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authorFelix Fietkau <nbd@openwrt.org>2011-04-10 01:10:20 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-13 00:59:06 +0400
commit488a50176c169eb36544b4f970c8bba68ede30a1 (patch)
tree0cf588a0bd781024b784d6a2982c8f4732ba6fcd /drivers/net/wireless/ath/ath5k/qcu.c
parenta27049e2c926bcf68360532a5ae66e408296ae85 (diff)
downloadlinux-488a50176c169eb36544b4f970c8bba68ede30a1.tar.xz
ath5k: fix SIFS time handling
ath5k uses 8 usec as a sifs time, extracted from the initvals, whereas the standard requires a sifs time of 10. The difference originates from the fact that the SIFS register has an offset of 2 usec. Fix the SIFS time definition to use the standard value of 10 usec and subtract 2 usecs when writing the SIFS register. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/qcu.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/qcu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c
index 93abcfacd990..b18c5021aac3 100644
--- a/drivers/net/wireless/ath/ath5k/qcu.c
+++ b/drivers/net/wireless/ath/ath5k/qcu.c
@@ -519,7 +519,7 @@ int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time)
return -EINVAL;
sifs = ath5k_hw_get_default_sifs(ah);
- sifs_clock = ath5k_hw_htoclock(ah, sifs);
+ sifs_clock = ath5k_hw_htoclock(ah, sifs - 2);
/* EIFS
* Txtime of ack at lowest rate + SIFS + DIFS