summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
diff options
context:
space:
mode:
authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2011-07-08 08:46:12 -0700
committerJohn W. Linville <linville@tuxdriver.com>2011-07-11 15:02:01 -0400
commitc170b867cc119fb9f6e9cac3a8245a3347bc718c (patch)
tree98addc1663a07a9c5173335d3d58dde9229f17c7 /drivers/net/wireless/iwlwifi/iwl-agn-tx.c
parentc2c52e8bed1a186d060166ec57228e2a123cab2e (diff)
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.c33
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.