From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Tue, 1 Feb 2011 14:01:59 +0000 (-0500)
Subject: NVMe: Enable device DMA
X-Git-Tag: firefly_0821_release~3680^2~2014^2~98
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f64d3365a3e5cb46e69db7e2c82a7cb9a5bed1b8;p=firefly-linux-kernel-4.4.55.git

NVMe: Enable device DMA

Need to call pci_set_master() to enable device DMA

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
---

diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 1dda4b5c2302..128fd70031a9 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -1105,6 +1105,7 @@ static int __devinit nvme_probe(struct pci_dev *pdev,
 
 	if (pci_enable_device_mem(pdev))
 		goto free;
+	pci_set_master(pdev);
 
 	INIT_LIST_HEAD(&dev->namespaces);
 	dev->pci_dev = pdev;