Messages in this thread Patch in this message | | | From | Michael Moese <> | Subject | [PATCH v2 1/2] Enable PCI bus mastering by default | Date | Mon, 29 Aug 2016 14:45:13 +0200 |
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In order to successfully perform DMA operations on PCI devices, it is necessary to enble PCI bus mastering, so enable it by default.
Signed-off-by: Michael Moese <michael.moese@men.de> --- drivers/mcb/mcb-pci.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c index b15a034..af4d2f2 100644 --- a/drivers/mcb/mcb-pci.c +++ b/drivers/mcb/mcb-pci.c @@ -46,6 +46,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) dev_err(&pdev->dev, "Failed to enable PCI device\n"); return -ENODEV; } + pci_set_master(pdev); priv->mapbase = pci_resource_start(pdev, 0); if (!priv->mapbase) { -- 2.6.6
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