Re: PATA failure with piix, works with libata

From: Matthew Garrett
Date: Mon Mar 06 2006 - 10:10:33 EST


On Sat, Mar 04, 2006 at 02:11:46PM +0000, Alan Cox wrote:

> Make sure the IRQ is setup properly. Legacy mode IRQs are level
> triggered which might fit this description.

It's a shared PCI interrupt, so yeah, it's level. As I mentioned to
Jeff, explicitly writing back the DMA status register while
acknowledging interrupts works (and is what ata_piix does in PATA mode)

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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