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iwlwifi: add fw_alive to transport layer API, kill tx_start

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Define a new handler in the transport layer API: fw_alive.
Move iwl_reset_ict to this new handler, and move the content
of tx_start to this handler.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Emmanuel Grumbach 2012-01-02 16:10:08 +02:00 committed by Wey-Yi Guy
parent 96d28e00d5
commit ed6a380340
7 changed files with 19 additions and 21 deletions
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3
drivers/net/wireless/iwlwifi/iwl-agn.c
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@ -1243,9 +1243,6 @@ int iwl_alive_start(struct iwl_priv *priv)
int ret = 0;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
/*TODO: this should go to the transport layer */
iwl_reset_ict(trans(priv));
IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
/* After the ALIVE response, we can send host commands to the uCode */

2
drivers/net/wireless/iwlwifi/iwl-agn.h
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@ -73,8 +73,6 @@ struct iwlagn_ucode_capabilities {
extern struct ieee80211_ops iwlagn_hw_ops;
int iwl_reset_ict(struct iwl_trans *trans);
static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
{
hdr->op_code = cmd;

2
drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
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@ -258,7 +258,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
/*****************************************************
* ICT
******************************************************/
int iwl_reset_ict(struct iwl_trans *trans);
void iwl_reset_ict(struct iwl_trans *trans);
void iwl_disable_ict(struct iwl_trans *trans);
int iwl_alloc_isr_ict(struct iwl_trans *trans);
void iwl_free_isr_ict(struct iwl_trans *trans);

6
drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
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@ -1213,7 +1213,7 @@ int iwl_alloc_isr_ict(struct iwl_trans *trans)
/* Device is going up inform it about using ICT interrupt table,
* also we need to tell the driver to start using ICT interrupt.
*/
int iwl_reset_ict(struct iwl_trans *trans)
void iwl_reset_ict(struct iwl_trans *trans)
{
u32 val;
unsigned long flags;
@ -1221,7 +1221,7 @@ int iwl_reset_ict(struct iwl_trans *trans)
IWL_TRANS_GET_PCIE_TRANS(trans);
if (!trans_pcie->ict_tbl)
return 0;
return;
spin_lock_irqsave(&trans->shrd->lock, flags);
iwl_disable_interrupts(trans);
@ -1241,8 +1241,6 @@ int iwl_reset_ict(struct iwl_trans *trans)
iwl_write32(bus(trans), CSR_INT, trans_pcie->inta_mask);
iwl_enable_interrupts(trans);
spin_unlock_irqrestore(&trans->shrd->lock, flags);
return 0;
}
/* Device is going down disable ict interrupt usage */

10
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
View File

@ -835,7 +835,7 @@ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask)
iwl_write_prph(bus(trans), SCD_TXFACT, mask);
}
static void iwl_trans_pcie_tx_start(struct iwl_trans *trans)
static void iwl_tx_start(struct iwl_trans *trans)
{
const struct queue_to_fifo_ac *queue_to_fifo;
struct iwl_trans_pcie *trans_pcie =
@ -948,6 +948,12 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans)
APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
}
static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans)
{
iwl_reset_ict(trans);
iwl_tx_start(trans);
}
/**
* iwlagn_txq_ctx_stop - Stop all Tx DMA channels
*/
@ -1903,11 +1909,11 @@ static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans,
const struct iwl_trans_ops trans_ops_pcie = {
.alloc = iwl_trans_pcie_alloc,
.request_irq = iwl_trans_pcie_request_irq,
.fw_alive = iwl_trans_pcie_fw_alive,
.start_device = iwl_trans_pcie_start_device,
.prepare_card_hw = iwl_trans_pcie_prepare_card_hw,
.stop_device = iwl_trans_pcie_stop_device,
.tx_start = iwl_trans_pcie_tx_start,
.wake_any_queue = iwl_trans_pcie_wake_any_queue,
.send_cmd = iwl_trans_pcie_send_cmd,

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

@ -139,8 +139,7 @@ struct iwl_host_cmd {
* layer.
* @prepare_card_hw: claim the ownership on the HW. Will be called during
* probe.
* @tx_start: starts and configures all the Tx fifo - usually done once the fw
* is alive.
* @fw_alive: called when the fw sends alive notification
* @wake_any_queue: wake all the queues of a specfic context IWL_RXON_CTX_*
* @stop_device:stops the whole device (embedded CPU put to reset)
* @send_cmd:send a host command
@ -166,9 +165,9 @@ struct iwl_trans_ops {
struct iwl_trans *(*alloc)(struct iwl_shared *shrd);
int (*request_irq)(struct iwl_trans *iwl_trans);
int (*start_device)(struct iwl_trans *trans);
void (*fw_alive)(struct iwl_trans *trans);
int (*prepare_card_hw)(struct iwl_trans *trans);
void (*stop_device)(struct iwl_trans *trans);
void (*tx_start)(struct iwl_trans *trans);
void (*wake_any_queue)(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx,
@ -264,6 +263,11 @@ static inline int iwl_trans_request_irq(struct iwl_trans *trans)
return trans->ops->request_irq(trans);
}
static inline void iwl_trans_fw_alive(struct iwl_trans *trans)
{
trans->ops->fw_alive(trans);
}
static inline int iwl_trans_start_device(struct iwl_trans *trans)
{
return trans->ops->start_device(trans);
@ -279,11 +283,6 @@ static inline void iwl_trans_stop_device(struct iwl_trans *trans)
trans->ops->stop_device(trans);
}
static inline void iwl_trans_tx_start(struct iwl_trans *trans)
{
trans->ops->tx_start(trans);
}
static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx,
const char *msg)

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

@ -447,7 +447,7 @@ static int iwl_alive_notify(struct iwl_trans *trans)
if (!priv->tx_cmd_pool)
return -ENOMEM;
iwl_trans_tx_start(trans);
iwl_trans_fw_alive(trans);
for_each_context(priv, ctx)
ctx->last_tx_rejected = false;