[PATCH 3/4] staging: et131x: Convert rest of pci memory management to dma api
Mark Einon
mark.einon at gmail.com
Sun Oct 16 12:06:14 UTC 2011
Replaced pci map/unmap and set_mask calls with their dma equivalents.
Also updated comments to reflect this.
Signed-off-by: Mark Einon <mark.einon at gmail.com>
---
drivers/staging/et131x/et131x.c | 56 +++++++++++++++++++-------------------
1 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 993f93a..1c11dfd 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -1976,7 +1976,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
/* Save physical address
*
- * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+ * NOTE: dma_alloc_coherent(), used above to alloc DMA regions,
* ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
* are ever returned, make sure the high part is retrieved here
* before storing the adjusted address.
@@ -2007,7 +2007,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
/* Save physical address
*
- * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+ * NOTE: dma_alloc_coherent(), used above to alloc DMA regions,
* ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
* are ever returned, make sure the high part is retrieved here before
* storing the adjusted address.
@@ -2152,7 +2152,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
(unsigned long) rx_ring->ps_ring_physaddr);
/*
- * NOTE : pci_alloc_consistent(), used above to alloc DMA regions,
+ * NOTE : dma_alloc_coherent(), used above to alloc DMA regions,
* ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
* are ever returned, make sure the high part is retrieved here before
* storing the adjusted address.
@@ -2172,7 +2172,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
printk(KERN_INFO "PRS %lx\n", (unsigned long)rx_ring->rx_status_bus);
/* Recv
- * pci_pool_create initializes a lookaside list. After successful
+ * kmem_cache_create initializes a lookaside list. After successful
* creation, nonpaged fixed-size blocks can be allocated from and
* freed to the lookaside list.
* RFDs will be allocated from this pool.
@@ -2408,7 +2408,7 @@ void et131x_config_rx_dma_regs(struct et131x_adapter *adapter)
/* Load the completion writeback physical address
*
- * NOTE : pci_alloc_consistent(), used above to alloc DMA regions,
+ * NOTE : dma_alloc_coherent(), used above to alloc DMA regions,
* ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
* are ever returned, make sure the high part is retrieved here
* before storing the adjusted address.
@@ -3005,7 +3005,7 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
/* Save physical address
*
- * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+ * NOTE: dma_alloc_coherent(), used above to alloc DMA regions,
* ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
* are ever returned, make sure the high part is retrieved here before
* storing the adjusted address.
@@ -3202,59 +3202,59 @@ static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)
skb->len - skb->data_len;
/* NOTE: Here, the dma_addr_t returned from
- * pci_map_single() is implicitly cast as a
+ * dma_map_single() is implicitly cast as a
* u32. Although dma_addr_t can be
* 64-bit, the address returned by
- * pci_map_single() is always 32-bit
+ * dma_map_single() is always 32-bit
* addressable (as defined by the pci/dma
* subsystem)
*/
desc[frag++].addr_lo =
- pci_map_single(adapter->pdev,
+ dma_map_single(&adapter->pdev->dev,
skb->data,
skb->len -
skb->data_len,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
} else {
desc[frag].addr_hi = 0;
desc[frag].len_vlan =
(skb->len - skb->data_len) / 2;
/* NOTE: Here, the dma_addr_t returned from
- * pci_map_single() is implicitly cast as a
+ * dma_map_single() is implicitly cast as a
* u32. Although dma_addr_t can be
* 64-bit, the address returned by
- * pci_map_single() is always 32-bit
+ * dma_map_single() is always 32-bit
* addressable (as defined by the pci/dma
* subsystem)
*/
desc[frag++].addr_lo =
- pci_map_single(adapter->pdev,
+ dma_map_single(&adapter->pdev->dev,
skb->data,
((skb->len -
skb->data_len) / 2),
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
desc[frag].addr_hi = 0;
desc[frag].len_vlan =
(skb->len - skb->data_len) / 2;
/* NOTE: Here, the dma_addr_t returned from
- * pci_map_single() is implicitly cast as a
+ * dma_map_single() is implicitly cast as a
* u32. Although dma_addr_t can be
* 64-bit, the address returned by
- * pci_map_single() is always 32-bit
+ * dma_map_single() is always 32-bit
* addressable (as defined by the pci/dma
* subsystem)
*/
desc[frag++].addr_lo =
- pci_map_single(adapter->pdev,
+ dma_map_single(&adapter->pdev->dev,
skb->data +
((skb->len -
skb->data_len) / 2),
((skb->len -
skb->data_len) / 2),
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
}
} else {
desc[frag].addr_hi = 0;
@@ -3262,17 +3262,17 @@ static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)
frags[i - 1].size;
/* NOTE: Here, the dma_addr_t returned from
- * pci_map_page() is implicitly cast as a u32.
+ * dma_map_page() is implicitly cast as a u32.
* Although dma_addr_t can be 64-bit, the address
- * returned by pci_map_page() is always 32-bit
+ * returned by dma_map_page() is always 32-bit
* addressable (as defined by the pci/dma subsystem)
*/
desc[frag++].addr_lo =
- pci_map_page(adapter->pdev,
+ dma_map_page(&adapter->pdev->dev,
frags[i - 1].page,
frags[i - 1].page_offset,
frags[i - 1].size,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
}
}
@@ -3522,9 +3522,9 @@ static inline void free_send_packet(struct et131x_adapter *adapter,
(adapter->tx_ring.tx_desc_ring +
INDEX10(tcb->index_start));
- pci_unmap_single(adapter->pdev,
+ dma_unmap_single(&adapter->pdev->dev,
desc->addr_lo,
- desc->len_vlan, PCI_DMA_TODEVICE);
+ desc->len_vlan, DMA_TO_DEVICE);
add_10bit(&tcb->index_start, 1);
if (INDEX10(tcb->index_start) >=
@@ -4428,15 +4428,15 @@ static int __devinit et131x_pci_setup(struct pci_dev *pdev,
}
/* Check the DMA addressing support of this device */
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
- result = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+ if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
+ result = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
if (result) {
dev_err(&pdev->dev,
"Unable to obtain 64 bit DMA for consistent allocations\n");
goto err_release_res;
}
- } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
- result = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
+ result = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (result) {
dev_err(&pdev->dev,
"Unable to obtain 32 bit DMA for consistent allocations\n");
--
1.7.6.4
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