34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
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From: Felix Fietkau <nbd@openwrt.org>
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Date: Sun, 13 Sep 2015 22:26:10 +0200
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Subject: [PATCH] ath10k: fix DMA related firmware crashes on multiple devices
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Some platforms really don't like DMA bursts of 256 bytes, and this
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causes the firmware to crash when sending beacons.
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Also, changing this based on the firmware version does not seem to make
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much sense, so use 128 bytes for all versions.
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Cc: stable@vger.kernel.org
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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---
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--- a/drivers/net/wireless/ath/ath10k/hw.h
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+++ b/drivers/net/wireless/ath/ath10k/hw.h
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@@ -340,7 +340,7 @@ enum ath10k_hw_rate_cck {
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#define TARGET_10X_MAX_FRAG_ENTRIES 0
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/* 10.2 parameters */
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-#define TARGET_10_2_DMA_BURST_SIZE 1
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+#define TARGET_10_2_DMA_BURST_SIZE 0
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/* Target specific defines for WMI-TLV firmware */
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#define TARGET_TLV_NUM_VDEVS 4
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@@ -397,7 +397,7 @@ enum ath10k_hw_rate_cck {
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#define TARGET_10_4_TX_DBG_LOG_SIZE 1024
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#define TARGET_10_4_NUM_WDS_ENTRIES 32
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-#define TARGET_10_4_DMA_BURST_SIZE 1
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+#define TARGET_10_4_DMA_BURST_SIZE 0
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#define TARGET_10_4_MAC_AGGR_DELIM 0
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#define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1
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#define TARGET_10_4_VOW_CONFIG 0
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