linux-kernel - Re: USB device DMA support on OMAP2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <9c9fda240711042231s1f698683o20eb5332879d3ec5@mail.gmail.com>
Date:	Mon, 5 Nov 2007 15:31:43 +0900
From:	"Kyungmin Park" <kmpark@...radead.org>
To:	"David Brownell" <david-b@...bell.net>
Cc:	linux-omap-open-source@...ux.omap.com,
	linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
	tony@...mide.com
Subject: Re: USB device DMA support on OMAP2

On 11/5/07, David Brownell <david-b@...bell.net> wrote:
> > The current omap udc dosen't support the DMA mode
>
> It most certainly does!!  I think you it has DMA issues on OMAP2.
>

Ah, Yes, OMAP1 supports the DMA mode. It means the OMAP2 DMA support.

>
> > and it has some problem at setup time on OMAP2 with previous patch file.
> > I found that the code assumes bulk out required the big data transfer.
> > But MODE SELECT(6) sent the only 24 bytes. it makes a problem.
> > So I implement the small packets handling for it.
> >
> > It is tested with both linux and windows.
> >
> > Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
>
> I'll have a look at it, thanks.
>
> Is this aginst the linux-omap tree, or current kernel.org code?
> (There _shouldn't_ be any differences, but I've not checked in
> some time now and such issues do creep in from time to time.)
>

There's some difference related with double buffering.
It's against the latest kernel code. I checked it.

Thank you,
Kyungmin Park
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/