[PATCH] Documentation/kernel-parameters: add missing pciserial to the earlyprintk

From: Alexander Kuleshov
Date: Wed Jun 10 2015 - 13:21:39 EST


The PCI based UART can be specified for earlyprintk with the 'pciserial'
parameter from the ea9e9d802. This patch adds missing information about
this parameter.

Signed-off-by: Alexander Kuleshov <kuleshovmail@xxxxxxxxx>
---
Documentation/kernel-parameters.txt | 1 +
1 file changed, 1 insertion(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 61ab162..7d27e64 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1009,6 +1009,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
earlyprintk=serial[,0x...[,baudrate]]
earlyprintk=ttySn[,baudrate]
earlyprintk=dbgp[debugController#]
+ earlyprintk=pciserial,bus:device.function[,baudrate]

earlyprintk is useful when the kernel crashes before
the normal console is initialized. It is not enabled by
--
2.4.0.GIT

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