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authorJohn W. Linville <linville@tuxdriver.com>2012-02-21 15:06:35 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-02-21 15:06:35 -0500
commita9802d43f205faa2fff422502a1336a50b9615c3 (patch)
tree57152d6c84556320570802d01bbe04cefd8a2a7d /drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
parent0b0a635f79f91f3755b6518627ea06dd0dbfd523 (diff)
parentca994a36f585432458ead9133fcfe05440edbb7b (diff)
downloadop-kernel-dev-a9802d43f205faa2fff422502a1336a50b9615c3.zip
op-kernel-dev-a9802d43f205faa2fff422502a1336a50b9615c3.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c55
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
index dfc75c1..a8dfeca 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
@@ -100,7 +100,7 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
if (hw_params(trans).shadow_reg_enable) {
/* shadow register enabled */
- iwl_write32(bus(trans), HBUS_TARG_WRPTR,
+ iwl_write32(trans, HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
} else {
/* if we're trying to save power */
@@ -108,18 +108,18 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
/* wake up nic if it's powered down ...
* uCode will wake up, and interrupt us again, so next
* time we'll skip this part. */
- reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1);
+ reg = iwl_read32(trans, CSR_UCODE_DRV_GP1);
if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
IWL_DEBUG_INFO(trans,
"Tx queue %d requesting wakeup,"
" GP1 = 0x%x\n", txq_id, reg);
- iwl_set_bit(bus(trans), CSR_GP_CNTRL,
+ iwl_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
return;
}
- iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR,
+ iwl_write_direct32(trans, HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
/*
@@ -128,7 +128,7 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
* trying to tx (during RFKILL, we're not trying to tx).
*/
} else
- iwl_write32(bus(trans), HBUS_TARG_WRPTR,
+ iwl_write32(trans, HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
}
txq->need_update = 0;
@@ -190,14 +190,14 @@ static void iwlagn_unmap_tfd(struct iwl_trans *trans, struct iwl_cmd_meta *meta,
/* Unmap tx_cmd */
if (num_tbs)
- dma_unmap_single(bus(trans)->dev,
+ dma_unmap_single(trans->dev,
dma_unmap_addr(meta, mapping),
dma_unmap_len(meta, len),
DMA_BIDIRECTIONAL);
/* Unmap chunks, if any. */
for (i = 1; i < num_tbs; i++)
- dma_unmap_single(bus(trans)->dev, iwl_tfd_tb_get_addr(tfd, i),
+ dma_unmap_single(trans->dev, iwl_tfd_tb_get_addr(tfd, i),
iwl_tfd_tb_get_len(tfd, i), dma_dir);
}
@@ -383,14 +383,14 @@ static int iwlagn_tx_queue_set_q2ratid(struct iwl_trans *trans, u16 ra_tid,
tbl_dw_addr = trans_pcie->scd_base_addr +
SCD_TRANS_TBL_OFFSET_QUEUE(txq_id);
- tbl_dw = iwl_read_targ_mem(bus(trans), tbl_dw_addr);
+ tbl_dw = iwl_read_targ_mem(trans, tbl_dw_addr);
if (txq_id & 0x1)
tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF);
else
tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000);
- iwl_write_targ_mem(bus(trans), tbl_dw_addr, tbl_dw);
+ iwl_write_targ_mem(trans, tbl_dw_addr, tbl_dw);
return 0;
}
@@ -399,7 +399,7 @@ static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id)
{
/* Simply stop the queue, but don't change any configuration;
* the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
- iwl_write_prph(bus(trans),
+ iwl_write_prph(trans,
SCD_QUEUE_STATUS_BITS(txq_id),
(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
@@ -409,9 +409,9 @@ void iwl_trans_set_wr_ptrs(struct iwl_trans *trans,
int txq_id, u32 index)
{
IWL_DEBUG_TX_QUEUES(trans, "Q %d WrPtr: %d", txq_id, index & 0xff);
- iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR,
+ iwl_write_direct32(trans, HBUS_TARG_WRPTR,
(index & 0xff) | (txq_id << 8));
- iwl_write_prph(bus(trans), SCD_QUEUE_RDPTR(txq_id), index);
+ iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), index);
}
void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
