linux-kernel - Re: [RFC PATCH 1/2] tee: generic TEE subsystem

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Message-ID: <20150418090420.GG12732@n2100.arm.linux.org.uk>
Date:	Sat, 18 Apr 2015 10:04:20 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jens Wiklander <jens.wiklander@...aro.org>,
	valentin.manea@...wei.com, devicetree@...r.kernel.org,
	javier@...igon.com, emmanuel.michel@...com,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	jean-michel.delorme@...com, tpmdd-devel@...ts.sourceforge.net,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH 1/2] tee: generic TEE subsystem

On Sat, Apr 18, 2015 at 10:57:12AM +0200, Greg Kroah-Hartman wrote:
> On Fri, Apr 17, 2015 at 09:50:56AM +0200, Jens Wiklander wrote:
> > +struct tee_device {
> > +	char name[TEE_MAX_DEV_NAME_LEN];
> > +	const struct tee_desc *desc;
> > +	struct device *dev;
> 
> No, please embed the device in your structure, don't have a pointer to
> it.

Greg, "dev" here is not a locally allocated device, but the parent device.
It's actually the same as struct tee_device.miscdev.parent, which could be
used instead and this member deleted.

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