diff options
Diffstat (limited to 'arch/s390/pci/pci_event.c')
| -rw-r--r-- | arch/s390/pci/pci_event.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index c2b27ad8e94d..0bbc04af4418 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -74,6 +74,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) { struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid); struct pci_dev *pdev = NULL; + enum zpci_state state; int ret; if (zdev) @@ -108,6 +109,8 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) clp_add_pci_device(ccdf->fid, ccdf->fh, 0); break; case 0x0303: /* Deconfiguration requested */ + if (!zdev) + break; if (pdev) pci_stop_and_remove_bus_device_locked(pdev); @@ -121,7 +124,9 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) zdev->state = ZPCI_FN_STATE_STANDBY; break; - case 0x0304: /* Configured -> Standby */ + case 0x0304: /* Configured -> Standby|Reserved */ + if (!zdev) + break; if (pdev) { /* Give the driver a hint that the function is * already unusable. */ @@ -132,6 +137,10 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) zdev->fh = ccdf->fh; zpci_disable_device(zdev); zdev->state = ZPCI_FN_STATE_STANDBY; + if (!clp_get_state(ccdf->fid, &state) && + state == ZPCI_FN_STATE_RESERVED) { + zpci_remove_device(zdev); + } break; case 0x0306: /* 0x308 or 0x302 for multiple devices */ clp_rescan_pci_devices(); @@ -139,8 +148,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) case 0x0308: /* Standby -> Reserved */ if (!zdev) break; - pci_stop_root_bus(zdev->bus); - pci_remove_root_bus(zdev->bus); + zpci_remove_device(zdev); break; default: break; |