552-ath9k_rx_dma_stop_check.patch « patches « mac80211 « package - openwrt/upstream - upstream openwrt

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--- a/drivers/net/wireless/ath/ath

class="gd">- u32 mac_status, last_mac_status = 0; + u32 mac_status = 0, last_mac_status = 0; int i; /* Enable access to the DMA observation bus */ @@ -735,6 +735,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw } if (i == 0) { + if (!AR_SREV_9300_20_OR_LATER(ah) && + (mac_status & 0x700) == 0) { + /* + * DMA is idle but the MAC is still stuck + * processing events + */ + *reset = true; + return true; + } + ath_err(common, "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n", AH_RX_STOP_DMA_TIMEOUT / 1000,