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Diffstat (limited to 'arch/s390/pci/pci.c')
-rw-r--r--arch/s390/pci/pci.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 4266a4de3160..dc9bc82c072c 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -285,7 +285,7 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev,
struct zpci_dev *zdev = to_zpci(pdev);
int idx;
- if (!pci_resource_len(pdev, bar))
+ if (!pci_resource_len(pdev, bar) || bar >= PCI_BAR_COUNT)
return NULL;
idx = zdev->bars[bar].map_idx;
@@ -484,6 +484,15 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev)
}
}
+#ifdef CONFIG_PCI_IOV
+static struct resource iov_res = {
+ .name = "PCI IOV res",
+ .start = 0,
+ .end = -1,
+ .flags = IORESOURCE_MEM,
+};
+#endif
+
static void zpci_map_resources(struct pci_dev *pdev)
{
resource_size_t len;
@@ -497,6 +506,17 @@ static void zpci_map_resources(struct pci_dev *pdev)
(resource_size_t __force) pci_iomap(pdev, i, 0);
pdev->resource[i].end = pdev->resource[i].start + len - 1;
}
+
+#ifdef CONFIG_PCI_IOV
+ i = PCI_IOV_RESOURCES;
+
+ for (; i < PCI_SRIOV_NUM_BARS + PCI_IOV_RESOURCES; i++) {
+ len = pci_resource_len(pdev, i);
+ if (!len)
+ continue;
+ pdev->resource[i].parent = &iov_res;
+ }
+#endif
}
static void zpci_unmap_resources(struct pci_dev *pdev)