From: Robert Jarzmik <robert.jarzmik@free.fr>
Date: Wed, 22 Apr 2009 03:34:44 +0000 (-0700)
Subject: USB: pxa27x_udc: compatibility with pxa320 SoC
X-Git-Tag: v2.6.31-rc1~304^2~107
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f5351b743716c796d13235651699fb4ec7aa64f;p=pandora-kernel.git

USB: pxa27x_udc: compatibility with pxa320 SoC

Got pxa27x_udc working on the pxa320 Nomad platform.  The
problem was that the pxa3xx UDC is not quite compatible with
the pxa27x UDC in how it handles back-to-back control
packets.  The pxa27x probably drops them by default, but the
pxa320 does not, and you have to detect it and set the OPC
bit to clear the zero-length packet.

Signed-off-by: Aric Blumer <aric@sdgsystems.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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