Doing so enables the FFT generation without prior configuration, leading to an IRQ storm caused by invalid (or at least unwanted) PHY errors. Signed-off-by: Zefir Kurtisi <zefir.kurtisi@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/common-spectral.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c index 58f1ed1..51b618c 100644 --- a/drivers/net/wireless/ath/ath9k/common-spectral.c +++ b/drivers/net/wireless/ath/ath9k/common-spectral.c @@ -739,6 +739,9 @@ void ath9k_cmn_spectral_scan_trigger(struct ath_common *common, return; } + if (!spec_priv->spec_config.enabled) + return; + ath_ps_ops(common)->wakeup(common); rxfilter = ath9k_hw_getrxfilter(ah); ath9k_hw_setrxfilter(ah, rxfilter | -- 2.7.4