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

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Tejun Heo wrote:
Alan Cox wrote:
..
We need to start using enable/disable_irq and/or local chip IRQ masking
for PIO in some places anyway.

Agreed.  I think we should use disable/enable_irq for all controller
which don't have proper IRQ masking mechanism (NIEN doesn't count) for
both reliability and so that we move PIO out of irq handler.  Jeff,
this has come up quite a few times now, what do you think?
..

Keep in mind that disable_irq() is nasty for other devices
sharing the same PCI interrupt as the IDE interface..
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