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CVS commit: src/sys

Module Name:    src
Committed By:   mlelstv
Date:           Wed May  1 07:38:01 UTC 2013

Modified Files:
        src/sys/arch/arm/imx: imxuart.c
        src/sys/arch/arm/s3c2xx0: sscom.c
        src/sys/arch/evbarm/dev: plcom.c
        src/sys/dev/ic: com.c

Log Message:
For a polled console incoming characters are buffered on output.
The buffer is never passed to the regular tty routines and can
survive from early boot to halt where it is read by the "press
any continue to reboot" loops.
As a workaround, just kill the read-ahead buffer when switching
from and to polled mode.

To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/arm/imx/imxuart.c
cvs rdiff -u -r1.38 -r1.39 src/sys/arch/arm/s3c2xx0/sscom.c
cvs rdiff -u -r1.44 -r1.45 src/sys/arch/evbarm/dev/plcom.c
cvs rdiff -u -r1.309 -r1.310 src/sys/dev/ic/com.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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