diff options
| author |   Suthikulpanit, Suravee <Suravee.Suthikulpanit@amd.com> | 2015-10-28 15:50:50 -0700 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-11-07 01:29:22 +0100 |
| commit | 1831eff876bd0bb8d64e9965a7ff47486c9a3ecd (patch) | |
| tree | 97a652863ace4050ce511b981211c3baae5e9fab /drivers/net/ethernet/amd/xgbe/xgbe-main.c | |
| parent | device property: Adding DMA Attribute APIs for Generic Devices (diff) | |
| download | linux-dev-1831eff876bd0bb8d64e9965a7ff47486c9a3ecd.tar.xz linux-dev-1831eff876bd0bb8d64e9965a7ff47486c9a3ecd.zip | |
device property: ACPI: Make use of the new DMA Attribute APIs
Now that we have the new DMA attribute APIs, we can replace the older
acpi_check_dma() and device_dma_is_coherent().
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-main.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index e83bd76abce6..c607b3f88f0b 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -342,6 +342,7 @@ static int xgbe_probe(struct platform_device *pdev) struct resource *res; const char *phy_mode; unsigned int i, phy_memnum, phy_irqnum; + enum dev_dma_attr attr; int ret; DBGPR("--> xgbe_probe\n"); @@ -609,7 +610,12 @@ static int xgbe_probe(struct platform_device *pdev) goto err_io; /* Set the DMA coherency values */ - pdata->coherent = device_dma_is_coherent(pdata->dev); + attr = device_get_dma_attr(dev); + if (attr == DEV_DMA_NOT_SUPPORTED) { + dev_err(dev, "DMA is not supported"); + goto err_io; + } + pdata->coherent = (attr == DEV_DMA_COHERENT); if (pdata->coherent) { pdata->axdomain = XGBE_DMA_OS_AXDOMAIN; pdata->arcache = XGBE_DMA_OS_ARCACHE; |