From ee5e7c1091a703c6a465d8145e9b55e09adb6f37 Mon Sep 17 00:00:00 2001
From: Robin Gong <b38343@freescale.com>
Date: Tue, 9 Dec 2014 18:11:33 +0900
Subject: [PATCH] serial: imx: start rx_dma once RXFIFO is not empty

Start rx_dma once RXFIFO is not empty that can avoid dma request lost
and causes data delay issue.

Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed