diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2011-07-08 19:46:12 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-11 23:02:01 +0400 |
| commit | c170b867cc119fb9f6e9cac3a8245a3347bc718c (patch) | |
| tree | 98addc1663a07a9c5173335d3d58dde9229f17c7 /drivers/net/wireless/iwlwifi/iwl-agn-tx.c | |
| parent | c2c52e8bed1a186d060166ec57228e2a123cab2e (diff) | |
| download | linux-c170b867cc119fb9f6e9cac3a8245a3347bc718c.tar.xz | |
iwlagn: add an API for TX stop
Tx stop moves to transport layer.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-tx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index c90c78a081dd..f29b31d73be6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -851,39 +851,6 @@ static inline void iwlagn_free_dma_ptr(struct iwl_priv *priv, memset(ptr, 0, sizeof(*ptr)); } -/** - * iwlagn_txq_ctx_stop - Stop all Tx DMA channels - */ -void iwlagn_txq_ctx_stop(struct iwl_priv *priv) -{ - int ch, txq_id; - unsigned long flags; - - /* Turn off all Tx DMA fifos */ - spin_lock_irqsave(&priv->lock, flags); - - iwlagn_txq_set_sched(priv, 0); - - /* Stop each Tx DMA channel, and wait for it to be idle */ - for (ch = 0; ch < priv->hw_params.dma_chnl_num; ch++) { - iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); - if (iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG, - FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), - 1000)) - IWL_ERR(priv, "Failing on timeout while stopping" - " DMA channel %d [0x%08x]", ch, - iwl_read_direct32(priv, FH_TSSR_TX_STATUS_REG)); - } - spin_unlock_irqrestore(&priv->lock, flags); - - if (!priv->txq) - return; - - /* Unmap DMA from host system and free skb's */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) - iwl_tx_queue_unmap(priv, txq_id); -} - /* * Find first available (lowest unused) Tx Queue, mark it "active". * Called only when finding queue for aggregation. |