From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: [PATCH] Docs/kernel-parameters: Add earlycon devicetree usage Date: Mon, 14 Sep 2015 19:54:07 -0500 Message-ID: <20150915005407.GA19995@home.buserror.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Jonathan Corbet Cc: Rob Herring , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org 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 --- 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, Start an early, polled-mode console on a cadence serial port at the specified address. The cadence serial port -- 2.1.4