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Message-ID: <20150915005407.GA19995@home.buserror.net>
Date: Mon, 14 Sep 2015 19:54:07 -0500
From: Scott Wood <scottwood@...escale.com>
To: Jonathan Corbet <corbet@....net>
CC: Rob Herring <robh+dt@...nel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
Subject: [PATCH] Docs/kernel-parameters: Add earlycon devicetree usage
This form of the earlycon parameter was added by commit fb11ffe74c794a5
("of/fdt: add FDT serial scanning for earlycon") without documentation.
Signed-off-by: Scott Wood <scottwood@...escale.com>
---
Documentation/kernel-parameters.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 22a4b68..d461320 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -971,6 +971,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
earlycon= [KNL] Output early console device and options.
+ When used with no options, the early console is
+ determined by the stdout-path property in device
+ tree's chosen node.
+
cdns,<addr>
Start an early, polled-mode console on a cadence serial
port at the specified address. The cadence serial port
--
2.1.4
--
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