Matt Sealey wrote:
Just bringing this up again as it's about that time of year. There's an issue with some Via southbridges (the only notable and confirmed example I have being the VT8231 on the PegasosPPC) which can be configured such that they report that they are in "PCI Native Mode", but in fact handle (and report) legacy ATA interrupts through the ISA Bridge configuration.
pata_via calls ata_pci_init_one(), which supports the two-interrupt legacy configuration just fine. The two-interrupt configuration is normal for a majority of pata_* drivers (and a few others), and has been working for years.
It sounds like you need to upgrade your BIOS to fix the requisite PCI config register, or need to add a PCI quirk for your platform, so that libata two-irq code will automagically start working for you.
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