From: Johan Hovold <jhovold@gmail.com>
Date: Thu, 21 Mar 2013 11:37:30 +0000 (+0100)
Subject: USB: spcp8x5: add proper modem-status support
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~135^2~136
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1ed212d8593f8d5036709ae257e0e019dbecd4f;p=pandora-kernel.git

USB: spcp8x5: add proper modem-status support

Fetch modem status on carrier_raised and tiocmget.

This driver appeared to support modem-status but only read the modem
status registers once at open and then used that cached value for all
further enquires.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-diff-tree failed