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path: root/drivers/pci/xen-pcifront.c
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Diffstat (limited to 'drivers/pci/xen-pcifront.c')
-rw-r--r--drivers/pci/xen-pcifront.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index d6cc62cb4cf7..0ad8ca326389 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -21,6 +21,7 @@
21#include <linux/bitops.h> 21#include <linux/bitops.h>
22#include <linux/time.h> 22#include <linux/time.h>
23 23
24#include <asm/xen/swiotlb-xen.h>
24#define INVALID_GRANT_REF (0) 25#define INVALID_GRANT_REF (0)
25#define INVALID_EVTCHN (-1) 26#define INVALID_EVTCHN (-1)
26 27
@@ -668,7 +669,7 @@ static irqreturn_t pcifront_handler_aer(int irq, void *dev)
668 schedule_pcifront_aer_op(pdev); 669 schedule_pcifront_aer_op(pdev);
669 return IRQ_HANDLED; 670 return IRQ_HANDLED;
670} 671}
671static int pcifront_connect(struct pcifront_device *pdev) 672static int pcifront_connect_and_init_dma(struct pcifront_device *pdev)
672{ 673{
673 int err = 0; 674 int err = 0;
674 675
@@ -681,9 +682,13 @@ static int pcifront_connect(struct pcifront_device *pdev)
681 dev_err(&pdev->xdev->dev, "PCI frontend already installed!\n"); 682 dev_err(&pdev->xdev->dev, "PCI frontend already installed!\n");
682 err = -EEXIST; 683 err = -EEXIST;
683 } 684 }
684
685 spin_unlock(&pcifront_dev_lock); 685 spin_unlock(&pcifront_dev_lock);
686 686
687 if (!err && !swiotlb_nr_tbl()) {
688 err = pci_xen_swiotlb_init_late();
689 if (err)
690 dev_err(&pdev->xdev->dev, "Could not setup SWIOTLB!\n");
691 }
687 return err; 692 return err;
688} 693}
689 694
@@ -842,10 +847,10 @@ static int __devinit pcifront_try_connect(struct pcifront_device *pdev)
842 XenbusStateInitialised) 847 XenbusStateInitialised)
843 goto out; 848 goto out;
844 849
845 err = pcifront_connect(pdev); 850 err = pcifront_connect_and_init_dma(pdev);
846 if (err) { 851 if (err) {
847 xenbus_dev_fatal(pdev->xdev, err, 852 xenbus_dev_fatal(pdev->xdev, err,
848 "Error connecting PCI Frontend"); 853 "Error setting up PCI Frontend");
849 goto out; 854 goto out;
850 } 855 }
851 856