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-rw-r--r--package/kernel/mac80211/patches/367-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/367-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch b/package/kernel/mac80211/patches/367-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch
new file mode 100644
index 0000000000..f7b3e40b66
--- /dev/null
+++ b/package/kernel/mac80211/patches/367-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch
@@ -0,0 +1,24 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Sun, 13 Sep 2015 22:26:10 +0200
+Subject: [PATCH] ath10k: fix DMA related firmware crashes on multiple devices
+
+Some platforms really don't like DMA bursts of 256 bytes, and this
+causes the firmware to crash when sending beacons.
+Also, changing this based on the firmware version does not seem to make
+much sense, so use 128 bytes for all versions.
+
+Cc: stable@vger.kernel.org
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/drivers/net/wireless/ath/ath10k/hw.h
++++ b/drivers/net/wireless/ath/ath10k/hw.h
+@@ -253,7 +253,7 @@ struct ath10k_pktlog_hdr {
+ #define TARGET_10X_MAX_FRAG_ENTRIES 0
+
+ /* 10.2 parameters */
+-#define TARGET_10_2_DMA_BURST_SIZE 1
++#define TARGET_10_2_DMA_BURST_SIZE 0
+
+ /* Target specific defines for WMI-TLV firmware */
+ #define TARGET_TLV_NUM_VDEVS 3