Re: [PATCH #upstraem-fixes] ata_piix: detect and clear spurious IRQs

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Hello, I wrote:

irq handler) and ata_piix (this patch).  Alan, how do other
controllers do it?

CMD chipsets do a register read .. from PCI config space (gak)
All BMDMA controllers I know about are sata_sil (already has private

The late chips do have the alternate interrupt latch bits in I/O space (at BMIDE base + 3).

Just looked into th driver, so to be correct the MRDMODE register is at BMIDE base + 1.

MBR, Sergei


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