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Convert CONFIG_SYS_DEVICE_NULLDEV to Kconfig

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This converts the following to Kconfig:
   CONFIG_SYS_DEVICE_NULLDEV

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-08-11 11:23:36 -06:00
committed by Tom Rini
parent 35bd70c510
commit 7e15638d60
7 changed files with 19 additions and 6 deletions
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doc/README.silent
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@@ -19,7 +19,7 @@ The following actions are taken if "silent" is set at boot time:
- When the console devices have been initialized, "stdout" and
"stderr" are set to "nulldev", so subsequent messages are
suppressed automatically. Make sure to enable "nulldev" by
#defining CONFIG_SYS_DEVICE_NULLDEV in your board config file.
enabling CONFIG_SYS_DEVICE_NULLDEV in your board defconfig file.
- When booting a linux kernel, the "bootargs" are fixed up so that
the argument "console=" will be in the command line, no matter how