ath9k: don't trigger spectral scan when not enabled

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@neratec.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index 0ffa23a..5e77fe1 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -742,6 +742,9 @@ 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 |