netdev - Re: Problem with non aligned DMA in usbnet on ARM

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Message-ID: <AANLkTimX46QKAGhiyo8AodaXVjuzoxr5-5z2V4gRr1Vu@mail.gmail.com>
Date:	Wed, 11 Aug 2010 12:11:52 +0200
From:	Martin Fuzzey <mfuzzey@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	linux-usb <linux-usb@...r.kernel.org>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: Problem with non aligned DMA in usbnet on ARM

> You haven't said what HCD you're using.
>
imx21_hcd  (submitted by me and mainlined in 2.6.34)

> In that case, I'd say the HCD must handle misaligned URBs itself so
> behaviour is consistent between all implementations on different
> platforms.
>
Here is a pointer to the thread where it was stated that HCD's don't
have to handle this.

http://kerneltrap.org/mailarchive/linux-usb/2009/4/20/5528164
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