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encountered on the oldest hppa machines.
Currently compiled in, but disabled, in the kernel, until it is stable
enough - right now read access are fine, but writes eventually time out
and do not complete.
ok deraadt@
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to other trolley busses around ...
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where required and modify existing ones to use a consistant delay(25).
From NetBSD with minor mods.
ok mickey@.
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for hppa/osiop; krw@ ok
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First cut at osiop driver (LSI Logic/Symbios/NCR 53C710). For hppa
only at the moment.
Functional for the most part, but there are known problems:
1) SCSI_CHECK/REQUEST_SENSE not handled at all - simply returns a
zero'ed scsi_sense_data buffer. As a result all osiop sc_link's are
created with the ADEV_NODOORLOCK quirk to suppress PREVENT_ALLOW
commands from being issued (and failing) during probe.
2) Sync negotiation (wide is not supported on this chip) needs to be
validated due to some ominous comments in the source about being valid
only for the 33Mhz Zeus board.
3) Probe message needs fixing/completion to issue useful info. See 2).
4) Timeout/hangs occur under heavy load, e.g. make builds.
From NetBSD.
ok mickey@
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