Re: [PATCH v3 1/2] libahci: Add support to handle HOST_IRQ_STAT as edge trigger latch.

Tejun Heo
2015-05-05T13:18:58Z

On Tue, May 05, 2015 at 11:25:14AM +0530, Suman Tripathi wrote:
> Yeah it's very simple. The clearing of irq_stat needs to move up.
> That's it. tried and it worked. Thanks a lot !!
> Just a quick question : Why edge trigger handling is not yet present
> in libahci yet? I mean no one has used it yet ??

Yeah, no other ahci controller uses edge triggered latches. I think
ahci spec says irq is supposed to be level triggered.

Thanks.

--
tejun