From: Oliver Neukum <oneukum-l3A5Bk7waGM@public.gmane.org>
To: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
Cc: mfuzzey-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
Matthieu CASTET
<matthieu.castet-ITF29qwbsa/QT0dZR+AlfA@public.gmane.org>,
"Russell King - ARM Linux"
<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Gary King <GKing-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-usb" <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
Subject: Re: Problem with non aligned DMA in usbnet on ARM
Date: Fri, 13 Aug 2010 15:53:19 +0200 [thread overview]
Message-ID: <201008131553.19875.oneukum@suse.de> (raw)
In-Reply-To: <732137.54230.qm-g47maUHHHF/6X00i2u5GFvu2YVrzzGjVVpNB7YpNyf8@public.gmane.org>
Am Freitag, 13. August 2010, 15:42:32 schrieb David Brownell:
> > > 2) Require that usb_submit_urb() accept byte aligned buffers.
>
> I believe we already require that. Of course,
> the requirement is on HCDs, not on th
Divers fail if HCDs can't do it. But we've never explicitly said that HCDs
need to be able to do that. We should probably document that requirement.
Regards
Oliver
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prev parent reply other threads:[~2010-08-13 13:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-11 9:41 Problem with non aligned DMA in usbnet on ARM Martin Fuzzey
[not found] ` <AANLkTi=ycg=adcizNWKMCb7EdfDANM=6Es7r_gF1LbhV-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-08-11 9:54 ` Russell King - ARM Linux
2010-08-11 10:11 ` Martin Fuzzey
2010-08-11 15:04 ` Greg KH
2010-08-11 16:08 ` Martin Fuzzey
[not found] ` <AANLkTimmJDKbh3_pRY_ASKvjsf4YuuUMh3edh5LvDv-p-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-08-11 17:42 ` Greg KH
[not found] ` <20100811174238.GA12382-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2010-08-11 19:07 ` Martin Fuzzey
2010-08-11 20:13 ` Greg KH
[not found] ` <20100811201332.GB10379-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2010-08-11 22:31 ` Martin Fuzzey
2010-08-12 17:01 ` Matthieu CASTET
2010-08-11 19:10 ` Oliver Neukum
2010-08-11 9:59 ` Matthieu CASTET
[not found] ` <4C627479.4060400-ITF29qwbsa/QT0dZR+AlfA@public.gmane.org>
2010-08-11 11:38 ` Martin Fuzzey
[not found] ` <4C62C7B3.2030706@nvidia.com>
[not found] ` <20100811203505.GA463@n2100.arm.linux.org.uk>
[not found] ` <20100811203505.GA463-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2010-08-11 22:20 ` Martin Fuzzey
2010-08-11 22:47 ` Russell King - ARM Linux
[not found] ` <4C632217.9000608-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-08-12 17:08 ` Matthieu CASTET
2010-08-13 10:06 ` Martin Fuzzey
[not found] ` <4C65193E.4090807-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-08-13 10:58 ` Oliver Neukum
[not found] ` <201008131258.55016.oneukum-l3A5Bk7waGM@public.gmane.org>
2010-08-13 13:42 ` David Brownell
[not found] ` <732137.54230.qm-g47maUHHHF/6X00i2u5GFvu2YVrzzGjVVpNB7YpNyf8@public.gmane.org>
2010-08-13 13:53 ` Oliver Neukum [this message]
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