linux-kernel - Re: [RFC PATCH 2/2] tee: add OP-TEE driver

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Date:	Mon, 20 Apr 2015 09:05:56 +0200
From:	Javier González <javier@...igon.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Valentin Manea <valentin.manea@...wei.com>,
	devicetree@...r.kernel.org, emmanuel.michel@...com,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	jean-michel.delorme@...com, tpmdd-devel@...ts.sourceforge.net,
	Jens Wiklander <jens.wiklander@...aro.org>
Subject: Re: [RFC PATCH 2/2] tee: add OP-TEE driver

> On 19 Apr 2015, at 21:47, Arnd Bergmann <arnd@...db.de> wrote:
> 
> On Sunday 19 April 2015 13:17:20 Javier González wrote:
>> 
>> Only providing user space support would defeat one of the main purposes
>> of the driver. We could better organize the patches and divide them into user
>> space support and in-kernel support if that is what you mean. In the end
>> the interfaces are orthogonal, even though the functionality should be very
>> similar.
> 
> Splitting up the patches to separate the user interface from the in-kernel
> interface is certainly a good idea, but aside from that, I also agree with
> Greg on this point: if you want to establish an in-kernel interface, don't
> add any dead code at the beginning, but add it together with the users
> of that interface.
> 
> 	Arnd

Thanks for the feedback. We will do so.

Javier.

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