2012-02-14 08:39:26

by Sujith Manoharan

[permalink] [raw]
Subject: [PATCH 4/4] ath9k: Fix descriptor length for AR9462

The TX descriptor length is 24 for AR9462. Fix this.

Signed-off-by: Sujith Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/ar9003_mac.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 09b8c9d..3ddf221 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -28,11 +28,14 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
struct ar9003_txc *ads = ds;
int checksum = 0;
u32 val, ctl12, ctl17;
+ u8 desc_len;
+
+ desc_len = (AR_SREV_9462(ah) ? 0x18 : 0x17);

val = (ATHEROS_VENDOR_ID << AR_DescId_S) |
(1 << AR_TxRxDesc_S) |
(1 << AR_CtrlStat_S) |
- (i->qcu << AR_TxQcuNum_S) | 0x17;
+ (i->qcu << AR_TxQcuNum_S) | desc_len;

checksum += val;
ACCESS_ONCE(ads->info) = val;
--
1.7.9