From: Eddie Huang <eddie.huang@mediatek.com>
Date: Tue, 28 Apr 2015 13:40:33 +0000 (+0800)
Subject: tty: serial: 8250_mtk: Add earlycon
X-Git-Tag: omap-for-v4.2/wakeirq-drivers-v2^2~110
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c40b57dc82de8e1337666341efe41a0fe9dd741;p=pandora-kernel.git

tty: serial: 8250_mtk: Add earlycon

Add 8250 MTK UART driver to support earlycon device tree.
Earlycon take effect by
  add "earlycon" in kernel boot argument
  add "linux,sdtout-path" property in device tree file

Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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