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>

diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
index b15a034..af4d2f2 100644 (file)
--- 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) {