From: Robin Gong <b38343@freescale.com>
Date: Tue, 9 Dec 2014 09:11:33 +0000 (+0900)
Subject: serial: imx: start rx_dma once RXFIFO is not empty
X-Git-Tag: fixes-v4.0-rc1~98^2~87
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee5e7c1091a703c6a465d8145e9b55e09adb6f37;p=pandora-kernel.git

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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