From 01340df8d3cd4d8f1773d5f1f569b77bbfce31ad Mon Sep 17 00:00:00 2001
From: Jassi Brar <jassisinghbrar@gmail.com>
Date: Fri, 12 Dec 2014 15:22:49 +0530
Subject: [PATCH] mailbox: check for bit set before polling

Before polling we just need to see if the TXDONE_BY_POLL bit
is set in txdone_method. There may be another bit (method)
specified as well, like TXDONE_BY_ACK.

Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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