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iwlagn: move Keep Warm to transport layer 

It is relevant for PCIe only.

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>
This commit is contained in:
Emmanuel Grumbach 2011-08-25 23:11:12 -07:00 committed by John W. Linville
parent dda61a4482
commit 9d6b2cb1cc
3 changed files with 7 additions and 4 deletions
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1
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -1239,7 +1239,6 @@ struct iwl_priv {
/* Tx DMA processing queues */
struct iwl_tx_queue *txq;
unsigned long txq_ctx_active_msk;
struct iwl_dma_ptr kw; /* keep warm address */
/* counts mgmt, ctl, and data packets */
struct traffic_stats tx_stats;

2
drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
View File

@ -95,6 +95,7 @@ struct iwl_rx_queue {
* @trans: pointer to the generic transport area
* @scd_base_addr: scheduler sram base address in SRAM
* @scd_bc_tbls: pointer to the byte count table of the scheduler
* @kw: keep warm address
*/
struct iwl_trans_pcie {
struct iwl_rx_queue rxq;
@ -115,6 +116,7 @@ struct iwl_trans_pcie {
u32 inta_mask;
u32 scd_base_addr;
struct iwl_dma_ptr scd_bc_tbls;
struct iwl_dma_ptr kw;
};
#define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \

8
drivers/net/wireless/iwlwifi/iwl-trans.c
View File

@ -489,7 +489,7 @@ static void iwl_trans_pcie_tx_free(struct iwl_trans *trans)
kfree(priv->txq);
priv->txq = NULL;
iwlagn_free_dma_ptr(trans, &priv->kw);
iwlagn_free_dma_ptr(trans, &trans_pcie->kw);
iwlagn_free_dma_ptr(trans, &trans_pcie->scd_bc_tbls);
}
@ -527,7 +527,7 @@ static int iwl_trans_tx_alloc(struct iwl_trans *trans)
}
/* Alloc keep-warm buffer */
ret = iwlagn_alloc_dma_ptr(trans, &priv->kw, IWL_KW_SIZE);
ret = iwlagn_alloc_dma_ptr(trans, &trans_pcie->kw, IWL_KW_SIZE);
if (ret) {
IWL_ERR(trans, "Keep Warm allocation failed\n");
goto error;
@ -567,6 +567,8 @@ static int iwl_tx_init(struct iwl_trans *trans)
unsigned long flags;
bool alloc = false;
struct iwl_priv *priv = priv(trans);
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
if (!priv->txq) {
ret = iwl_trans_tx_alloc(trans);
@ -581,7 +583,7 @@ static int iwl_tx_init(struct iwl_trans *trans)
iwl_write_prph(priv, SCD_TXFACT, 0);
/* Tell NIC where to find the "keep warm" buffer */
iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4);
iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, trans_pcie->kw.dma >> 4);
spin_unlock_irqrestore(&trans->shrd->lock, flags);