| |
| |
| @@ -689,7 +689,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw |
| { |
| #define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */ |
| struct ath_common *common = ath9k_hw_common(ah); |
| - u32 mac_status, last_mac_status = 0; |
| + u32 mac_status = 0, last_mac_status = 0; |
| int i; |
| |
| /* Enable access to the DMA observation bus */ |
| @@ -719,6 +719,16 @@ 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, |