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ADC & I/Q calibrations could take infinite time to comple, since they depend on received frames. In particular the I/Q mismatch calibration requires receiving of OFDM frames for completion. But in the 2.4GHz band, a station could receive only CCK frames for a very long time. And while we wait for the completion of one of the mentioned calibrations, the NF calibration is blocked. Moreover, in some environments, I/Q calibration is unable to complete until a correct noise calibration will be performed due to AGC behaviour. In order to avoid delaying NF calibration on forever, limit the maximum duration of ADCs & I/Q calibrations. If the calibration is not completed within the maximum time, it will be interrupted and a next calibration will be performed. The code that selects the next calibration has been reworked to the loop so incompleted calibration will be respinned later. Ð maximum calibration time of 30 seconds was selected to give the calibration enough time to complete and to not interfere with the long (NF) calibration. Run tested with AR9220. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200424004923.17129-7-ryazanov.s.a@gmail.com |
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| admtek | ||
| ath | ||
| atmel | ||
| broadcom | ||
| cisco | ||
| intel | ||
| intersil | ||
| marvell | ||
| mediatek | ||
| quantenna | ||
| ralink | ||
| realtek | ||
| rsi | ||
| st | ||
| ti | ||
| zydas | ||
| Kconfig | ||
| mac80211_hwsim.c | ||
| mac80211_hwsim.h | ||
| Makefile | ||
| ray_cs.c | ||
| ray_cs.h | ||
| rayctl.h | ||
| rndis_wlan.c | ||
| virt_wifi.c | ||
| wl3501_cs.c | ||
| wl3501.h | ||