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Date: Tue, 6 Jun 2017 17:29:26 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Wolfram Sang <wsa@...-dreams.de>
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>,
Linux I2C <linux-i2c@...r.kernel.org>,
Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling
Hi Wolfram,
On Tue, Jun 6, 2017 at 1:23 PM, Wolfram Sang <wsa@...-dreams.de> wrote:
>> I have it enabled all the time. So my devices may stop working...
>
> If you have enabled it all the time, then there won't be a difference
> from now. Or?
>
> That also shows how rarely I2C DMA transfers are triggered from within
> the kernel :)
... how rarely i2c DMA transfers from possibly unsafe buffers...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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