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| author | Felix Fietkau <nbd@openwrt.org> | 2015-09-13 20:46:00 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-09-13 20:46:00 +0000 |
| commit | 916dfa7c9282abfe9e66b58f83a7da33d74c86c2 (patch) | |
| tree | f4b3491f75775074243d4395fac7c406583d8bad /package | |
| parent | 7c573c8758e941de9337a242855472ef0d4a5d54 (diff) | |
| download | upstream-916dfa7c9282abfe9e66b58f83a7da33d74c86c2.tar.gz upstream-916dfa7c9282abfe9e66b58f83a7da33d74c86c2.tar.bz2 upstream-916dfa7c9282abfe9e66b58f83a7da33d74c86c2.zip | |
ath10k: reduce dma burst size on newer firmware to fix crashes
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Backport of r46900
git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@46901 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
| -rw-r--r-- | package/kernel/mac80211/patches/396-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/396-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch b/package/kernel/mac80211/patches/396-ath10k-fix-DMA-related-firmware-crashes-on-multiple-.patch new file mode 100644 index 0000000000..f7b3e40b66 --- /dev/null +++ b/package/kernel/mac80211/patches/396-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 |