diff options
author | Jason Wright <jason@cvs.openbsd.org> | 1998-05-28 22:07:55 +0000 |
---|---|---|
committer | Jason Wright <jason@cvs.openbsd.org> | 1998-05-28 22:07:55 +0000 |
commit | aaa8a56a409ee5d9cd998207880759b4f80fbdb1 (patch) | |
tree | f601ddb285af80b1208138b8a142829c914fc682 /sys/arch/powerpc | |
parent | e14f3bc839d97d42ba70c1db48ca0ba5d21d21cc (diff) |
Sync with NetBSD:
Allocate SCSI message buffers in ncr53c9x_attach(), with a provision
for front-ends to override the allocation to avoid alignment
handling in their DMA engines. Note that that ncr53c9x_msgout()
can request a 1 byte DMA transfer that would be difficult to break up.
Eliminate the degenerate loop in `ncr53c9x_intr()'. Retain the delay heuristic
it implemented under the label `shortcut:' and only use it in these cases:
(1) after successful re-relection,
(2) after receiving command-complete status, and
(3) during message-in handshake.
If we have an NCR53CF9x (indicated by the front-end by setting a flag
in the softc's new "features" word), set FSCSI bit in CFG3 if the sync
period is <= 200ns, or clear it otherwise.
Diffstat (limited to 'sys/arch/powerpc')
0 files changed, 0 insertions, 0 deletions