[Intel-gfx] [PATCH 04/13] vfio/samples: Delete useless open/close

2021-07-14 Thread Jason Gunthorpe
The core code no longer requires these ops to be defined, so delete these
empty functions and leave the op as NULL. mtty's functions only log a
pointless message, delete that entirely.

Signed-off-by: Yishai Hadas 
Signed-off-by: Jason Gunthorpe 
---
 samples/vfio-mdev/mbochs.c |  6 --
 samples/vfio-mdev/mdpy.c   | 11 ---
 samples/vfio-mdev/mtty.c   | 13 -
 3 files changed, 30 deletions(-)

diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index cf264d0bf11053..199273bebcc0e2 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -1274,11 +1274,6 @@ static long mbochs_ioctl(struct vfio_device *vdev, 
unsigned int cmd,
return -ENOTTY;
 }
 
-static int mbochs_open(struct vfio_device *vdev)
-{
-   return 0;
-}
-
 static void mbochs_close(struct vfio_device *vdev)
 {
struct mdev_state *mdev_state =
@@ -1397,7 +1392,6 @@ static struct attribute_group *mdev_type_groups[] = {
 };
 
 static const struct vfio_device_ops mbochs_dev_ops = {
-   .open = mbochs_open,
.release = mbochs_close,
.read = mbochs_read,
.write = mbochs_write,
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c
index 57334034cde6dd..8d1a80a0722aa9 100644
--- a/samples/vfio-mdev/mdpy.c
+++ b/samples/vfio-mdev/mdpy.c
@@ -614,15 +614,6 @@ static long mdpy_ioctl(struct vfio_device *vdev, unsigned 
int cmd,
return -ENOTTY;
 }
 
-static int mdpy_open(struct vfio_device *vdev)
-{
-   return 0;
-}
-
-static void mdpy_close(struct vfio_device *vdev)
-{
-}
-
 static ssize_t
 resolution_show(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -717,8 +708,6 @@ static struct attribute_group *mdev_type_groups[] = {
 };
 
 static const struct vfio_device_ops mdpy_dev_ops = {
-   .open = mdpy_open,
-   .release = mdpy_close,
.read = mdpy_read,
.write = mdpy_write,
.ioctl = mdpy_ioctl,
diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 37cc9067e1601d..5983cdb16e3d1d 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -1207,17 +1207,6 @@ static long mtty_ioctl(struct vfio_device *vdev, 
unsigned int cmd,
return -ENOTTY;
 }
 
-static int mtty_open(struct vfio_device *vdev)
-{
-   pr_info("%s\n", __func__);
-   return 0;
-}
-
-static void mtty_close(struct vfio_device *mdev)
-{
-   pr_info("%s\n", __func__);
-}
-
 static ssize_t
 sample_mtty_dev_show(struct device *dev, struct device_attribute *attr,
 char *buf)
@@ -1325,8 +1314,6 @@ static struct attribute_group *mdev_type_groups[] = {
 
 static const struct vfio_device_ops mtty_dev_ops = {
.name = "vfio-mtty",
-   .open = mtty_open,
-   .release = mtty_close,
.read = mtty_read,
.write = mtty_write,
.ioctl = mtty_ioctl,
-- 
2.32.0

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Re: [Intel-gfx] [PATCH 04/13] vfio/samples: Delete useless open/close

2021-07-19 Thread Cornelia Huck
On Wed, Jul 14 2021, Jason Gunthorpe  wrote:

> The core code no longer requires these ops to be defined, so delete these
> empty functions and leave the op as NULL. mtty's functions only log a
> pointless message, delete that entirely.
>
> Signed-off-by: Yishai Hadas 
> Signed-off-by: Jason Gunthorpe 
> ---
>  samples/vfio-mdev/mbochs.c |  6 --
>  samples/vfio-mdev/mdpy.c   | 11 ---
>  samples/vfio-mdev/mtty.c   | 13 -
>  3 files changed, 30 deletions(-)

Reviewed-by: Cornelia Huck 

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