[PATCH 2/4] au1000_eth: switch to dma_alloc_attrs

From: Christoph Hellwig
Date: Sat Aug 26 2017 - 03:21:51 EST


Use dma_alloc_attrs directly instead of the dma_alloc_noncoherent wrapper.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/net/ethernet/amd/au1000_eth.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c
index a3c90fe5de00..73ca8879ada7 100644
--- a/drivers/net/ethernet/amd/au1000_eth.c
+++ b/drivers/net/ethernet/amd/au1000_eth.c
@@ -1180,9 +1180,10 @@ static int au1000_probe(struct platform_device *pdev)
/* Allocate the data buffers
* Snooping works fine with eth on all au1xxx
*/
- aup->vaddr = (u32)dma_alloc_noncoherent(NULL, MAX_BUF_SIZE *
- (NUM_TX_BUFFS + NUM_RX_BUFFS),
- &aup->dma_addr, 0);
+ aup->vaddr = (u32)dma_alloc_attrs(NULL, MAX_BUF_SIZE *
+ (NUM_TX_BUFFS + NUM_RX_BUFFS),
+ &aup->dma_addr, 0,
+ DMA_ATTR_NON_CONSISTENT);
if (!aup->vaddr) {
dev_err(&pdev->dev, "failed to allocate data buffers\n");
err = -ENOMEM;
@@ -1361,8 +1362,9 @@ static int au1000_probe(struct platform_device *pdev)
err_remap2:
iounmap(aup->mac);
err_remap1:
- dma_free_noncoherent(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
- (void *)aup->vaddr, aup->dma_addr);
+ dma_free_attrs(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
+ (void *)aup->vaddr, aup->dma_addr,
+ DMA_ATTR_NON_CONSISTENT);
err_vaddr:
free_netdev(dev);
err_alloc:
@@ -1394,9 +1396,9 @@ static int au1000_remove(struct platform_device *pdev)
if (aup->tx_db_inuse[i])
au1000_ReleaseDB(aup, aup->tx_db_inuse[i]);

- dma_free_noncoherent(NULL, MAX_BUF_SIZE *
- (NUM_TX_BUFFS + NUM_RX_BUFFS),
- (void *)aup->vaddr, aup->dma_addr);
+ dma_free_attrs(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
+ (void *)aup->vaddr, aup->dma_addr,
+ DMA_ATTR_NON_CONSISTENT);

iounmap(aup->macdma);
iounmap(aup->mac);
--
2.11.0