diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-08-17 15:58:21 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-09-25 06:20:42 +0200 |
| commit | 48d15814dd0fc429e3205b87f1af6cc472018478 (patch) | |
| tree | aab429c110103572ca948de9312a3860bd4cd556 /drivers/net/ethernet/i825xx/sni_82596.c | |
| parent | net/au1000-eth: stop using DMA_ATTR_NON_CONSISTENT (diff) | |
| download | linux-dev-48d15814dd0fc429e3205b87f1af6cc472018478.tar.xz linux-dev-48d15814dd0fc429e3205b87f1af6cc472018478.zip | |
lib82596: move DMA allocation into the callers of i82596_probe
This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare
for untangling the coherent vs non-coherent DMA allocation API.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> (SNI part)
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/i825xx/sni_82596.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c index 22f5887578b2..4b9ac0c65577 100644 --- a/drivers/net/ethernet/i825xx/sni_82596.c +++ b/drivers/net/ethernet/i825xx/sni_82596.c @@ -24,8 +24,6 @@ static const char sni_82596_string[] = "snirm_82596"; -#define LIB82596_DMA_ATTR 0 - #define DMA_WBACK(priv, addr, len) do { } while (0) #define DMA_INV(priv, addr, len) do { } while (0) #define DMA_WBACK_INV(priv, addr, len) do { } while (0) @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) lp->ca = ca_addr; lp->mpu_port = mpu_addr; + lp->dma = dma_alloc_coherent(&dev->dev, sizeof(struct i596_dma), + &lp->dma_addr, GFP_KERNEL); + if (!lp->dma) + goto probe_failed; + retval = i82596_probe(netdevice); - if (retval == 0) - return 0; + if (retval) + goto probe_failed_free_dma; + return 0; +probe_failed_free_dma: + dma_free_coherent(&dev->dev, sizeof(struct i596_dma), lp->dma, + lp->dma_addr); probe_failed: free_netdev(netdevice); probe_failed_free_ca: @@ -153,8 +160,8 @@ static int sni_82596_driver_remove(struct platform_device *pdev) struct i596_private *lp = netdev_priv(dev); unregister_netdev(dev); - dma_free_attrs(dev->dev.parent, sizeof(struct i596_private), lp->dma, - lp->dma_addr, LIB82596_DMA_ATTR); + dma_free_coherent(&pdev->dev, sizeof(struct i596_private), lp->dma, + lp->dma_addr); iounmap(lp->ca); iounmap(lp->mpu_port); free_netdev (dev); |