ath5k regression associating with APs in 2.6.38

[Seth Forshee]

I've been investigating some reports of a regression in associating with
APs with AR2413 in 2.6.38. Association repeatedly fails with some
"direct probe to x timed out" messages (see syslog excerpt below),
although it will generally associate eventually, after many tries.

Bisection identifies 8aec7af (ath5k: Support synth-only channel change
for AR2413/AR5413) as offending commit. Prior to this commit there are
no direct probe messages at all in the logs. I've also found that
forcing fast to false at the top of ath5k_hw_reset() fixes the issue.
I'm not sure what the connection is between this commit and the
timeouts. Any suggestions?

Thanks,
Seth


May  4 09:32:15 AcerAspire5100 wpa_supplicant[757]: Trying to associate with c0:3f:0e:b9:f3:b2 (SSID='aureola' freq=2452 MHz)
May  4 09:32:15 AcerAspire5100 kernel: [  120.063271] wlan0: direct probe to c0:3f:0e:b9:f3:b2 (try 1/3)
May  4 09:32:16 AcerAspire5100 kernel: [  120.260074] wlan0: direct probe to c0:3f:0e:b9:f3:b2 (try 2/3)
May  4 09:32:16 AcerAspire5100 kernel: [  120.460084] wlan0: direct probe to c0:3f:0e:b9:f3:b2 (try 3/3)
May  4 09:32:16 AcerAspire5100 kernel: [  120.660082] wlan0: direct probe to c0:3f:0e:b9:f3:b2 timed out
May  4 09:32:25 AcerAspire5100 wpa_supplicant[757]: Authentication with c0:3f:0e:b9:f3:b2 timed out.

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