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libata: implement no[hs]rst force params

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Implement force params nohrst, nosrst and norst.  This is to work
around reset related problems and ease debugging.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo
2008-08-13 20:19:09 +09:00
committed by Jeff Garzik
parent 6a55617ed5
commit 05944bdf6f
4 changed files with 38 additions and 16 deletions
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Documentation/kernel-parameters.txt
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@@ -1074,6 +1074,9 @@ and is between 256 and 4096 characters. It is defined in the file
* [no]ncq: Turn on or off NCQ.
* nohrst, nosrst, norst: suppress hard, soft
and both resets.
If there are multiple matching configurations changing
the same attribute, the last one is used.