PCI: pci-epf-test: Register notifier if only core_init_notifier is enabled

The pci_epf_test_notifier function should be installed also if only
core_init_notifier is enabled. Fix the current logic.

Link: https://lore.kernel.org/r/[email protected]
Fixes: 5e50ee2 ("PCI: pci-epf-test: Add support to defer core initialization")
Signed-off-by: Kunihiko Hayashi <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Acked-by: Om Prakash Singh <[email protected]>
Acked-by: Kishon Vijay Abraham I <[email protected]>

Author: khayash1

drivers/pci/endpoint/functions/pci-epf-test.c

@@ -979,7 +979,7 @@ static int pci_epf_test_bind(struct pci_epf *epf)
 	if (ret)
 		epf_test->dma_supported = false;
 
-	if (linkup_notifier) {
+	if (linkup_notifier || core_init_notifier) {
 		epf->nb.notifier_call = pci_epf_test_notifier;
 		pci_epc_register_notifier(epc, &epf->nb);
 	} else {