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authorDavid S. Miller <davem@davemloft.net>2014-03-06 05:32:02 +0400
committerDavid S. Miller <davem@davemloft.net>2014-03-06 05:32:02 +0400
commit67ddc87f162e2d0e29db2b6b21c5a3fbcb8be206 (patch)
treec83ac73e3d569156d4b7f3dab3e7e27e0054cd0d /drivers/net/wireless/ath/ath9k/hw.c
parent6092c79fd00ce48ee8698955ea6419cc5cd65641 (diff)
parentc3bebc71c4bcdafa24b506adf0c1de3c1f77e2e0 (diff)
downloadlinux-67ddc87f162e2d0e29db2b6b21c5a3fbcb8be206.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/wireless/ath/ath9k/recv.c drivers/net/wireless/mwifiex/pcie.c net/ipv6/sit.c The SIT driver conflict consists of a bug fix being done by hand in 'net' (missing u64_stats_init()) whilst in 'net-next' a helper was created (netdev_alloc_pcpu_stats()) which takes care of this. The two wireless conflicts were overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c8
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 5db01b4212c8..2509c2ff0828 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1533,7 +1533,7 @@ 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);
@@ -1541,9 +1541,13 @@ 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;
@@ -1555,6 +1559,8 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
default:
return true;
}
+
+ udelay(1);
} while (count-- > 0);
return false;