Re: [git patches] libata fixes for .26

[Tejun Heo]

Tejun Heo wrote:
> so, it basically behaves like level triggered IRQ latch for ports,
> which also creates an easy-to-miss requirement for MSI implementation
> where the controller should generate a new MSI message when the driver
> clears some of the IRQ pending bits but not all.

Oops, confused.  The easy-to-miss requirement is the controller needing
to resend the message if the irq_stat is cleared but port IRQ is still
pending.  Resending on partial clear is always necessary.

Thanks.

-- 
tejun
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