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iwlwifi/iwl3945 : unify apm stop operation
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Unify the usage of apm_stop_master and apm_stop
across all hardwares.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Abhijeet Kolekar authored and John W. Linville committed Oct 7, 2009
1 parent e932a60 commit d68b603
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Showing 8 changed files with 47 additions and 124 deletions.
2 changes: 1 addition & 1 deletion drivers/net/wireless/iwlwifi/iwl-1000.c
Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ static struct iwl_lib_ops iwl1000_lib = {
.apm_ops = {
.init = iwl5000_apm_init,
.reset = iwl5000_apm_reset,
.stop = iwl5000_apm_stop,
.stop = iwl_apm_stop,
.config = iwl1000_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
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43 changes: 2 additions & 41 deletions drivers/net/wireless/iwlwifi/iwl-3945.c
Original file line number Diff line number Diff line change
Expand Up @@ -1167,48 +1167,9 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
iwl3945_hw_txq_ctx_free(priv);
}

static int iwl3945_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);

iwl_poll_direct_bit(priv, CSR_RESET,
CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);

if (ret < 0)
goto out;

out:
spin_unlock_irqrestore(&priv->lock, flags);
IWL_DEBUG_INFO(priv, "stop master\n");

return ret;
}

static void iwl3945_apm_stop(struct iwl_priv *priv)
{
unsigned long flags;

iwl3945_apm_stop_master(priv);

spin_lock_irqsave(&priv->lock, flags);

iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);

udelay(10);
/* clear "init complete" move adapter D0A* --> D0U state */
iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
spin_unlock_irqrestore(&priv->lock, flags);
}

static int iwl3945_apm_reset(struct iwl_priv *priv)
{
iwl3945_apm_stop_master(priv);
iwl_apm_stop_master(priv);


iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
Expand Down Expand Up @@ -2841,7 +2802,7 @@ static struct iwl_lib_ops iwl3945_lib = {
.apm_ops = {
.init = iwl3945_apm_init,
.reset = iwl3945_apm_reset,
.stop = iwl3945_apm_stop,
.stop = iwl_apm_stop,
.config = iwl3945_nic_config,
.set_pwr_src = iwl3945_set_pwr_src,
},
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38 changes: 2 additions & 36 deletions drivers/net/wireless/iwlwifi/iwl-4965.c
Original file line number Diff line number Diff line change
Expand Up @@ -396,45 +396,11 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}

static int iwl4965_apm_stop_master(struct iwl_priv *priv)
{
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);

iwl_poll_direct_bit(priv, CSR_RESET,
CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);

spin_unlock_irqrestore(&priv->lock, flags);
IWL_DEBUG_INFO(priv, "stop master\n");

return 0;
}

static void iwl4965_apm_stop(struct iwl_priv *priv)
{
unsigned long flags;

iwl4965_apm_stop_master(priv);

spin_lock_irqsave(&priv->lock, flags);

iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);

udelay(10);
/* clear "init complete" move adapter D0A* --> D0U state */
iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
spin_unlock_irqrestore(&priv->lock, flags);
}

static int iwl4965_apm_reset(struct iwl_priv *priv)
{
int ret = 0;

iwl4965_apm_stop_master(priv);
iwl_apm_stop_master(priv);


iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
Expand Down Expand Up @@ -2306,7 +2272,7 @@ static struct iwl_lib_ops iwl4965_lib = {
.apm_ops = {
.init = iwl4965_apm_init,
.reset = iwl4965_apm_reset,
.stop = iwl4965_apm_stop,
.stop = iwl_apm_stop,
.config = iwl4965_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
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46 changes: 3 additions & 43 deletions drivers/net/wireless/iwlwifi/iwl-5000.c
Original file line number Diff line number Diff line change
Expand Up @@ -72,26 +72,6 @@ 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)
{
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);

iwl_poll_direct_bit(priv, CSR_RESET,
CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);

spin_unlock_irqrestore(&priv->lock, flags);
IWL_DEBUG_INFO(priv, "stop master\n");

return 0;
}


int iwl5000_apm_init(struct iwl_priv *priv)
{
int ret = 0;
Expand Down Expand Up @@ -137,31 +117,11 @@ int iwl5000_apm_init(struct iwl_priv *priv)
return ret;
}

