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Date: Fri, 30 Jan 2015 07:11:18 +0100
From: Wolfram Sang <wsa@the-dreams.de>
To: Feng Kan <fkan@apm.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
        "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
        patches <patches@apm.com>, jassisingbrar@gmail.com,
        linux-i2c@vger.kernel.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Hieu Le <hnle@apm.com>
Subject: Re: [PATCH 4/6] i2c: busses: add SLIMpro I2C device driver on APM
 X-Gene platform
Message-ID: <20150130061118.GA995@katana>
References: <1412726809-7525-1-git-send-email-fkan@apm.com>
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 <1894616.4yY7dajl4R@wuerfel>
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> > ctx->dev is probably the wrong device here. The i2c controller is not
> > DMA capable itself, you need to have a pointer to the device that actua=
lly
> > performs the DMA here.
>=20
> Arnd, I do agree this may not be the best identification. There is no
> representation for this on the Linux side. I could put it as NULL. Howeve=
r,
> there are other i2c bus drivers that seem to do the same thing. Please
> let me know what you think.

For completeness: Those drivers need fixing!

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