From: Peter Chen <peter.chen@freescale.com>
Date: Wed, 11 Feb 2015 04:44:54 +0000 (+0800)
Subject: usb: chipidea: add identification registers access APIs
X-Git-Tag: omap-for-v4.2/o2_dc~157^2~86
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=655d32e9b2b2b912ff86de656eb620627b0df117;p=pandora-kernel.git

usb: chipidea: add identification registers access APIs

Using hw_write_id_reg and hw_read_id_reg to write and read identification
registers contents, they can be used to get controller information, change
some system configurations, and so on.

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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