Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[deliverable/linux.git] / drivers / lguest / lguest_device.c

diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index a661bbdae3d62f657fc801eceb80d9afefc3e4bf..b4d44e571d76efca7a3a2f52ccdcecacf2bbe23f 100644 (file)
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -250,7 +250,7 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
        /* Figure out how many pages the ring will take, and map that memory */
        lvq->pages = lguest_map((unsigned long)lvq->config.pfn << PAGE_SHIFT,
                                DIV_ROUND_UP(vring_size(lvq->config.num,
-                                                       PAGE_SIZE),
+                                                       LGUEST_VRING_ALIGN),
                                             PAGE_SIZE));
        if (!lvq->pages) {
                err = -ENOMEM;
@@ -259,8 +259,8 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
 
        /* OK, tell virtio_ring.c to set up a virtqueue now we know its size
         * and we've got a pointer to its pages. */
-       vq = vring_new_virtqueue(lvq->config.num, vdev, lvq->pages,
-                                lg_notify, callback);
+       vq = vring_new_virtqueue(lvq->config.num, LGUEST_VRING_ALIGN,
+                                vdev, lvq->pages, lg_notify, callback);
        if (!vq) {
                err = -ENOMEM;
                goto unmap;
@@ -272,7 +272,7 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
         * the interrupt as a source of randomness: it'd be nice to have that
         * back.. */
        err = request_irq(lvq->config.irq, vring_interrupt, IRQF_SHARED,
-                         vdev->dev.bus_id, vq);
+                         dev_name(&vdev->dev), vq);
        if (err)
                goto destroy_vring;
 
@@ -321,10 +321,7 @@ static struct virtio_config_ops lguest_config_ops = {
 
 /* The root device for the lguest virtio devices.  This makes them appear as
  * /sys/devices/lguest/0,1,2 not /sys/devices/0,1,2. */
-static struct device lguest_root = {
-       .parent = NULL,
-       .bus_id = "lguest",
-};
+static struct device *lguest_root;
 
 /*D:120 This is the core of the lguest bus: actually adding a new device.
  * It's a separate function because it's neater that way, and because an
@@ -351,7 +348,7 @@ static void add_lguest_device(struct lguest_device_desc *d,
        }
 
        /* This devices' parent is the lguest/ dir. */
-       ldev->vdev.dev.parent = &lguest_root;
+       ldev->vdev.dev.parent = lguest_root;
        /* We have a unique device index thanks to the dev_index counter. */
        ldev->vdev.id.device = d->type;
        /* We have a simple set of routines for querying the device's
@@ -407,7 +404,8 @@ static int __init lguest_devices_init(void)
        if (strcmp(pv_info.name, "lguest") != 0)
                return 0;
 
-       if (device_register(&lguest_root) != 0)
+       lguest_root = root_device_register("lguest");
+       if (IS_ERR(lguest_root))
                panic("Could not register lguest root");
 
        /* Devices are in a single page above top of "normal" mem */