From 21b04c623ecf901412c15b88d84ee75ec6064a35 Mon Sep 17 00:00:00 2001 From: Helmut Schaa Date: Wed, 18 May 2016 06:09:59 +0200 Subject: [PATCH] ath9k: Fix TX99 support The patch 300-ath9k-force-rx_clear-when-disabling-rx.patch broke TX99 support in ath9k. Fix the patch by only applying rx_clear if TX99 mode is not used. Signed-off-by: Helmut Schaa --- .../300-ath9k-force-rx_clear-when-disabling-rx.patch | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/package/kernel/mac80211/patches/300-ath9k-force-rx_clear-when-disabling-rx.patch b/package/kernel/mac80211/patches/300-ath9k-force-rx_clear-when-disabling-rx.patch index bddb15ad1a6b..9aa9d8bb134f 100644 --- a/package/kernel/mac80211/patches/300-ath9k-force-rx_clear-when-disabling-rx.patch +++ b/package/kernel/mac80211/patches/300-ath9k-force-rx_clear-when-disabling-rx.patch @@ -3,15 +3,16 @@ Date: Sun, 7 Jun 2015 13:53:35 +0200 Subject: [PATCH] ath9k: force rx_clear when disabling rx This makes stopping Rx more reliable and should reduce the frequency of -Rx related DMA stop warnings +Rx related DMA stop warnings. Don't use rx_clear in TX99 mode. Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau +Signed-off-by: Helmut Schaa --- --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c -@@ -677,13 +677,15 @@ void ath9k_hw_startpcureceive(struct ath +@@ -677,13 +677,18 @@ void ath9k_hw_startpcureceive(struct ath ath9k_ani_reset(ah, is_scanning); @@ -24,8 +25,11 @@ Signed-off-by: Felix Fietkau void ath9k_hw_abortpcurecv(struct ath_hw *ah) { - REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS); -+ REG_SET_BIT(ah, AR_DIAG_SW, -+ AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR); ++ u32 reg = AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT; ++ ++ if (!config_enabled(CPTCFG_ATH9K_TX99)) ++ reg |= AR_DIAG_FORCE_RX_CLEAR; ++ REG_SET_BIT(ah, AR_DIAG_SW, reg); ath9k_hw_disable_mib_counters(ah); } -- 2.30.2