diff options
| author | Winkler, Tomas <tomas.winkler@intel.com> | 2008-11-20 00:32:27 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-11-26 15:47:39 +0100 |
| commit | 40fc95d57caf258e20282f6526b695426d65a73a (patch) | |
| tree | a851f2787c69806daae6b0e21f057bc14021637e /drivers/net/wireless/iwlwifi/iwl-4965.c | |
| parent | iwlwifi: TX setup fix confusion between TX queue and TX DMA channel (diff) | |
| download | linux-40fc95d57caf258e20282f6526b695426d65a73a.tar.xz linux-40fc95d57caf258e20282f6526b695426d65a73a.zip | |
iwlwifi: TX update chicken bits
This instructs FH to increment the retry count of a packet when
it is brought from the memory to TX-FIFO to save transactions
during aggregation flow.
Signed-off-by: Tomas Winkler <tomas.winkler@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/iwlwifi/iwl-4965.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 6 |
1 files changed, 6 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); |