On Maw, 2005-09-06 at 16:44 -0700, Ravikiran G Thirumalai wrote:
> Patch to convert piix driver to use per-driver/hwgroup lock and kill
> ide_lock. In the case of piix, hwgroup->lock should be sufficient.
PIIX requires that both channels are quiescent when retuning in some
cases. It wasn't totally safe before, its now totally broken. Start by
fixing the IDE layer locking properly (or forward porting my patches and
then fixing them for all the refcounting changes and other stuff done
since).
Better yet move to the SATA driver - it can drive never PIIX chips in
PATA mode and its in my experience already more reliable.
Alan
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