35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From: Felix Fietkau <nbd@openwrt.org>
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Date: Sun, 7 Jun 2015 13:53:35 +0200
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Subject: [PATCH] ath9k: force rx_clear when disabling rx
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This makes stopping Rx more reliable and should reduce the frequency of
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Rx related DMA stop warnings. Don't use rx_clear in TX99 mode.
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Cc: stable@vger.kernel.org
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
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---
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--- a/drivers/net/wireless/ath/ath9k/mac.c
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+++ b/drivers/net/wireless/ath/ath9k/mac.c
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@@ -678,13 +678,18 @@ void ath9k_hw_startpcureceive(struct ath
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ath9k_ani_reset(ah, is_scanning);
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- REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
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+ REG_CLR_BIT(ah, AR_DIAG_SW,
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+ AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR);
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}
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EXPORT_SYMBOL(ath9k_hw_startpcureceive);
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void ath9k_hw_abortpcurecv(struct ath_hw *ah)
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{
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- REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
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+ u32 reg = AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT;
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+
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+ if (!IS_ENABLED(CPTCFG_ATH9K_TX99))
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+ reg |= AR_DIAG_FORCE_RX_CLEAR;
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+ REG_SET_BIT(ah, AR_DIAG_SW, reg);
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ath9k_hw_disable_mib_counters(ah);
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}
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