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CVS commit: src/sys/dev/ic

Module Name:    src
Committed By:   tsutsui
Date:           Sat Jan 22 16:59:27 UTC 2011

Modified Files:
        src/sys/dev/ic: com.c

Log Message:
Revert part of changes in rev 1.298:
 - it breaks cobalt's serial console as mentioned in PR port-cobalt/44292
 - MCR_PRESCALE doesn't affect unless EFR_EFCR is set in the EFR register
 - even if MCR_PRESCALE is enabled we should define appropriate sc_type
   variants and BRG values should be adjusted in comspeed() per sc_type
 - sc_frequency should be adjusted in MD attachment if necessary
Tested on cobalt by several people, ok from jklos@

To generate a diff of this commit:
cvs rdiff -u -r1.298 -r1.299 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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