powerpc/vio: Separate vio bus probe and device probe

Similar to PCI, separate the bus probe from device probe. This allows
us to attach bus notifiers for DMA debug and IOMMU fault injection
before devices have been probed.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 7d05fe2b5637049c2f158fa537099c958da6dfbe..3bb5be5da31c0ec743537cd07d4fd97761d9f616 100644 (file)
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1497,12 +1497,18 @@ static int __init vio_bus_init(void)
        if (firmware_has_feature(FW_FEATURE_CMO))
                vio_cmo_bus_init();
 
+       return 0;
+}
+postcore_initcall(vio_bus_init);
+
+static int __init vio_device_init(void)
+{
        vio_bus_scan_register_devices("vdevice");
        vio_bus_scan_register_devices("ibm,platform-facilities");
 
        return 0;
 }
-__initcall(vio_bus_init);
+device_initcall(vio_device_init);
 
 static ssize_t name_show(struct device *dev,
                struct device_attribute *attr, char *buf)