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path: root/drivers/net/wireless/iwlwifi/iwl3945-base.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index eac2b9a9571..3df488a8cf7 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -352,10 +352,10 @@ static int iwl3945_send_beacon_cmd(struct iwl_priv *priv)
static void iwl3945_unset_hw_params(struct iwl_priv *priv)
{
if (priv->shared_virt)
- pci_free_consistent(priv->pci_dev,
- sizeof(struct iwl3945_shared),
- priv->shared_virt,
- priv->shared_phys);
+ dma_free_coherent(&priv->pci_dev->dev,
+ sizeof(struct iwl3945_shared),
+ priv->shared_virt,
+ priv->shared_phys);
}
static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
@@ -478,7 +478,6 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
u8 wait_write_ptr = 0;
u8 *qc = NULL;
unsigned long flags;
- int rc;
spin_lock_irqsave(&priv->lock, flags);
if (iwl_is_rfkill(priv)) {
@@ -663,12 +662,9 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* Tell device the write index *just past* this latest filled TFD */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
- rc = iwl_txq_update_write_ptr(priv, txq);
+ iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
- if (rc)
- return rc;
-
if ((iwl_queue_space(q) < q->high_mark)
&& priv->mac80211_registered) {
if (wait_write_ptr) {
@@ -1063,13 +1059,13 @@ static inline __le32 iwl3945_dma_addr2rbd_ptr(struct iwl_priv *priv,
* also updates the memory address in the firmware to reference the new
* target buffer.
*/
-static int iwl3945_rx_queue_restock(struct iwl_priv *priv)
+static void iwl3945_rx_queue_restock(struct iwl_priv *priv)
{
struct iwl_rx_queue *rxq = &priv->rxq;
struct list_head *element;
struct iwl_rx_mem_buffer *rxb;
unsigned long flags;
- int write, rc;
+ int write;
spin_lock_irqsave(&rxq->lock, flags);
write = rxq->write & ~0x7;
@@ -1099,12 +1095,8 @@ static int iwl3945_rx_queue_restock(struct iwl_priv *priv)
spin_lock_irqsave(&rxq->lock, flags);
rxq->need_update = 1;
spin_unlock_irqrestore(&rxq->lock, flags);
- rc = iwl_rx_queue_update_write_ptr(priv, rxq);
- if (rc)
- return rc;
+ iwl_rx_queue_update_write_ptr(priv, rxq);
}
-
- return 0;
}
/**
@@ -1249,10 +1241,10 @@ static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rx
}
}
- pci_free_consistent(priv->pci_dev, 4 * RX_QUEUE_SIZE, rxq->bd,
- rxq->dma_addr);
- pci_free_consistent(priv->pci_dev, sizeof(struct iwl_rb_status),
- rxq->rb_stts, rxq->rb_stts_dma);
+ dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd,
+ rxq->dma_addr);
+ dma_free_coherent(&priv->pci_dev->dev, sizeof(struct iwl_rb_status),
+ rxq->rb_stts, rxq->rb_stts_dma);
rxq->bd = NULL;
rxq->rb_stts = NULL;
}
@@ -4047,6 +4039,13 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
spin_lock_init(&priv->reg_lock);
spin_lock_init(&priv->lock);
+ /*
+ * stop and reset the on-board processor just in case it is in a
+ * strange state ... like being left stranded by a primary kernel
+ * and this is now the kdump kernel trying to start up
+ */
+ iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
+
/***********************
* 4. Read EEPROM
* ********************/