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[v2,4/4] Document: Modify 8250 earlycon kernel parameters

Message ID 1421068104-30463-5-git-send-email-eddie.huang@mediatek.com (mailing list archive)
State New, archived
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Commit Message

Eddie Huang (黃智傑) Jan. 12, 2015, 1:08 p.m. UTC 
Add options "noinit" to avoid init serial hardware in 8250_early.c

Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
---
 Documentation/kernel-parameters.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4df73da..03a4e9b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -948,7 +948,10 @@  bytes respectively. Such letter suffixes can also be entirely omitted.
 			UART at the specified I/O port or MMIO address.
 			MMIO inter-register address stride is either 8-bit
 			(mmio) or 32-bit (mmio32).
-			The options are the same as for ttyS, above.
+			The options have two choices: one is the same as for
+			ttyS, above. The other is noinit, which means don't
+			initialize serial hardware, use the same setting as
+			loader.
 
 		pl011,<addr>
 			Start an early, polled-mode console on a pl011 serial