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From: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Attached are patches, which help to utilize more of the WD33C93B SCSI
controller's capabilities.
1) Added/changed all the necessary code to enable Burst Mode DMA. Only
Single Byte DMA was used before.
2) Added/changed all the necessary code to enable Fast-10 SCSI transfers.
3) The original driver inadvertently used a transfer period of 1000-800ns
(the lowest possible transfer rate) for asynchronous data transfers,
instead of the (configurable) default period intended for this purpose,
if the target responded to a SDTR not with a Reject-message, but with
a zero-SDTR. This issue was fixed.
Moreover, in case of a Reject the driver used the default-period's
initialization-value instead of its (maybe smaller) current value. The
missing assignment was added.
4) The driver's commandline- and proc-file-interface was augmented to
handle the new options properly.
The WD33C93 manual, found at
http://www.datasheet.in/datasheet-html/W/D/3/WD33C93B_WesternDigital.pdf.html,
was very helpful.
Signed-off-by: peter fuerst <post@pfrst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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