diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/queue/tx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/queue/tx.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c index 833f43d1ca7a..810dcb3df242 100644 --- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c @@ -14,30 +14,6 @@ #include <linux/dmapool.h> /* - * iwl_txq_gen2_tx_stop - Stop all Tx DMA channels - */ -void iwl_txq_gen2_tx_stop(struct iwl_trans *trans) -{ - int txq_id; - - /* - * This function can be called before the op_mode disabled the - * queues. This happens when we have an rfkill interrupt. - * Since we stop Tx altogether - mark the queues as stopped. - */ - memset(trans->txqs.queue_stopped, 0, - sizeof(trans->txqs.queue_stopped)); - memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used)); - - /* Unmap DMA from host system and free skb's */ - for (txq_id = 0; txq_id < ARRAY_SIZE(trans->txqs.txq); txq_id++) { - if (!trans->txqs.txq[txq_id]) - continue; - iwl_txq_gen2_unmap(trans, txq_id); - } -} - -/* * iwl_txq_update_byte_tbl - Set up entry in Tx byte-count array */ static void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans *trans, @@ -1189,6 +1165,12 @@ static int iwl_txq_alloc_response(struct iwl_trans *trans, struct iwl_txq *txq, goto error_free_resp; } + if (WARN_ONCE(trans->txqs.txq[qid], + "queue %d already allocated\n", qid)) { + ret = -EIO; + goto error_free_resp; + } + txq->id = qid; trans->txqs.txq[qid] = txq; wr_ptr &= (trans->trans_cfg->base_params->max_tfd_queue_size - 1); |