CVS commit: src/sys/dev/ata

["Michael Lorenz" <macallan%netbsd.org@localhost>]

Module Name:    src
Committed By:   macallan
Date:           Fri Jun  1 18:13:30 UTC 2018

Modified Files:
        src/sys/dev/ata: ata_wdc.c atavar.h

Log Message:
add a flag to start DMA before issuing commands - needed to work around a bug
in some SATA chips which get confused if the disk responds too fast
Mostly for K2 SATA / svwsata found in G5 Macs
adapted from OpenBSD


To generate a diff of this commit:
cvs rdiff -u -r1.109 -r1.110 src/sys/dev/ata/ata_wdc.c
cvs rdiff -u -r1.96 -r1.97 src/sys/dev/ata/atavar.h

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