Nothing uses this anymore, delete it.
Signed-off-by: Yishai Hadas
Reviewed-by: Christoph Hellwig
Signed-off-by: Jason Gunthorpe
---
drivers/vfio/mdev/vfio_mdev.c | 22 --
drivers/vfio/vfio.c | 14 +-
include/linux/mdev.h | 7 ---
include/linux/vfio.h | 4
4 files changed, 1 insertion(+), 46 deletions(-)
diff --git a/drivers/vfio/mdev/vfio_mdev.c b/drivers/vfio/mdev/vfio_mdev.c
index e12196ffd48718..7a9883048216e7 100644
--- a/drivers/vfio/mdev/vfio_mdev.c
+++ b/drivers/vfio/mdev/vfio_mdev.c
@@ -37,26 +37,6 @@ static void vfio_mdev_close_device(struct vfio_device
*core_vdev)
parent->ops->close_device(mdev);
}
-static int vfio_mdev_open(struct vfio_device *core_vdev)
-{
- struct mdev_device *mdev = to_mdev_device(core_vdev->dev);
- struct mdev_parent *parent = mdev->type->parent;
-
- if (unlikely(!parent->ops->open))
- return 0;
-
- return parent->ops->open(mdev);
-}
-
-static void vfio_mdev_release(struct vfio_device *core_vdev)
-{
- struct mdev_device *mdev = to_mdev_device(core_vdev->dev);
- struct mdev_parent *parent = mdev->type->parent;
-
- if (likely(parent->ops->release))
- parent->ops->release(mdev);
-}
-
static long vfio_mdev_unlocked_ioctl(struct vfio_device *core_vdev,
unsigned int cmd, unsigned long arg)
{
@@ -122,8 +102,6 @@ static const struct vfio_device_ops vfio_mdev_dev_ops = {
.name = "vfio-mdev",
.open_device= vfio_mdev_open_device,
.close_device = vfio_mdev_close_device,
- .open = vfio_mdev_open,
- .release= vfio_mdev_release,
.ioctl = vfio_mdev_unlocked_ioctl,
.read = vfio_mdev_read,
.write = vfio_mdev_write,
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 9cc17768c42554..3c034fe14ccb03 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1470,19 +1470,13 @@ static int vfio_group_get_device_fd(struct vfio_group
*group, char *buf)
}
mutex_unlock(&device->dev_set->lock);
- if (device->ops->open) {
- ret = device->ops->open(device);
- if (ret)
- goto err_close_device;
- }
-
/*
* We can't use anon_inode_getfd() because we need to modify
* the f_mode flags directly to allow more than just ioctls
*/
fdno = ret = get_unused_fd_flags(O_CLOEXEC);
if (ret < 0)
- goto err_release;
+ goto err_close_device;
filep = anon_inode_getfile("[vfio-device]", &vfio_device_fops,
device, O_RDWR);
@@ -1509,9 +1503,6 @@ static int vfio_group_get_device_fd(struct vfio_group
*group, char *buf)
err_fd:
put_unused_fd(fdno);
-err_release:
- if (device->ops->release)
- device->ops->release(device);
err_close_device:
mutex_lock(&device->dev_set->lock);
if (device->open_count == 1 && device->ops->close_device)
@@ -1659,9 +1650,6 @@ static int vfio_device_fops_release(struct inode *inode,
struct file *filep)
{
struct vfio_device *device = filep->private_data;
- if (device->ops->release)
- device->ops->release(device);
-
mutex_lock(&device->dev_set->lock);
if (!--device->open_count && device->ops->close_device)
device->ops->close_device(device);
diff --git a/include/linux/mdev.h b/include/linux/mdev.h
index cb5b7ed1d7c30d..68427e8fadebd6 100644
--- a/include/linux/mdev.h
+++ b/include/linux/mdev.h
@@ -72,11 +72,6 @@ struct device *mtype_get_parent_dev(struct mdev_type *mtype);
* @mdev: mdev_device device structure which is being
*destroyed
* Returns integer: success (0) or error (< 0)
- * @open: Open mediated device.
- * @mdev: mediated device.
- * Returns integer: success (0) or error (< 0)
- * @release: release mediated device
- * @mdev: mediated device.
* @read: Read emulation callback
* @mdev: mediated device structure
* @buf: read buffer
@@ -113,8 +108,6 @@ struct mdev_parent_ops {
int (*remove)(struct mdev_device *mdev);
int (*open_device)(struct mdev_device *mdev);
void(*close_device)(struct mdev_device *mdev);
- int (*open)(struct mdev_device *mdev);
- void(*release)(struct mdev_device *mdev);
ssize_t (*read)(struct mdev_device *mdev, char __user *buf,
size_t count, loff_t *ppos);
ssize_t (*write)(struct mdev_device *mdev, const char __user *buf,
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index f0e6a72875e471..b53a9557884ada 100644
--- a/
