ath9k: check old power mode before clearing cycle counters

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ath9k_ps_wakeup() clears the cycle counters after waking up the
hardware using ath9k_hw_setpower, however if power save is disabled,
then the counters will contain useful data, which then gets discarded.
Fix this by checking the old power mode before discarding any data.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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Felix Fietkau 2010-11-03 01:36:51 +01:00 • committed by John W. Linville

parent 3cc25e510d

commit fbb078fcd2

1 changed files with 8 additions and 4 deletions

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drivers/net/wireless/ath/ath9k/main.c

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