From: Cornelia Huck

No need to define a static device for the kvm_s390 root device,
just use s390_root_dev_register().

This is needed for the bus_id rework

Acked-by: Carsten Otte
Cc: Kay Sievers
Signed-off-by: Cornelia Huck
Signed-off-by: Greg Kroah-Hartman

---
drivers/s390/kvm/kvm_virtio.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)

--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -23,6 +23,7 @@
#include
#include
#include
+#include

#define VIRTIO_SUBCODE_64 0x0D00

@@ -236,10 +237,7 @@ static struct virtio_config_ops kvm_vq_c
* The root device for the kvm virtio devices.
* This makes them appear as /sys/devices/kvm_s390/0,1,2 not /sys/devices/0,1,2.
*/
-static struct device kvm_root = {
- .parent = NULL,
- .bus_id = "kvm_s390",
-};
+static struct device *kvm_root;

/*
* adds a new device and register it with virtio
@@ -256,7 +254,7 @@ static void add_kvm_device(struct kvm_de
return;
}

- kdev->vdev.dev.parent = &kvm_root;
+ kdev->vdev.dev.parent = kvm_root;
kdev->vdev.id.device = d->type;
kdev->vdev.config = &kvm_vq_configspace_ops;
kdev->desc = d;
@@ -312,15 +310,16 @@ static int __init kvm_devices_init(void)
if (!MACHINE_IS_KVM)
return -ENODEV;

- rc = device_register(&kvm_root);
- if (rc) {
+ kvm_root = s390_root_dev_register("kvm_s390");
+ if (IS_ERR(kvm_root)) {
+ rc = PTR_ERR(kvm_root);
printk(KERN_ERR "Could not register kvm_s390 root device");
return rc;
}

rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE);
if (rc) {
- device_unregister(&kvm_root);
+ s390_root_dev_unregister(kvm_root);
return rc;
}

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