On 22/10/2019, Zhi Chen <zhichen@xxxxxxxxxxxxxx> wrote: > This reverts commit 76d164f582150fd0259ec0fcbc485470bcd8033e. > PCIe hung issue was observed on multiple platforms. The issue was > reproduced > when DUT was configured as AP and associated with 50+ STAs. > > With PCIe protocol analyzer, we can see DMA Read crossing 4KB boundary when > issue happened. It broke PCIe spec and caused PCIe stuck. > > Tested: IPQ8064 + QCA9984 with firmware 10.4-3.10-00047 > QCS404 + QCA9984 with firmware 10.4-3.9.0.2--00044 > Synaptics AS370 + QCA9888 with firmware 10.4-3.9.0.2--00040 > > Signed-off-by: Zhi Chen <zhichen@xxxxxxxxxxxxxx> > --- > drivers/net/wireless/ath/ath10k/hw.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath10k/hw.h > b/drivers/net/wireless/ath/ath10k/hw.h > index 35a3623..17f620b 100644 > --- a/drivers/net/wireless/ath/ath10k/hw.h > +++ b/drivers/net/wireless/ath/ath10k/hw.h > @@ -753,7 +753,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw, > #define TARGET_10X_MAX_FRAG_ENTRIES 0 > > /* 10.2 parameters */ > -#define TARGET_10_2_DMA_BURST_SIZE 0 > +#define TARGET_10_2_DMA_BURST_SIZE 1 > > /* Target specific defines for WMI-TLV firmware */ > #define TARGET_TLV_NUM_VDEVS 4 > @@ -813,7 +813,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw, > > #define TARGET_10_4_TX_DBG_LOG_SIZE 1024 > #define TARGET_10_4_NUM_WDS_ENTRIES 32 > -#define TARGET_10_4_DMA_BURST_SIZE 0 > +#define TARGET_10_4_DMA_BURST_SIZE 1 > #define TARGET_10_4_MAC_AGGR_DELIM 0 > #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1 > #define TARGET_10_4_VOW_CONFIG 0 > -- > 2.7.4 > > > _______________________________________________ > ath10k mailing list > ath10k@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/ath10k > What about main and 10x firmware branch?
