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MII PHY autonego restart change


I've commited the following change now:

Module Name:    src
Committed By:   msaitoh
Date:           Mon Aug 24 04:23:41 UTC 2020

Modified Files:
        src/sys/dev/mii: ciphy.c mii_physubr.c miivar.h urlphy.c

Log Message:
 Don't do full initialization for autonego when just restarting autonego
because it's not required.

 This change reduce extra initialization which include PHY_RESET() which
caused long delay(max 500ms).

To generate a diff of this commit:
cvs rdiff -u -r1.40 -r1.41 src/sys/dev/mii/ciphy.c
cvs rdiff -u -r1.91 -r1.92 src/sys/dev/mii/mii_physubr.c
cvs rdiff -u -r1.72 -r1.73 src/sys/dev/mii/miivar.h
cvs rdiff -u -r1.36 -r1.37 src/sys/dev/mii/urlphy.c

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

 Linux also doesn't do full initialization when just restarting autonego.

 If you see any regression, please let me know.


                SAITOH Masanobu (

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