diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-fh.h | 5 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 60769b12b685..ab0b40531989 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -695,6 +695,7 @@ static int iwl4965_alive_notify(struct iwl_priv *priv) unsigned long flags; int ret; int i, chan; + u32 reg_val; spin_lock_irqsave(&priv->lock, flags); @@ -724,6 +725,11 @@ static int iwl4965_alive_notify(struct iwl_priv *priv) FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); + /* Update FH chicken bits */ + reg_val = iwl_read_direct32(priv, FH_TX_CHICKEN_BITS_REG); + iwl_write_direct32(priv, FH_TX_CHICKEN_BITS_REG, + reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN); + /* Disable chain mode for all queues */ iwl_write_prph(priv, IWL49_SCD_QUEUECHAIN_SEL, 0); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index d73760c3f769..a738886b434f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -703,6 +703,7 @@ static int iwl5000_alive_notify(struct iwl_priv *priv) unsigned long flags; int ret; int i, chan; + u32 reg_val; spin_lock_irqsave(&priv->lock, flags); @@ -732,6 +733,11 @@ static int iwl5000_alive_notify(struct iwl_priv *priv) FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); + /* Update FH chicken bits */ + reg_val = iwl_read_direct32(priv, FH_TX_CHICKEN_BITS_REG); + iwl_write_direct32(priv, FH_TX_CHICKEN_BITS_REG, + reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN); + 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-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index bc20acb36aa6..c3dadb03701c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -396,6 +396,11 @@ #define FH_SRVC_CHNL_SRAM_ADDR_REG(_chnl) \ (FH_SRVC_LOWER_BOUND + ((_chnl) - 9) * 0x4) +#define FH_TX_CHICKEN_BITS_REG (FH_MEM_LOWER_BOUND + 0xE98) +/* Instruct FH to increment the retry count of a packet when + * it is brought from the memory to TX-FIFO + */ +#define FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN (0x00000002) /** * struct iwl_rb_status - reseve buffer status |