@@ -423,7 +423,7 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
int active =
test_bit(txq_id, &trans_pcie->txq_ctx_active_msk) ? 1 : 0;
- iwl_write_prph(bus(trans), SCD_QUEUE_STATUS_BITS(txq_id),
+ iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
(active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
(tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) |
(1 << SCD_QUEUE_STTS_REG_POS_WSL) |
@@ -431,9 +431,12 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
txq->sched_retry = scd_retry;
- IWL_DEBUG_TX_QUEUES(trans, "%s %s Queue %d on FIFO %d\n",
- active ? "Activate" : "Deactivate",
- scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id);
+ if (active)
+ IWL_DEBUG_TX_QUEUES(trans, "Activate %s Queue %d on FIFO %d\n",
+ scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id);
+ else
+ IWL_DEBUG_TX_QUEUES(trans, "Deactivate %s Queue %d\n",
+ scd_retry ? "BA" : "AC/CMD", txq_id);
}
static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie,
@@ -498,10 +501,10 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
iwlagn_tx_queue_set_q2ratid(trans, ra_tid, txq_id);
/* Set this queue as a chain-building queue */
- iwl_set_bits_prph(bus(trans), SCD_QUEUECHAIN_SEL, (1<<txq_id));
+ iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, (1<<txq_id));
/* enable aggregations for the queue */
- iwl_set_bits_prph(bus(trans), SCD_AGGR_SEL, (1<<txq_id));
+ iwl_set_bits_prph(trans, SCD_AGGR_SEL, (1<<txq_id));
/* Place first TFD at index corresponding to start sequence number.
* Assumes that ssn_idx is valid (!= 0xFFF) */
@@ -510,7 +513,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
iwl_trans_set_wr_ptrs(trans, txq_id, ssn);
/* Set up Tx window size and frame limit for this queue */
- iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr +
+ iwl_write_targ_mem(trans, trans_pcie->scd_base_addr +
SCD_CONTEXT_QUEUE_OFFSET(txq_id) +
sizeof(u32),
((frame_limit <<
@@ -520,7 +523,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
- iwl_set_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id));
+ iwl_set_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id));
/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
@@ -584,7 +587,7 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid)
iwlagn_tx_queue_stop_scheduler(trans, txq_id);
- iwl_clear_bits_prph(bus(trans), SCD_AGGR_SEL, (1 << txq_id));
+ iwl_clear_bits_prph(trans, SCD_AGGR_SEL, (1 << txq_id));
trans_pcie->agg_txq[sta_id][tid] = 0;
trans_pcie->txq[txq_id].q.read_ptr = 0;
@@ -592,7 +595,7 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid)
/* supposes that ssn_idx is valid (!= 0xFFF) */
iwl_trans_set_wr_ptrs(trans, txq_id, 0);
- iwl_clear_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id));
+ iwl_clear_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id));
iwl_txq_ctx_deactivate(trans_pcie, txq_id);
iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], 0, 0);
return 0;
@@ -725,9 +728,9 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
le16_to_cpu(out_cmd->hdr.sequence), cmd_size,
q->write_ptr, idx, trans->shrd->cmd_queue);
- phys_addr = dma_map_single(bus(trans)->dev, &out_cmd->hdr, copy_size,
+ phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, copy_size,
DMA_BIDIRECTIONAL);
- if (unlikely(dma_mapping_error(bus(trans)->dev, phys_addr))) {
+ if (unlikely(dma_mapping_error(trans->dev, phys_addr))) {
idx = -ENOMEM;
goto out;
}
@@ -748,10 +751,10 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
continue;
if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY))
continue;
- phys_addr = dma_map_single(bus(trans)->dev,
+ phys_addr = dma_map_single(trans->dev,
(void *)cmd->data[i],
cmd->len[i], DMA_BIDIRECTIONAL);
- if (dma_mapping_error(bus(trans)->dev, phys_addr)) {
+ if (dma_mapping_error(trans->dev, phys_addr)) {
iwlagn_unmap_tfd(trans, out_meta,
&txq->tfds[q->write_ptr],
DMA_BIDIRECTIONAL);
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