From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Wed, 16 Jan 2013 12:08:14 +0000 (+0200)
Subject: serial: 8250_dma: TX optimisation
X-Git-Tag: v3.9-rc1~125^2~84
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3b0397fdf19b3c23f37012532482c787e01d4a0;p=pandora-kernel.git

serial: 8250_dma: TX optimisation

Remove one useless wakeup, and do not use DMA with zero byte
transfers.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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