GTA02 Interrupt storm from SDIO on suspend?

Andy Green andy at
Mon Dec 8 13:17:04 CET 2008

Hash: SHA1

Somebody in the thread at some point said:
| Andy Green wrote:
|> The actual wake WoW interrupt is rising edge, I wonder if this is
|> actually another manifestation of the 2442 SDIO controller interrupt
|> spew that we discussed briefly a few weeks ago?
| Hmm, I think the SDIO interrupt spew exists mainly in the head of the
| controller, but if it is indeed related, that would be interesting.
|> If there is just complete spamming of that interrupt for some reason, do
|> we disable it on bus suspend for SDIO and enable it on resume?
| I think Balaji already tried just disabling the WoW interrupt, but
| that didn't make the problem go away.

Balaji told in the meanwhile he found an msleep(2000) kicking around in
there somewhere.

|> Any other clues about it?
| Let me try to reproduce it. I hadn't been able to properly resume in
| the last few days. Too many regressions :-(

There's a lot changing underneath us at the moment with Ben Dooks' not
yet completed pm tree and Balaji stuff changing.

- -Andy
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