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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 11:04:49 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 11:04:49 +0100 |
| commit | 348324c5b10bcba8d9daabdfb85a6927311be34f (patch) | |
| tree | d06ca3a264407a14a1f36c1b798d6dc0dc1582d8 /drivers/virtio/virtio_mmio.c | |
| parent | Input: pmic8xxx-pwrkey - migrate to regmap APIs (diff) | |
| parent | Linux 3.13-rc4 (diff) | |
| download | linux-348324c5b10bcba8d9daabdfb85a6927311be34f.tar.xz linux-348324c5b10bcba8d9daabdfb85a6927311be34f.zip | |
Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
Diffstat (limited to 'drivers/virtio/virtio_mmio.c')
| -rw-r--r-- | drivers/virtio/virtio_mmio.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 1ba0d6831015..c600ccfd6922 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -219,13 +219,14 @@ static void vm_reset(struct virtio_device *vdev) /* Transport interface */ /* the notify function used when creating a virt queue */ -static void vm_notify(struct virtqueue *vq) +static bool vm_notify(struct virtqueue *vq) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vq->vdev); /* We write the queue's selector into the notification register to * signal the other end */ writel(vq->index, vm_dev->base + VIRTIO_MMIO_QUEUE_NOTIFY); + return true; } /* Notify all virtqueues on an interrupt. */ @@ -470,7 +471,7 @@ static int virtio_mmio_probe(struct platform_device *pdev) /* Check magic value */ magic = readl(vm_dev->base + VIRTIO_MMIO_MAGIC_VALUE); - if (memcmp(&magic, "virt", 4) != 0) { + if (magic != ('v' | 'i' << 8 | 'r' << 16 | 't' << 24)) { dev_warn(&pdev->dev, "Wrong magic value 0x%08lx!\n", magic); return -ENODEV; } |