>> For AR5413 cards there was a bug when programming PLL, it's being
>> fixed right now (the patch that updates reset sequence), so they had
>> bad performance on 5GHz channels. This can be an explanation why your
>> AR5413 card couldn't work.
I'm updating wireless-testing git every day - AR5413 s
A reset seems to be possible via rfkill, as I have described here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/269253/comments/32
Another workaround is to remove the module prior to suspend:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/272169
Hope this helps to resolve the bug,