From: Peter Chen <peter.chen@freescale.com>
Date: Wed, 11 Feb 2015 04:44:55 +0000 (+0800)
Subject: usb: chipidea: add chipidea revision information
X-Git-Tag: omap-for-v4.2/o2_dc~157^2~85
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb271f3ce969a0fc4ecf9fc4b5a28852509714ed;p=pandora-kernel.git

usb: chipidea: add chipidea revision information

Define ci_get_revision API to know the controller revision
information according to chipidea 1.1a, 2.0a and 2.5a spec.
Besides, add one entry at struct ci_hdrc to indicate revision
information, it can be used for adding different code for
revisions, eg kinds of errata.

Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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