iwlwifi: use dma_alloc_coherent
Change pci_alloc_consistent() to dma_alloc_coherent() so we can use
GFP_KERNEL flag.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 2199b1b..d8c11f9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -60,7 +60,8 @@
static inline int iwl_alloc_dma_ptr(struct iwl_priv *priv,
struct iwl_dma_ptr *ptr, size_t size)
{
- ptr->addr = pci_alloc_consistent(priv->pci_dev, size, &ptr->dma);
+ ptr->addr = dma_alloc_coherent(&priv->pci_dev->dev, size, &ptr->dma,
+ GFP_KERNEL);
if (!ptr->addr)
return -ENOMEM;
ptr->size = size;
@@ -73,7 +74,7 @@
if (unlikely(!ptr->addr))
return;
- pci_free_consistent(priv->pci_dev, ptr->size, ptr->addr, ptr->dma);
+ dma_free_coherent(&priv->pci_dev->dev, ptr->size, ptr->addr, ptr->dma);
memset(ptr, 0, sizeof(*ptr));
}
@@ -129,7 +130,7 @@
{
struct iwl_tx_queue *txq = &priv->txq[txq_id];
struct iwl_queue *q = &txq->q;
- struct pci_dev *dev = priv->pci_dev;
+ struct device *dev = &priv->pci_dev->dev;
int i;
if (q->n_bd == 0)
@@ -146,8 +147,8 @@
/* De-alloc circular buffer of TFDs */
if (txq->q.n_bd)
- pci_free_consistent(dev, priv->hw_params.tfd_size *
- txq->q.n_bd, txq->tfds, txq->q.dma_addr);
+ dma_free_coherent(dev, priv->hw_params.tfd_size *
+ txq->q.n_bd, txq->tfds, txq->q.dma_addr);
/* De-alloc array of per-TFD driver data */
kfree(txq->txb);
@@ -176,7 +177,7 @@
{
struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
struct iwl_queue *q = &txq->q;
- struct pci_dev *dev = priv->pci_dev;
+ struct device *dev = &priv->pci_dev->dev;
int i;
if (q->n_bd == 0)
@@ -188,8 +189,8 @@
/* De-alloc circular buffer of TFDs */
if (txq->q.n_bd)
- pci_free_consistent(dev, priv->hw_params.tfd_size *
- txq->q.n_bd, txq->tfds, txq->q.dma_addr);
+ dma_free_coherent(dev, priv->hw_params.tfd_size * txq->q.n_bd,
+ txq->tfds, txq->q.dma_addr);
/* deallocate arrays */
kfree(txq->cmd);
@@ -280,7 +281,7 @@
static int iwl_tx_queue_alloc(struct iwl_priv *priv,
struct iwl_tx_queue *txq, u32 id)
{
- struct pci_dev *dev = priv->pci_dev;
+ struct device *dev = &priv->pci_dev->dev;
size_t tfd_sz = priv->hw_params.tfd_size * TFD_QUEUE_SIZE_MAX;
/* Driver private data, only for Tx (not command) queues,
@@ -299,8 +300,8 @@
/* Circular buffer of transmit frame descriptors (TFDs),
* shared with device */
- txq->tfds = pci_alloc_consistent(dev, tfd_sz, &txq->q.dma_addr);
-
+ txq->tfds = dma_alloc_coherent(dev, tfd_sz, &txq->q.dma_addr,
+ GFP_KERNEL);
if (!txq->tfds) {
IWL_ERR(priv, "pci_alloc_consistent(%zd) failed\n", tfd_sz);
goto error;