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yaml
---
r: 102555
b: refs/heads/master
c: 5a676bb
h: refs/heads/master
i:
  102553: e2597fa
  102551: 80d54d3
v: v3
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Ron Rindjunsky authored and John W. Linville committed May 14, 2008
1 parent 20ef252 commit 52e4a28
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Showing 4 changed files with 51 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 47c5196e4a340667d8d92053380ecca24ed45a9b
refs/heads/master: 5a676bbeaf9e534b75286f2294ec57a4c544f1d2
40 changes: 26 additions & 14 deletions trunk/drivers/net/wireless/iwlwifi/iwl-4965.c
Original file line number Diff line number Diff line change
Expand Up @@ -470,6 +470,27 @@ static void iwl4965_kw_free(struct iwl_priv *priv)
}
}

static int iwl4965_disable_tx_fifo(struct iwl_priv *priv)
{
unsigned long flags;
int ret;

spin_lock_irqsave(&priv->lock, flags);

ret = iwl_grab_nic_access(priv);
if (unlikely(ret)) {
IWL_ERROR("Tx fifo reset failed");
spin_unlock_irqrestore(&priv->lock, flags);
return ret;
}

iwl_write_prph(priv, IWL49_SCD_TXFACT, 0);
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);

return 0;
}

/**
* iwl4965_txq_ctx_reset - Reset TX queue context
* Destroys all DMA structures and initialise them again
Expand All @@ -481,7 +502,6 @@ static int iwl4965_txq_ctx_reset(struct iwl_priv *priv)
{
int rc = 0;
int txq_id, slots_num;
unsigned long flags;

iwl4965_kw_free(priv);

Expand All @@ -495,19 +515,10 @@ static int iwl4965_txq_ctx_reset(struct iwl_priv *priv)
goto error_kw;
}

spin_lock_irqsave(&priv->lock, flags);

rc = iwl_grab_nic_access(priv);
if (unlikely(rc)) {
IWL_ERROR("TX reset failed");
spin_unlock_irqrestore(&priv->lock, flags);
/* Turn off all Tx DMA fifos */
rc = priv->cfg->ops->lib->disable_tx_fifo(priv);
if (unlikely(rc))
goto error_reset;
}

/* Turn off all Tx DMA channels */
iwl_write_prph(priv, IWL49_SCD_TXFACT, 0);
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);

/* Tell 4965 where to find the keep-warm buffer */
rc = iwl4965_kw_init(priv);
Expand Down Expand Up @@ -538,6 +549,7 @@ static int iwl4965_txq_ctx_reset(struct iwl_priv *priv)
error_kw:
return rc;
}

static int iwl4965_apm_init(struct iwl_priv *priv)
{
unsigned long flags;
Expand Down Expand Up @@ -621,7 +633,6 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}


int iwl4965_hw_nic_init(struct iwl_priv *priv)
{
unsigned long flags;
Expand Down Expand Up @@ -4044,6 +4055,7 @@ static struct iwl_lib_ops iwl4965_lib = {
.free_shared_mem = iwl4965_free_shared_mem,
.txq_update_byte_cnt_tbl = iwl4965_txq_update_byte_cnt_tbl,
.hw_nic_init = iwl4965_hw_nic_init,
.disable_tx_fifo = iwl4965_disable_tx_fifo,
.rx_handler_setup = iwl4965_rx_handler_setup,
.is_valid_rtc_data_addr = iwl4965_hw_valid_rtc_data_addr,
.alive_notify = iwl4965_alive_notify,
Expand Down
22 changes: 22 additions & 0 deletions trunk/drivers/net/wireless/iwlwifi/iwl-5000.c
Original file line number Diff line number Diff line change
Expand Up @@ -430,6 +430,27 @@ static u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
}


static int iwl5000_disable_tx_fifo(struct iwl_priv *priv)
{
unsigned long flags;
int ret;

spin_lock_irqsave(&priv->lock, flags);

ret = iwl_grab_nic_access(priv);
if (unlikely(ret)) {
IWL_ERROR("Tx fifo reset failed");
spin_unlock_irqrestore(&priv->lock, flags);
return ret;
}

iwl_write_prph(priv, IWL50_SCD_TXFACT, 0);
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);

return 0;
}

static struct iwl_hcmd_ops iwl5000_hcmd = {
};

Expand All @@ -446,6 +467,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.alloc_shared_mem = iwl5000_alloc_shared_mem,
.free_shared_mem = iwl5000_free_shared_mem,
.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
.disable_tx_fifo = iwl5000_disable_tx_fifo,
.apm_ops = {
.init = iwl5000_apm_init,
.config = iwl5000_nic_config,
Expand Down
2 changes: 2 additions & 0 deletions trunk/drivers/net/wireless/iwlwifi/iwl-core.h
Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,8 @@ struct iwl_lib_ops {
void (*rx_handler_setup)(struct iwl_priv *priv);
/* nic init */
int (*hw_nic_init)(struct iwl_priv *priv);
/* nic Tx fifo handling */
int (*disable_tx_fifo)(struct iwl_priv *priv);
/* alive notification */
int (*alive_notify)(struct iwl_priv *priv);
/* check validity of rtc data address */
Expand Down

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