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Commit cac73f20 authored by Keng Soon Cheah's avatar Keng Soon Cheah Committed by Tom Rini
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serial: nulldev: Add nulldev serial driver


Some device the serial console's initialization cannot run early during
the boot process. Hence, nulldev serial device is helpful on that
situation.

For example, if the serial module was implemented in FPGA. Serial
initialization is prohibited to run until the FPGA was programmed.

This commit is to adding nulldev serial driver. This will allows the
default console to be specified as a nulldev.

Signed-off-by: default avatarJoe Hershberger <joe.hershberger@ni.com>
Signed-off-by: default avatarKeng Soon Cheah <keng.soon.cheah@ni.com>
Cc: Chen Yee Chew <chen.yee.chew@ni.com>
parent 2d2531be
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