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path: root/drivers/net/wireless/iwlwifi/iwl-rx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-rx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c47
1 files changed, 3 insertions, 44 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 3efa7066e98..87148bb3f62 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -134,7 +134,6 @@ int iwl_rx_queue_space(const struct iwl_rx_queue *q)
void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q)
{
unsigned long flags;
- u32 rx_wrt_ptr_reg = priv->hw_params.rx_wrt_ptr_reg;
u32 reg;
spin_lock_irqsave(&q->lock, flags);
@@ -146,7 +145,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q
/* shadow register enabled */
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
- iwl_write32(priv, rx_wrt_ptr_reg, q->write_actual);
+ iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual);
} else {
/* If power-saving is in use, make sure device is awake */
if (test_bit(STATUS_POWER_PMI, &priv->status)) {
@@ -162,14 +161,14 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q
}
q->write_actual = (q->write & ~0x7);
- iwl_write_direct32(priv, rx_wrt_ptr_reg,
+ iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR,
q->write_actual);
/* Else device is assumed to be awake */
} else {
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
- iwl_write_direct32(priv, rx_wrt_ptr_reg,
+ iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR,
q->write_actual);
}
}
@@ -179,46 +178,6 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q
spin_unlock_irqrestore(&q->lock, flags);
}
-int iwl_rx_queue_alloc(struct iwl_priv *priv)
-{
- struct iwl_rx_queue *rxq = &priv->rxq;
- struct device *dev = priv->bus.dev;
- int i;
-
- spin_lock_init(&rxq->lock);
- INIT_LIST_HEAD(&rxq->rx_free);
- INIT_LIST_HEAD(&rxq->rx_used);
-
- /* Alloc the circular buffer of Read Buffer Descriptors (RBDs) */
- rxq->bd = dma_alloc_coherent(dev, 4 * RX_QUEUE_SIZE, &rxq->bd_dma,
- GFP_KERNEL);
- if (!rxq->bd)
- goto err_bd;
-
- rxq->rb_stts = dma_alloc_coherent(dev, sizeof(struct iwl_rb_status),
- &rxq->rb_stts_dma, GFP_KERNEL);
- if (!rxq->rb_stts)
- goto err_rb;
-
- /* Fill the rx_used queue with _all_ of the Rx buffers */
- for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++)
- list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
-
- /* Set us so that we have processed and used all buffers, but have
- * not restocked the Rx queue with fresh buffers */
- rxq->read = rxq->write = 0;
- rxq->write_actual = 0;
- rxq->free_count = 0;
- rxq->need_update = 0;
- return 0;
-
-err_rb:
- dma_free_coherent(dev, 4 * RX_QUEUE_SIZE, rxq->bd,
- rxq->bd_dma);
-err_bd:
- return -ENOMEM;
-}
-
/******************************************************************************
*
* Generic RX handler implementations