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ath9k: restart hardware after noise floor calibration failure

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When NF calibration fails, the radio often becomes deaf. The usual
hardware hang checks do not detect this, so it's better to issue a reset
when that happens.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2014-10-25 17:19:30 +02:00
committed by John W. Linville
parent 70e535ed00
commit 7b8aaead95
9 changed files with 33 additions and 24 deletions
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7
drivers/net/wireless/ath/ath9k/hw-ops.h
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@@ -41,10 +41,9 @@ static inline void ath9k_hw_set_desc_link(struct ath_hw *ah, void *ds,
ath9k_hw_ops(ah)->set_desc_link(ds, link);
}
static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
struct ath9k_channel *chan,
u8 rxchainmask,
bool longcal)
static inline int ath9k_hw_calibrate(struct ath_hw *ah,
struct ath9k_channel *chan,
u8 rxchainmask, bool longcal)
{
return ath9k_hw_ops(ah)->calibrate(ah, chan, rxchainmask, longcal);
}