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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2011-06-28 08:58:41 -0700
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2011-07-01 07:57:59 -0700
commit02aca585f58a331288026cf78fd4f4ca404cbe12 (patch)
treef78bddb8d39c6d7ca3e2b4229ecc7cd7e59a6ff7 /drivers/net/wireless/iwlwifi/iwl-agn-tx.c
parenta0f6b0a211fbdfbae603ffa434f0d9e691e55ab9 (diff)
iwlagn: move the tx allocation funcs to the transport layer
These functions allocate all the Tx context. Only the simple tx_init is exported as API. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index d0ac090399e9..c05a8d9fbd2e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -878,96 +878,6 @@ void iwlagn_hw_txq_ctx_free(struct iwl_priv *priv)
}
/**
- * iwlagn_txq_ctx_alloc - allocate TX queue context
- * Allocate all Tx DMA structures and initialize them
- *
- * @param priv
- * @return error code
- */
-int iwlagn_txq_ctx_alloc(struct iwl_priv *priv)
-{
- int ret;
- int txq_id, slots_num;
- unsigned long flags;
-
- /* Free all tx/cmd queues and keep-warm buffer */
- iwlagn_hw_txq_ctx_free(priv);
-
- ret = iwlagn_alloc_dma_ptr(priv, &priv->scd_bc_tbls,
- priv->hw_params.scd_bc_tbls_size);
- if (ret) {
- IWL_ERR(priv, "Scheduler BC Table allocation failed\n");
- goto error_bc_tbls;
- }
- /* Alloc keep-warm buffer */
- ret = iwlagn_alloc_dma_ptr(priv, &priv->kw, IWL_KW_SIZE);
- if (ret) {
- IWL_ERR(priv, "Keep Warm allocation failed\n");
- goto error_kw;
- }
-
- /* allocate tx queue structure */
- ret = iwl_alloc_txq_mem(priv);
- if (ret)
- goto error;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- /* Turn off all Tx DMA fifos */
- iwlagn_txq_set_sched(priv, 0);
-
- /* Tell NIC where to find the "keep warm" buffer */
- iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4);
-
- spin_unlock_irqrestore(&priv->lock, flags);
-
- /* Alloc and init all Tx queues, including the command queue (#4/#9) */
- for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
- slots_num = (txq_id == priv->cmd_queue) ?
- TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
- ret = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num,
- txq_id);
- if (ret) {
- IWL_ERR(priv, "Tx %d queue init failed\n", txq_id);
- goto error;
- }
- }
-
- return ret;
-
- error:
- iwlagn_hw_txq_ctx_free(priv);
- iwlagn_free_dma_ptr(priv, &priv->kw);
- error_kw:
- iwlagn_free_dma_ptr(priv, &priv->scd_bc_tbls);
- error_bc_tbls:
- return ret;
-}
-
-void iwlagn_txq_ctx_reset(struct iwl_priv *priv)
-{
- int txq_id, slots_num;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- /* Turn off all Tx DMA fifos */
- iwlagn_txq_set_sched(priv, 0);
-
- /* Tell NIC where to find the "keep warm" buffer */
- iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4);
-
- spin_unlock_irqrestore(&priv->lock, flags);
-
- /* Alloc and init all Tx queues, including the command queue (#4) */
- for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
- slots_num = txq_id == priv->cmd_queue ?
- TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
- iwl_tx_queue_reset(priv, &priv->txq[txq_id], slots_num, txq_id);
- }
-}
-
-/**
* iwlagn_txq_ctx_stop - Stop all Tx DMA channels
*/
void iwlagn_txq_ctx_stop(struct iwl_priv *priv)