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Diffstat (limited to 'arch/s390/pci/pci.c')
-rw-r--r--arch/s390/pci/pci.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index bf7c73d71eef..e3265b50f3ae 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -920,6 +920,7 @@ static void zpci_mem_exit(void)
}
static unsigned int s390_pci_probe;
+static unsigned int s390_pci_initialized;
char * __init pcibios_setup(char *str)
{
@@ -930,6 +931,11 @@ char * __init pcibios_setup(char *str)
return str;
}
+bool zpci_is_enabled(void)
+{
+ return s390_pci_initialized;
+}
+
static int __init pci_base_init(void)
{
int rc;
@@ -961,6 +967,7 @@ static int __init pci_base_init(void)
if (rc)
goto out_find;
+ s390_pci_initialized = 1;
return 0;
out_find:
@@ -978,5 +985,6 @@ subsys_initcall_sync(pci_base_init);
void zpci_rescan(void)
{
- clp_rescan_pci_devices_simple();
+ if (zpci_is_enabled())
+ clp_rescan_pci_devices_simple();
}