This patch protects cycle counters access by cc_lock and also prints current sample index. Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/debug.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index bafb7b7..5cc6a2c 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1323,16 +1323,17 @@ void ath9k_debug_samp_bb_mac(struct ath_softc *sc) ath9k_ps_wakeup(sc); + spin_lock_bh(&sc->debug.samp_lock); + spin_lock_irqsave(&common->cc_lock, flags); ath_hw_cycle_counters_update(common); - spin_unlock_irqrestore(&common->cc_lock, flags); - - spin_lock_bh(&sc->debug.samp_lock); ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; + spin_unlock_irqrestore(&common->cc_lock, flags); + ATH_SAMP_DBG(noise) = ah->noise; REG_WRITE_D(ah, AR_MACMISC, @@ -1390,6 +1391,8 @@ static int open_file_bb_mac_samps(struct inode *inode, struct file *file) spin_lock_bh(&sc->debug.samp_lock); memcpy(bb_mac_samp, sc->debug.bb_mac_samp, sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); + len += snprintf(buf + len, size - len, + "Current Sample Index: %d\n", sc->debug.sampidx); spin_unlock_bh(&sc->debug.samp_lock); len += snprintf(buf + len, size - len, -- 1.7.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
