From: Felipe Balbi <balbi@ti.com>
Date: Sun, 30 Jun 2013 10:56:45 +0000 (+0300)
Subject: usb: common: introduce of_usb_get_maximum_speed()
X-Git-Tag: v3.12-rc1~186^2~77^2~87
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1494a1f62bf7cf57345e9282c8189fe2a21fab64;p=pandora-kernel.git

usb: common: introduce of_usb_get_maximum_speed()

this helper will be used for controllers which
want to work at a lower speed even though they
support higher USB transfer rates.

One such case is Texas Instruments' AM437x
SoC where it uses a USB3 controller without
a USB3 PHY, rendering the controller USB2-only.

Signed-off-by: Felipe Balbi <balbi@ti.com>
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