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Previously after the calibration validity period is over, calibrations are invalidated in a one at time manner. So, for AR9002 family, which has three calibrations, the full recalibration interval becomes 3 x ATH_RESTART_CALINTERVAL. And each next calibration will be separated by the ATH_RESTART_CALINTERVAL time from a previous one. It seems like it is better to do whole recalibration at once. Also, this change makes the driver behaviour a little simpler. So, invalidate all calibrations at once at the end of the calibration validity interval. This change affects only AR9002 chips family, since the AR9003 utilize only a single calibration. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200424004923.17129-6-ryazanov.s.a@gmail.com