diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/rx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/rx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index ea9e9915ad35..96013030fcc7 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -455,6 +455,10 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq) /* Stop Rx DMA */ iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); + /* reset and flush pointers */ + iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_RBDCB_WPTR, 0); + iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_FLUSH_RB_REQ, 0); + iwl_write_direct32(trans, FH_RSCSR_CHNL0_RDPTR, 0); /* Reset driver's Rx queue write index */ iwl_write_direct32(trans, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); @@ -491,7 +495,6 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - int i, err; unsigned long flags; @@ -518,6 +521,7 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) rxq->read = rxq->write = 0; rxq->write_actual = 0; rxq->free_count = 0; + memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts)); spin_unlock_irqrestore(&rxq->lock, flags); iwl_pcie_rx_replenish(trans); |