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ath9k: optimize ath9k_flush

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Instead of checking the queues in a loop with hardcoded sleep times
inbetween, use a wait queue to trigger queue checks after the tx
processing tasklet has run.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2013-11-11 22:23:35 +01:00
committed by John W. Linville
parent 10ffb6a77e
commit 10e2318103
3 changed files with 27 additions and 21 deletions
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drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -754,6 +754,7 @@ struct ath_softc {
struct work_struct hw_check_work;
struct work_struct hw_reset_work;
struct completion paprd_complete;
wait_queue_head_t tx_wait;
unsigned int hw_busy_count;
unsigned long sc_flags;