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-rw-r--r--arch/s390/pci/pci.c4
-rw-r--r--arch/s390/pci/pci_event.c2
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 4b62d6b55024..1804230dd8d8 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -668,6 +668,10 @@ EXPORT_SYMBOL_GPL(zpci_enable_device);
int zpci_disable_device(struct zpci_dev *zdev)
{
zpci_dma_exit_device(zdev);
+ /*
+ * The zPCI function may already be disabled by the platform, this is
+ * detected in clp_disable_fh() which becomes a no-op.
+ */
return clp_disable_fh(zdev);
}
EXPORT_SYMBOL_GPL(zpci_disable_device);
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c
index 9a3a291cad43..d9ae7456dd4c 100644
--- a/arch/s390/pci/pci_event.c
+++ b/arch/s390/pci/pci_event.c
@@ -143,6 +143,8 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
zpci_remove_device(zdev);
}
+ 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) {