhovetski" <g.liakhovetski@....de>
Cc:	"Russell King - ARM Linux" <linux@....linux.org.uk>,
	<mchehab@...hat.com>, <linux-media@...r.kernel.org>,
	"Haring, Lars" <Lars.Haring@...el.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH] [media] at91: add Atmel Image Sensor Interface (ISI)support

Hi, Guennadi

Sorry to answer the question so later, 

From: Guennadi Liakhovetski Sent: Thursday, May 12, 2011 5:32 PM
> On Thu, 12 May 2011, Wu, Josh wrote:

>> Hi, Russell
>> 
>> From: Russell King - ARM Linux [mailto:linux@....linux.org.uk] Sent: Thursday, May 12, 2011 3:47 PM
>> > On Thu, May 12, 2011 at 03:42:18PM +0800, Josh Wu wrote:
>> >> +err_alloc_isi:
>> >> +	clk_disable(pclk);
>> > clk_put() ?
>> Ok, will be fixed in V2 patch. Thanks.

> You might wait with v2 until I find time to review your patch. Will take a 
> couple of days, I think. A general question, though: how compatible is 
> this driver with the AVR32?
Now from the information I got from AVR team, The AVR32 is not compatible with  ISI driver patch v2. Since AVR32 use the previous version of ISI IP core. (AT91SAM9M10 using ISI_V2 IP, which has different hardware registers from V1 IP core, such like dma control, etc)
But I think in future we will add ISI V1 IP support since AT91SAM9263 also using ISI V1 IP core.

Best Regards,
Josh Wu
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