Nick, thanks for taking the time to explain this.
Nick Kossifidis wrote:
> below a predefined threshold you get a "noise floor calibration
> failed" message. You don't get a noise floor timeout message but a
> fail message and that's because of the failed gain offset calibration
> (noise floor calibration runs after gain calibration) so that's where
> you should look into (it gets enabled on ath5k_hw_reset - reset.c).
Yes, I see. I was just wondering what happens if the following loop:
for (i = 20; i > 0; i--) {
mdelay(1);
noise_floor = ath5k_hw_reg_read(ah, AR5K_PHY_NF);
noise_floor = AR5K_PHY_NF_RVAL(noise_floor);
if (noise_floor & AR5K_PHY_NF_ACTIVE) {
noise_floor = AR5K_PHY_NF_AVAL(noise_floor);
if (noise_floor <= AR5K_TUNE_NOISE_FLOOR)
break;
}
}
falls thru. It means that we can exit from here with the AR5K_PHY_NF_ACTIVE bit
off, and maybe this could be the reason why the following gain caliration made
by reset() in hw.c fails...
> Do you only get these errors while resuming from suspend or randomly ?
>
It happened only after resuming till now. But as I said, nost of the time all
is
working ok.
Romano
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