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To: linux-serial@vger.kernel.org
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From: Paul Menzel <pmenzel+linux-serial@molgen.mpg.de>
Subject: How to enable output to serial console at run-time?
Message-ID: <3c348fe1-1474-6c19-691d-8130d4bd0d32@molgen.mpg.de>
Date: Thu, 2 Nov 2017 16:39:36 +0100
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Dear Linux folks,


If I want to output the Linux kernel messages to the serial console, but 
the `console=ttyS…` line is missing on the Linux command line, is there 
a way to activate that during run-time by, for example, using the sysfs 
interface?


Kind regards,

Paul