linux-kernel - Re: [GIT PATCH] USB patches for 2.6.27-rc3

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Date:	Wed, 13 Aug 2008 20:10:00 -0700
From:	David Brownell <david-b@...bell.net>
To:	Greg KH <gregkh@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [GIT PATCH] USB patches for 2.6.27-rc3

On Wednesday 13 August 2008, Greg KH wrote:
> The majority of this patch is removing an old driver (auerswald), and
> adding a new one (musb, an USB embedded host/device combo on ARM
> systems).  musb is totally self-contained, so that causes no problems
> with any other patches.

Minor clarifications.  The musb_hdrc (*) driver is *currently* used on ARM,
specifically a bunch of TI chips (**), but it's an IP core which has been
licensed by various other vendors.  That is:  it's not ARM-specific.

We already know about work adding Blackfin 5xx support, which I suspect
will appear in the 2.6.28 timeframe, and I've also had queries from folk
using this IP on some PowerPC systems too.

- Dave

(*)  Mentor USB Highspeed Dual Role Controller (MUSB HDRC),
     from Mentor Graphics.  "USB On-The-Go" (OTG) support.

(**) DaVinci, OMAP2, OMAP3 (see beaglebord.org!), and the
     discrete chip used in Nokia 8x0 Linux tablets.
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