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ath9k: make MAC sample statistics optional

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They're more expensive than some of the other debug options and only used
in very rare situations, so it sometimes makes sense to disable them while
leaving in debugfs support.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2012-03-03 15:17:03 +01:00
committed by John W. Linville
parent 9c083af868
commit 5baec7422c
4 changed files with 36 additions and 6 deletions
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4
drivers/net/wireless/ath/ath9k/init.c
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@@ -555,8 +555,10 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
mutex_init(&sc->mutex);
#ifdef CONFIG_ATH9K_DEBUGFS
spin_lock_init(&sc->nodes_lock);
spin_lock_init(&sc->debug.samp_lock);
INIT_LIST_HEAD(&sc->nodes);
#endif
#ifdef CONFIG_ATH9K_MAC_DEBUG
spin_lock_init(&sc->debug.samp_lock);
#endif
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,