From: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
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 <cotte@xxxxxxxxxx>
Cc: Kay Sievers <kay.sievers@xxxxxxxx>
Signed-off-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
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 <asm/kvm_virtio.h>
#include <asm/setup.h>
#include <asm/s390_ext.h>
+#include <asm/s390_rdev.h>
#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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