diff options
| author | Winkler, Tomas <tomas.winkler@intel.com> | 2008-11-19 15:32:26 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-11-26 09:47:39 -0500 |
| commit | 31a73fe4f3284d94d52774c285e9e98a5f441d21 (patch) | |
| tree | 0b0b706bd575a83ea835ade19b730a0acd7118f0 /drivers/net/wireless | |
| parent | 25e35a56d5f4795cf52cdd0830a91e3103396cfe (diff) | |
iwlwifi: TX setup fix confusion between TX queue and TX DMA channel
This patch configures correctly TX DMA channel. It is not
the same as TX queue.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-tx.c | 5 |
3 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index b96f5534138..60769b12b68 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -692,9 +692,9 @@ static const u16 default_queue_to_tx_fifo[] = { static int iwl4965_alive_notify(struct iwl_priv *priv) { u32 a; - int i = 0; unsigned long flags; int ret; + int i, chan; spin_lock_irqsave(&priv->lock, flags); @@ -718,6 +718,12 @@ static int iwl4965_alive_notify(struct iwl_priv *priv) iwl_write_prph(priv, IWL49_SCD_DRAM_BASE_ADDR, priv->scd_bc_tbls.dma >> 10); + /* Enable DMA channel */ + for (chan = 0; chan < FH49_TCSR_CHNL_NUM ; chan++) + iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan), + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); + /* Disable chain mode for all queues */ iwl_write_prph(priv, IWL49_SCD_QUEUECHAIN_SEL, 0); @@ -748,7 +754,7 @@ static int iwl4965_alive_notify(struct iwl_priv *priv) (1 << priv->hw_params.max_txq_num) - 1); /* Activate all Tx DMA/FIFO channels */ - priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7)); + priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 6)); iwl4965_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 478c5c3674e..d73760c3f76 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -700,9 +700,9 @@ static int iwl5000_send_wimax_coex(struct iwl_priv *priv) static int iwl5000_alive_notify(struct iwl_priv *priv) { u32 a; - int i = 0; unsigned long flags; int ret; + int i, chan; spin_lock_irqsave(&priv->lock, flags); @@ -725,6 +725,13 @@ static int iwl5000_alive_notify(struct iwl_priv *priv) iwl_write_prph(priv, IWL50_SCD_DRAM_BASE_ADDR, priv->scd_bc_tbls.dma >> 10); + + /* Enable DMA channel */ + for (chan = 0; chan < FH50_TCSR_CHNL_NUM ; chan++) + iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan), + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); + iwl_write_prph(priv, IWL50_SCD_QUEUECHAIN_SEL, IWL50_SCD_QUEUECHAIN_SEL_ALL(priv->hw_params.max_txq_num)); iwl_write_prph(priv, IWL50_SCD_AGGR_SEL, 0); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 9f0705bcd03..e045dfeaa1f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -449,11 +449,6 @@ static int iwl_hw_tx_queue_init(struct iwl_priv *priv, iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id), txq->q.dma_addr >> 8); - /* Enable DMA channel, using same id as for TFD queue */ - iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); - iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); |