diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2011-09-14 23:24:20 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-17 00:45:39 +0400 |
| commit | 60f8cc60fa41b8c44662a3a4d99862e3b81cfa6f (patch) | |
| tree | b8494ca93fd0fbb6ba49a27a103626efdb18fd05 /drivers/net/wireless | |
| parent | 7a2721a3233d32c958a474f78c20e25c9efa221c (diff) | |
| download | linux-60f8cc60fa41b8c44662a3a4d99862e3b81cfa6f.tar.xz | |
ath9k_hw: do not recalculate the descriptor checksum in ar9003_hw_fill_txdesc
Reduces the number of accesses to uncached descriptor memory.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mac.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index d08ab930e430..c3179d9bdc38 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -207,8 +207,7 @@ static void ar9003_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen, ads->ctl3 &= AR_BufLen; /* Fill in pointer checksum and descriptor id */ - ads->ctl10 = ar9003_calc_ptr_chksum(ads); - ads->ctl10 |= (descid << AR_TxDescId_S); + ads->ctl10 = (descid << AR_TxDescId_S); if (is_firstseg) { ads->ctl12 |= (is_lastseg ? 0 : AR_TxMore); |