From: Michael Moese <michael.moese@men.de>
Date: Wed, 14 Sep 2016 10:05:23 +0000 (+0200)
Subject: mcb: Enable PCI bus mastering by default
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=15bb81d334e99081e105b76e6d0b46657b4f4f2e;p=linux-beck.git

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 b15a0349cd97..af4d2f26f1c6 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) {