Messages in this thread | | | Date | Wed, 16 Apr 2008 08:25:57 +0900 | From | Tejun Heo <> | Subject | Re: No IDE drivers loaded for Toshiba Satellite 320 CDS |
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Alan Cox wrote: >> Always loading generic or ata_generic used to be safe. It's still >> pretty safe but not as much as before. Nowadays, there are good number > > ata_generic is always safe unless you force it to grab every class > device. By default it grabs only those devices we know obey the class > interface well enough and for which we have no proper driver (usually > because there are no documents). Ditto for ide/pci/generic. > > The trickier one is pata_legacy, which tries to be smart and knows about > the known exception so *should* always be safe. The old IDE legacy driver > lacks these smarts so in some cases will do the wrong thing even if > loaded last.
Right, I was thinking about drivers/ide/ide-generic.c which just grabs every known legacy IO ports. This actually caused rather serious problems on some ATI controllers under certain configurations. :-(
-- tejun
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