Commit 15bb81d3 authored Sep 14, 2016 by Michael Moese Committed by Greg Kroah-Hartman Sep 27, 2016

mcb: Enable PCI bus mastering by default



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>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 1892fc2e

drivers/mcb/mcb-pci.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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) {