/* FIXME: this is identical to 4965 */
void iwl5000_apm_stop(struct iwl_priv *priv)
{
unsigned long flags;

iwl5000_apm_stop_master(priv);

spin_lock_irqsave(&priv->lock, flags);

iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);

udelay(10);

/* clear "init complete" move adapter D0A* --> D0U state */
iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);

spin_unlock_irqrestore(&priv->lock, flags);
}


int iwl5000_apm_reset(struct iwl_priv *priv)
{
int ret = 0;

iwl5000_apm_stop_master(priv);
iwl_apm_stop_master(priv);

iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);

Expand Down Expand Up @@ -1561,7 +1521,7 @@ struct iwl_lib_ops iwl5000_lib = {
.apm_ops = {
.init = iwl5000_apm_init,
.reset = iwl5000_apm_reset,
.stop = iwl5000_apm_stop,
.stop = iwl_apm_stop,
.config = iwl5000_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
Expand Down Expand Up @@ -1613,7 +1573,7 @@ static struct iwl_lib_ops iwl5150_lib = {
.apm_ops = {
.init = iwl5000_apm_init,
.reset = iwl5000_apm_reset,
.stop = iwl5000_apm_stop,
.stop = iwl_apm_stop,
.config = iwl5000_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
Expand Down
2 changes: 1 addition & 1 deletion drivers/net/wireless/iwlwifi/iwl-6000.c
Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ static struct iwl_lib_ops iwl6000_lib = {
.apm_ops = {
.init = iwl5000_apm_init,
.reset = iwl5000_apm_reset,
.stop = iwl5000_apm_stop,
.stop = iwl_apm_stop,
.config = iwl6000_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
Expand Down
36 changes: 36 additions & 0 deletions drivers/net/wireless/iwlwifi/iwl-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -1329,6 +1329,42 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwl_irq_handle_error);

int iwl_apm_stop_master(struct iwl_priv *priv)
{
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);

iwl_poll_direct_bit(priv, CSR_RESET,
CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);

spin_unlock_irqrestore(&priv->lock, flags);
IWL_DEBUG_INFO(priv, "stop master\n");

return 0;
}
EXPORT_SYMBOL(iwl_apm_stop_master);

void iwl_apm_stop(struct iwl_priv *priv)
{
unsigned long flags;

iwl_apm_stop_master(priv);

spin_lock_irqsave(&priv->lock, flags);

iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);

udelay(10);
/* clear "init complete" move adapter D0A* --> D0U state */
iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
spin_unlock_irqrestore(&priv->lock, flags);
}
EXPORT_SYMBOL(iwl_apm_stop);

void iwl_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
Expand Down
3 changes: 2 additions & 1 deletion drivers/net/wireless/iwlwifi/iwl-core.h
Original file line number Diff line number Diff line change
Expand Up @@ -658,6 +658,8 @@ extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
void iwl_apm_stop(struct iwl_priv *priv);
int iwl_apm_stop_master(struct iwl_priv *priv);

void iwl_setup_rxon_timing(struct iwl_priv *priv);
static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
Expand All @@ -677,5 +679,4 @@ static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
{
return priv->hw->wiphy->bands[band];
}

#endif /* __iwl_core_h__ */
1 change: 0 additions & 1 deletion drivers/net/wireless/iwlwifi/iwl-dev.h
Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,6 @@ extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
extern int iwl5000_calc_rssi(struct iwl_priv *priv,
struct iwl_rx_phy_res *rx_resp);
extern int iwl5000_apm_init(struct iwl_priv *priv);
extern void iwl5000_apm_stop(struct iwl_priv *priv);
extern int iwl5000_apm_reset(struct iwl_priv *priv);
extern void iwl5000_nic_config(struct iwl_priv *priv);
extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
Expand Down

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