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authorHelmut Schaa <helmut.schaa@googlemail.com>2016-05-18 06:09:59 +0200
committerFelix Fietkau <nbd@nbd.name>2016-05-18 15:00:02 +0200
commit21b04c623ecf901412c15b88d84ee75ec6064a35 (patch)
treee4f79b8dae48deed096fdf49d4771c9e98a1a021 /package/kernel/mac80211
parent262cec2fb83845672605c1b2c94f6b5b12715e01 (diff)
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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 <helmut.schaa@googlemail.com>
Diffstat (limited to 'package/kernel/mac80211')
-rw-r--r--package/kernel/mac80211/patches/300-ath9k-force-rx_clear-when-disabling-rx.patch12
1 files 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 bddb15a..9aa9d8b 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 <nbd@openwrt.org>
+Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
---
--- 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 <nbd@openwrt.org>
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);
}