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ath9k: Fix TX99 support

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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>
This commit is contained in:
Helmut Schaa 2016-05-18 06:09:59 +02:00 committed by Felix Fietkau
parent 262cec2fb8
commit 21b04c623e
1 changed files with 8 additions and 4 deletions
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12
package/kernel/mac80211/patches/300-ath9k-force-rx_clear-when-disabling-rx.patch
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@ -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);
}