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-rw-r--r--arch/s390/pci/pci.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index f1e5be85d592..a56fce445c39 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -565,7 +565,21 @@ static void zpci_map_resources(struct zpci_dev *zdev)
pr_debug("BAR%i: -> start: %Lx end: %Lx\n",
i, pdev->resource[i].start, pdev->resource[i].end);
}
-};
+}
+
+static void zpci_unmap_resources(struct zpci_dev *zdev)
+{
+ struct pci_dev *pdev = zdev->pdev;
+ resource_size_t len;
+ int i;
+
+ for (i = 0; i < PCI_BAR_COUNT; i++) {
+ len = pci_resource_len(pdev, i);
+ if (!len)
+ continue;
+ pci_iounmap(pdev, (void *) pdev->resource[i].start);
+ }
+}
struct zpci_dev *zpci_alloc_device(void)
{
@@ -810,6 +824,16 @@ int pcibios_add_device(struct pci_dev *pdev)
return 0;
}
+void pcibios_release_device(struct pci_dev *pdev)
+{
+ struct zpci_dev *zdev = get_zdev(pdev);
+
+ zpci_unmap_resources(zdev);
+ zpci_fmb_disable_device(zdev);
+ zpci_debug_exit_device(zdev);
+ zdev->pdev = NULL;
+}
+
static int zpci_scan_bus(struct zpci_dev *zdev)
{
struct resource *res;
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