OpenWrt – Blame information for rev 1

Subversion Repositories:
Rev:
Rev Author Line No. Line
1 office 1 From: Felix Fietkau <nbd@openwrt.org>
2 Date: Sun, 7 Jun 2015 13:53:35 +0200
3 Subject: [PATCH] ath9k: force rx_clear when disabling rx
4  
5 This makes stopping Rx more reliable and should reduce the frequency of
6 Rx related DMA stop warnings. Don't use rx_clear in TX99 mode.
7  
8 Cc: stable@vger.kernel.org
9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
10 Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
11 ---
12  
13 --- a/drivers/net/wireless/ath/ath9k/mac.c
14 +++ b/drivers/net/wireless/ath/ath9k/mac.c
15 @@ -678,13 +678,18 @@ void ath9k_hw_startpcureceive(struct ath
16  
17 ath9k_ani_reset(ah, is_scanning);
18  
19 - REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
20 + REG_CLR_BIT(ah, AR_DIAG_SW,
21 + AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR);
22 }
23 EXPORT_SYMBOL(ath9k_hw_startpcureceive);
24  
25 void ath9k_hw_abortpcurecv(struct ath_hw *ah)
26 {
27 - REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
28 + u32 reg = AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT;
29 +
30 + if (!IS_ENABLED(CPTCFG_ATH9K_TX99))
31 + reg |= AR_DIAG_FORCE_RX_CLEAR;
32 + REG_SET_BIT(ah, AR_DIAG_SW, reg);
33  
34 ath9k_hw_disable_mib_counters(ah);
35 }