Romano Giannetti wrote:
> Nick Kossifidis wrote:
>> 2008/9/12 Romano Giannetti <[EMAIL PROTECTED]>:
>>> Hi all,
>
>>> [ 3853.887794] ath5k phy0: noise floor calibration failed (2437MHz)
>>> [ 3853.889748] ath5k phy0: can't reset hardware (-11)
>
> Notice that everytime I reboot the problem go away: it would be very strange
> if
> the noisy environment problem were synchronized with it...
>
Disclaimer: I do not know anything about wifi drivers, drivers and kernel
programming in general, but I will try a wild guess...
I was looking at ath5k_hw_noise_floor_calibration(), and if I understand well
the instruction
ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
AR5K_PHY_AGCCTL_NF, 0, false);
activates noise floor calibration, and then there is a mdelay()d loop that try
20 times to get the value. Then we detect if it has failed with the test
if (noise_floor > AR5K_TUNE_NOISE_FLOOR)
and bail out. If the calibration is failing, shouldn't the setting of the
"noise
floor calibration mode" undone?
Romano
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