s390/pci: add recover sysfs knob
Add an arch specific attribute to recover a pci function from an
error state or config space blockage.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 61167b1..b0ccd42 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -791,6 +791,8 @@
rc = zpci_dma_init_device(zdev);
if (rc)
goto out_dma;
+
+ zdev->state = ZPCI_FN_STATE_ONLINE;
return 0;
out_dma:
@@ -819,8 +821,6 @@
rc = zpci_enable_device(zdev);
if (rc)
goto out_free;
-
- zdev->state = ZPCI_FN_STATE_ONLINE;
}
rc = zpci_scan_bus(zdev);
if (rc)