s390/pci: remove disable_device implementation

pci_disable_device is called by a driver after it stops using the pci
function - e.g. during the removal of the driver. The current
implementation removes the architecture specific information of this
function such that even after a call to pci_enable_device the pci
function is no longer usable. Just remove pcibios_disable_device.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 0 insertions, 34 deletions

diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index dd8e13ef506c..48de2be7b46a 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -600,19 +600,6 @@ static void zpci_map_resources(struct zpci_dev *zdev)
         }
 };
 
-static void zpci_unmap_resources(struct pci_dev *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)
 {
         struct zpci_dev *zdev;
@@ -640,21 +627,6 @@ void zpci_free_device(struct zpci_dev *zdev)
         kfree(zdev);
 }
 
-/* Called on removal of pci_dev, leaves zpci and bus device */
-static void zpci_remove_device(struct pci_dev *pdev)
-{
-        struct zpci_dev *zdev = get_zdev(pdev);
-
-        dev_info(&pdev->dev, "Removing device %u\n", zdev->domain);
-        zdev->state = ZPCI_FN_STATE_CONFIGURED;
-        zpci_dma_exit_device(zdev);
-        zpci_fmb_disable_device(zdev);
-        zpci_sysfs_remove_device(&pdev->dev);
-        zpci_unmap_resources(pdev);
-        list_del(&zdev->entry);         /* can be called from init */
-        zdev->pdev = NULL;
-}
-
 static void zpci_scan_devices(void)
 {
         struct zpci_dev *zdev;
@@ -692,12 +664,6 @@ int pcibios_enable_device(struct pci_dev *pdev, int mask)
         return 0;
 }
 
-void pcibios_disable_device(struct pci_dev *pdev)
-{
-        zpci_remove_device(pdev);
-        pdev->sysdata = NULL;
-}
-
 int pcibios_add_platform_entries(struct pci_dev *pdev)
 {
         return zpci_sysfs_add_device(&pdev->dev);