s390/pci: cleanup hotplug code

Provide wrappers for the [de]configure operations, add some error
handling, and use pci_scan_slot instead of pci_scan_single_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>

2 files changed, 0 insertions, 20 deletions

diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 6c1801235db9..be41f4f885ce 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -143,7 +143,6 @@ int zpci_enable_device(struct zpci_dev *);
 int zpci_disable_device(struct zpci_dev *);
 void zpci_stop_device(struct zpci_dev *);
 void zpci_free_device(struct zpci_dev *);
-int zpci_scan_device(struct zpci_dev *);
 int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64);
 int zpci_unregister_ioat(struct zpci_dev *, u8);
 
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index a56fce445c39..628769b91b97 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -974,25 +974,6 @@ void zpci_stop_device(struct zpci_dev *zdev)
 }
 EXPORT_SYMBOL_GPL(zpci_stop_device);
 
-int zpci_scan_device(struct zpci_dev *zdev)
-{
-        zdev->pdev = pci_scan_single_device(zdev->bus, ZPCI_DEVFN);
-        if (!zdev->pdev) {
-                pr_err("pci_scan_single_device failed for fid: 0x%x\n",
-                        zdev->fid);
-                goto out;
-        }
-
-        pci_bus_add_devices(zdev->bus);
-
-        return 0;
-out:
-        zpci_dma_exit_device(zdev);
-        clp_disable_fh(zdev);
-        return -EIO;
-}
-EXPORT_SYMBOL_GPL(zpci_scan_device);
-
 static inline int barsize(u8 size)
 {
         return (size) ? (1 << size) >> 10 : 0;