diff options
author | Emmanuel Grumbach | 2011-07-07 18:20:01 +0300 |
---|---|---|
committer | Wey-Yi Guy | 2011-07-21 07:27:45 -0700 |
commit | 56d90f4c8ac186a708e6af290d23857ea901ba05 (patch) | |
tree | ad02c112eeb1539f978ccfbc3a58cff8ac2c5fe6 /drivers/net | |
parent | d931998669c3e0e917bd9983880f3498c27de0af (diff) |
iwlagn: add kick_nic API to transport layer
kick_nic means to remove the RESET bit from the embedded CPU
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.guy@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-ucode.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.c | 7 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 5 |
4 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index aebd5c71f9da..89363007ede0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -494,8 +494,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, return ret; } - /* Remove all resets to allow NIC to operate */ - iwl_write32(priv, CSR_RESET, 0); + trans_kick_nic(priv); /* * Some things may run in the background now, but we diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index fddc23627644..d6d6fe92c474 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1245,6 +1245,7 @@ struct iwl_trans; * @send_cmd_pdu:send a host command: flags can be CMD_* * @get_tx_cmd: returns a pointer to a new Tx cmd for the upper layer use * @tx: send an skb + * @kick_nic: remove the RESET from the embedded CPU and let it run * @sync_irq: the upper layer will typically disable interrupt and call this * handler. After this handler returns, it is guaranteed that all * the ISR / tasklet etc... have finished running and the transport @@ -1271,6 +1272,8 @@ struct iwl_trans_ops { struct iwl_tx_cmd *tx_cmd, int txq_id, __le16 fc, bool ampdu, struct iwl_rxon_context *ctx); + void (*kick_nic)(struct iwl_priv *priv); + void (*sync_irq)(struct iwl_priv *priv); void (*free)(struct iwl_priv *priv); }; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c index 7c748f65c86f..639b4692e459 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -952,6 +952,12 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb, return 0; } +static void iwl_trans_kick_nic(struct iwl_priv *priv) +{ + /* Remove all resets to allow NIC to operate */ + iwl_write32(priv, CSR_RESET, 0); +} + static void iwl_trans_sync_irq(struct iwl_priv *priv) { /* wait to make sure we flush pending tasklet*/ @@ -980,6 +986,7 @@ static const struct iwl_trans_ops trans_ops = { .get_tx_cmd = iwl_trans_get_tx_cmd, .tx = iwl_trans_tx, + .kick_nic = iwl_trans_kick_nic, .sync_irq = iwl_trans_sync_irq, .free = iwl_trans_free, diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 16cdb89b02fc..9a950492ca73 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -119,6 +119,11 @@ static inline int trans_tx(struct iwl_priv *priv, struct sk_buff *skb, return priv->trans.ops->tx(priv, skb, tx_cmd, txq_id, fc, ampdu, ctx); } +static inline void trans_kick_nic(struct iwl_priv *priv) +{ + priv->trans.ops->kick_nic(priv); +} + static inline void trans_sync_irq(struct iwl_priv *priv) { priv->trans.ops->sync_irq(priv); |