ath9k: Add debugfs support for mac/baseband samples

This patch keep track of number of samples that includes
DMA debugs registers, PCU observe, CR, channel noise,
cycle conters, noisefloor history buffer and last N number
of tx and rx descriptor status. These samples are grouped
in table manner which dumping in debgufs.

Debugfs file location:
    <debugfs_mnt>/ieee80211/phy#/ath9k/samples

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 5ac4f3f2ad60..7b7864dfab75 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -546,6 +546,7 @@ set_timer:
         * The interval must be the shortest necessary to satisfy ANI,
         * short calibration and long calibration.
         */
+        ath9k_debug_samp_bb_mac(sc);
         cal_interval = ATH_LONG_CALINTERVAL;
         if (sc->sc_ah->config.enable_ani)
                 cal_interval = min(cal_interval,
@@ -978,6 +979,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 
         sc->hw_busy_count = 0;
 
+        ath9k_debug_samp_bb_mac(sc);
         /* Stop ANI */
 
         del_timer_sync(&common->ani.timer);