From 79de23751a79a1270e45559296256ecb3dd35e12 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 15 Apr 2010 17:39:31 -0400 Subject: [PATCH] ath9k_hw: enable CRC check of descriptors for AR9003 Enable CRC check on the descriptor fetched from host on AR9003 upon reseting the TX queue. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/mac.c | 3 +++ drivers/net/wireless/ath/ath9k/reg.h | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 05159584a54..44ea43a143d 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -569,6 +569,9 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) AR_D_MISC_POST_FR_BKOFF_DIS); } + if (AR_SREV_9300_20_OR_LATER(ah)) + REG_WRITE(ah, AR_Q_DESC_CRCCHK, AR_Q_DESC_CRCCHK_EN); + if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE) ah->txok_interrupt_mask |= 1 << q; else diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index ff8914049c5..d4371a43bda 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -478,6 +478,10 @@ #define AR_Q_RDYTIMESHDN 0x0a40 #define AR_Q_RDYTIMESHDN_M 0x000003FF +/* MAC Descriptor CRC check */ +#define AR_Q_DESC_CRCCHK 0xa44 +/* Enable CRC check on the descriptor fetched from host */ +#define AR_Q_DESC_CRCCHK_EN 1 #define AR_NUM_DCU 10 #define AR_DCU_0 0x0001 -- 2.46.0