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[S390] Use s390_root_dev_* in kvm_virtio.

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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@de.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Cornelia Huck 2008-10-10 21:33:12 +02:00 committed by Martin Schwidefsky
parent b9d3aed7e1
commit 37f1c012f0
1 changed files with 7 additions and 8 deletions
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15
drivers/s390/kvm/kvm_virtio.c
View file

@ -24,6 +24,7 @@
#include <asm/kvm_virtio.h>
#include <asm/setup.h>
#include <asm/s390_ext.h>
#include <asm/s390_rdev.h>
#define VIRTIO_SUBCODE_64 0x0D00
@ -241,10 +242,7 @@ static struct virtio_config_ops kvm_vq_configspace_ops = {
* 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
@ -261,7 +259,7 @@ static void add_kvm_device(struct kvm_device_desc *d, unsigned int offset)
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;
@ -317,15 +315,16 @@ 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;
}