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iwlagn: move iwlagn_stop_device to transport layer

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Since iwlagn_stop_device was the only caller to the rx_stop / tx_stop,
these two don't need to be API any more.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.guy@intel.com>
This commit is contained in:
Emmanuel Grumbach 2011-07-07 14:37:26 +03:00 committed by Wey-Yi Guy
parent 253a634ccd
commit ab6cf8e816
8 changed files with 53 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View File

@ -2166,42 +2166,3 @@ int iwlagn_start_device(struct iwl_priv *priv)
return 0;
}
void iwlagn_stop_device(struct iwl_priv *priv)
{
unsigned long flags;
/* stop and reset the on-board processor */
iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
/* tell the device to stop sending interrupts */
spin_lock_irqsave(&priv->lock, flags);
iwl_disable_interrupts(priv);
spin_unlock_irqrestore(&priv->lock, flags);
trans_sync_irq(priv);
/* device going down, Stop using ICT table */
iwl_disable_ict(priv);
/*
* If a HW restart happens during firmware loading,
* then the firmware loading might call this function
* and later it might be called again due to the
* restart. So don't process again if the device is
* already dead.
*/
if (test_bit(STATUS_DEVICE_ENABLED, &priv->status)) {
trans_tx_stop(priv);
trans_rx_stop(priv);
/* Power-down device's busmaster DMA clocks */
iwl_write_prph(priv, APMG_CLK_DIS_REG,
APMG_CLK_VAL_DMA_CLK_RQT);
udelay(5);
}
/* Make sure (redundant) we've released our request to stay awake */
iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
/* Stop the device, and put it in low power state */
iwl_apm_stop(priv);
}

2
drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
View File

@ -707,6 +707,6 @@ int iwlagn_run_init_ucode(struct iwl_priv *priv)
iwlagn_remove_notification(priv, &calib_wait);
out:
/* Whatever happened, stop the device */
iwlagn_stop_device(priv);
trans_stop_device(priv);
return ret;
}

2
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -1782,7 +1782,7 @@ static void __iwl_down(struct iwl_priv *priv)
test_bit(STATUS_EXIT_PENDING, &priv->status) <<
STATUS_EXIT_PENDING;
iwlagn_stop_device(priv);
trans_stop_device(priv);
dev_kfree_skb(priv->beacon_skb);
priv->beacon_skb = NULL;

1
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -129,7 +129,6 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
int iwl_prepare_card_hw(struct iwl_priv *priv);
int iwlagn_start_device(struct iwl_priv *priv);
void iwlagn_stop_device(struct iwl_priv *priv);
/* tx queue */
void iwlagn_set_wr_ptrs(struct iwl_priv *priv,

7
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -1236,11 +1236,10 @@ struct iwl_trans;
* struct iwl_trans_ops - transport specific operations
* @rx_init: inits the rx memory, allocate it if needed
* @rx_stop: stop the rx
* @rx_free: frees the rx memory
* @tx_init:inits the tx memory, allocate if needed
* @tx_stop: stop the tx
* @tx_free: frees the tx memory
* @stop_device:stops the whole device (embedded CPU put to reset)
* @send_cmd:send a host command
* @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
@ -1254,13 +1253,13 @@ struct iwl_trans;
*/
struct iwl_trans_ops {
int (*rx_init)(struct iwl_priv *priv);
int (*rx_stop)(struct iwl_priv *priv);
void (*rx_free)(struct iwl_priv *priv);
int (*tx_init)(struct iwl_priv *priv);
int (*tx_stop)(struct iwl_priv *priv);
void (*tx_free)(struct iwl_priv *priv);
void (*stop_device)(struct iwl_priv *priv);
int (*send_cmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
int (*send_cmd_pdu)(struct iwl_priv *priv, u8 id, u32 flags, u16 len,

2
drivers/net/wireless/iwlwifi/iwl-sv-open.c
View File

@ -407,7 +407,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
iwl_testmode_cfg_init_calib(priv);
iwlagn_stop_device(priv);
trans_stop_device(priv);
break;
case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:

44
drivers/net/wireless/iwlwifi/iwl-trans.c
View File

@ -611,6 +611,46 @@ static int iwl_trans_tx_stop(struct iwl_priv *priv)
return 0;
}
static void iwl_trans_stop_device(struct iwl_priv *priv)
{
unsigned long flags;
/* stop and reset the on-board processor */
iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
/* tell the device to stop sending interrupts */
spin_lock_irqsave(&priv->lock, flags);
iwl_disable_interrupts(priv);
spin_unlock_irqrestore(&priv->lock, flags);
trans_sync_irq(priv);
/* device going down, Stop using ICT table */
iwl_disable_ict(priv);
/*
* If a HW restart happens during firmware loading,
* then the firmware loading might call this function
* and later it might be called again due to the
* restart. So don't process again if the device is
* already dead.
*/
if (test_bit(STATUS_DEVICE_ENABLED, &priv->status)) {
iwl_trans_tx_stop(priv);
iwl_trans_rx_stop(priv);
/* Power-down device's busmaster DMA clocks */
iwl_write_prph(priv, APMG_CLK_DIS_REG,
APMG_CLK_VAL_DMA_CLK_RQT);
udelay(5);
}
/* Make sure (redundant) we've released our request to stay awake */
iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
/* Stop the device, and put it in low power state */
iwl_apm_stop(priv);
}
static struct iwl_tx_cmd *iwl_trans_get_tx_cmd(struct iwl_priv *priv,
int txq_id)
{
@ -779,13 +819,13 @@ static void iwl_trans_free(struct iwl_priv *priv)
static const struct iwl_trans_ops trans_ops = {
.rx_init = iwl_trans_rx_init,
.rx_stop = iwl_trans_rx_stop,
.rx_free = iwl_trans_rx_free,
.tx_init = iwl_trans_tx_init,
.tx_stop = iwl_trans_tx_stop,
.tx_free = iwl_trans_tx_free,
.stop_device = iwl_trans_stop_device,
.send_cmd = iwl_send_cmd,
.send_cmd_pdu = iwl_send_cmd_pdu,

15
drivers/net/wireless/iwlwifi/iwl-trans.h
View File

@ -69,11 +69,6 @@ static inline int trans_rx_init(struct iwl_priv *priv)
return priv->trans.ops->rx_init(priv);
}
static inline int trans_rx_stop(struct iwl_priv *priv)
{
return priv->trans.ops->rx_stop(priv);
}
static inline void trans_rx_free(struct iwl_priv *priv)
{
priv->trans.ops->rx_free(priv);
@ -84,16 +79,16 @@ static inline int trans_tx_init(struct iwl_priv *priv)
return priv->trans.ops->tx_init(priv);
}
static inline int trans_tx_stop(struct iwl_priv *priv)
{
return priv->trans.ops->tx_stop(priv);
}
static inline void trans_tx_free(struct iwl_priv *priv)
{
priv->trans.ops->tx_free(priv);
}
static inline void trans_stop_device(struct iwl_priv *priv)
{
priv->trans.ops->stop_device(priv);
}
static inline int trans_send_cmd(struct iwl_priv *priv,
struct iwl_host_cmd *cmd)
{