From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa@the-dreams.de>
Subject: Re: [PATCHv2] i2c: i2c-tiny-usb: fix buffer not being DMA capable
Date: Mon, 22 May 2017 10:35:25 +0200
Message-ID: <20170522083525.ubm2cxj3oueefljl@ninjato>
References: <20170505090650.28412-1-sebastian.reichel@collabora.co.uk>
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In-Reply-To: <20170505090650.28412-1-sebastian.reichel@collabora.co.uk>
Sender: stable-owner@vger.kernel.org
To: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Cc: Sebastian Reichel <sre@kernel.org>, Till Harbaum <till@harbaum.org>, Greg KH <gregkh@linuxfoundation.org>, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org
List-Id: linux-i2c@vger.kernel.org


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On Fri, May 05, 2017 at 11:06:50AM +0200, Sebastian Reichel wrote:
> Since v4.9 i2c-tiny-usb generates the below call trace
> and longer works, since it can't communicate with the
> USB device. The reason is, that since v4.9 the USB
> stack checks, that the buffer it should transfer is DMA
> capable. This was a requirement since v2.2 days, but it
> usually worked nevertheless.
>=20

Applied to for-current, thanks!


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