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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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16
common/Kconfig
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@@ -635,6 +635,22 @@ config SYS_STDIO_DEREGISTER
removed (for example a USB keyboard) then this option can be
enabled to ensure this is handled correctly.
config SPL_SYS_STDIO_DEREGISTER
bool "Allow deregistering stdio devices in SPL"
help
Generally there is no need to deregister stdio devices since they
are never deactivated. But if a stdio device is used which can be
removed (for example a USB keyboard) then this option can be
enabled to ensure this is handled correctly. This is very rarely
needed in SPL.
config SYS_DEVICE_NULLDEV
bool "Enable a null device for stdio"
help
Enable creation of a "nulldev" stdio device. This allows silent
operation of the console by setting stdout to "nulldev". Enable
this to use a serial console under board control.
endmenu
menu "Logging"