diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2014-03-12 16:01:07 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-03-12 16:01:07 +0100 |
| commit | ffb12cf002edbc5927079f51bebde428d601f723 (patch) | |
| tree | 1f04d80df9db8883037d59c81f5836770eecfdc6 /drivers/net/wireless/ath/ath9k/hw.c | |
| parent | 1a75b8e64571a85d5e648cfdf4c40e0d9923abc5 (diff) | |
| parent | c1bacbae8192dd2a9ebadd22d793b68054f6c6e5 (diff) | |
Merge branch 'irq/for-gpio' into irq/core
Merge the request/release callbacks which are in a separate branch for
consumption by the gpio folks.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 11eab9f01fd..303ce27964c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1534,7 +1534,7 @@ EXPORT_SYMBOL(ath9k_hw_check_nav); bool ath9k_hw_check_alive(struct ath_hw *ah) { int count = 50; - u32 reg; + u32 reg, last_val; if (AR_SREV_9300(ah)) return !ath9k_hw_detect_mac_hang(ah); @@ -1542,9 +1542,13 @@ bool ath9k_hw_check_alive(struct ath_hw *ah) if (AR_SREV_9285_12_OR_LATER(ah)) return true; + last_val = REG_READ(ah, AR_OBS_BUS_1); do { reg = REG_READ(ah, AR_OBS_BUS_1); + if (reg != last_val) + return true; + last_val = reg; if ((reg & 0x7E7FFFEF) == 0x00702400) continue; @@ -1556,6 +1560,8 @@ bool ath9k_hw_check_alive(struct ath_hw *ah) default: return true; } + + udelay(1); } while (count-- > 0); return false; |