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authorTomas Winkler <tomas.winkler@intel.com>2008-05-29 16:34:59 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-06-03 15:00:20 -0400
commit46315e012236af887cf442fd494a91b1d36858b9 (patch)
treedce2020ca64e6ef8b445ed09fe98ed0ff0522d4a /drivers/net
parentf118a91d16127e461cc8c17c529306910f13a8b1 (diff)
iwlwifi: refactor stop master function
This patch refactors stop master function for 4965 and 5000. Currently it duplicates the function. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c60
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c29
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h1
3 files changed, 52 insertions, 38 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 080fc54db15..c5864903f5e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -579,39 +579,6 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
-int iwl4965_hw_nic_stop_master(struct iwl_priv *priv)
-{
- int rc = 0;
- u32 reg_val;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- /* set stop master bit */
- iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
-
- reg_val = iwl_read32(priv, CSR_GP_CNTRL);
-
- if (CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE ==
- (reg_val & CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE))
- IWL_DEBUG_INFO("Card in power save, master is already "
- "stopped\n");
- else {
- rc = iwl_poll_bit(priv, CSR_RESET,
- CSR_RESET_REG_FLAG_MASTER_DISABLED,
- CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
- if (rc < 0) {
- spin_unlock_irqrestore(&priv->lock, flags);
- return rc;
- }
- }
-
- spin_unlock_irqrestore(&priv->lock, flags);
- IWL_DEBUG_INFO("stop master\n");
-
- return rc;
-}
-
/**
* iwl4965_hw_txq_ctx_stop - Stop all Tx DMA channels, free Tx queue memory
*/
@@ -642,11 +609,34 @@ void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv)
iwl_hw_txq_ctx_free(priv);
}
+static int iwl4965_apm_stop_master(struct iwl_priv *priv)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ /* set stop master bit */
+ iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
+
+ ret = iwl_poll_bit(priv, CSR_RESET,
+ CSR_RESET_REG_FLAG_MASTER_DISABLED,
+ CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
+ if (ret < 0)
+ goto out;
+
+out:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ IWL_DEBUG_INFO("stop master\n");
+
+ return ret;
+}
+
static void iwl4965_apm_stop(struct iwl_priv *priv)
{
unsigned long flags;
- iwl4965_hw_nic_stop_master(priv);
+ iwl4965_apm_stop_master(priv);
spin_lock_irqsave(&priv->lock, flags);
@@ -663,7 +653,7 @@ static int iwl4965_apm_reset(struct iwl_priv *priv)
int ret = 0;
unsigned long flags;
- iwl4965_hw_nic_stop_master(priv);
+ iwl4965_apm_stop_master(priv);
spin_lock_irqsave(&priv->lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 27cfe3c9a58..d6074522c44 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -56,6 +56,31 @@ static const u16 iwl5000_default_queue_to_tx_fifo[] = {
IWL_TX_FIFO_HCCA_2
};
+/* FIXME: same implementation as 4965 */
+static int iwl5000_apm_stop_master(struct iwl_priv *priv)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ /* set stop master bit */
+ iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
+
+ ret = iwl_poll_bit(priv, CSR_RESET,
+ CSR_RESET_REG_FLAG_MASTER_DISABLED,
+ CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
+ if (ret < 0)
+ goto out;
+
+out:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ IWL_DEBUG_INFO("stop master\n");
+
+ return ret;
+}
+
+
static int iwl5000_apm_init(struct iwl_priv *priv)
{
int ret = 0;
@@ -105,7 +130,7 @@ static void iwl5000_apm_stop(struct iwl_priv *priv)
{
unsigned long flags;
- iwl4965_hw_nic_stop_master(priv);
+ iwl5000_apm_stop_master(priv);
spin_lock_irqsave(&priv->lock, flags);
@@ -124,7 +149,7 @@ static int iwl5000_apm_reset(struct iwl_priv *priv)
int ret = 0;
unsigned long flags;
- iwl4965_hw_nic_stop_master(priv);
+ iwl5000_apm_stop_master(priv);
spin_lock_irqsave(&priv->lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index d193da3a635..44bd827a8bc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -686,7 +686,6 @@ extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv);
extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv);
extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv);
extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv);
-extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv);
extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv);
extern int iwl4965_hw_get_temperature(struct iwl_priv *priv);
extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,