UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

vfio/ccw: Flatten MDEV device (un)register 

The vfio_ccw_mdev_(un)reg routines are merely vfio-ccw routines that
pass control to mdev_(un)register_device. Since there's only one
caller of each, let's just call the mdev routines directly.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/20220707135737.720765-7-farman@linux.ibm.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Eric Farman 2022-07-07 15:57:32 +02:00 committed by Alex Williamson
parent 8557d73bdd
commit 09205a7659
3 changed files with 2 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/s390/cio/vfio_ccw_drv.c
View File

@ -240,7 +240,7 @@ static int vfio_ccw_sch_probe(struct subchannel *sch)
private->state = VFIO_CCW_STATE_STANDBY;
ret = vfio_ccw_mdev_reg(sch);
ret = mdev_register_device(&sch->dev, &vfio_ccw_mdev_driver);
if (ret)
goto out_disable;
@ -262,7 +262,7 @@ static void vfio_ccw_sch_remove(struct subchannel *sch)
struct vfio_ccw_private *private = dev_get_drvdata(&sch->dev);
vfio_ccw_sch_quiesce(sch);
vfio_ccw_mdev_unreg(sch);
mdev_unregister_device(&sch->dev);
dev_set_drvdata(&sch->dev, NULL);

10
drivers/s390/cio/vfio_ccw_ops.c
View File

@ -654,13 +654,3 @@ struct mdev_driver vfio_ccw_mdev_driver = {
.remove = vfio_ccw_mdev_remove,
.supported_type_groups = mdev_type_groups,
};
int vfio_ccw_mdev_reg(struct subchannel *sch)
{
return mdev_register_device(&sch->dev, &vfio_ccw_mdev_driver);
}
void vfio_ccw_mdev_unreg(struct subchannel *sch)
{
mdev_unregister_device(&sch->dev);
}

3
drivers/s390/cio/vfio_ccw_private.h
View File

@ -117,9 +117,6 @@ struct vfio_ccw_private {
struct work_struct crw_work;
} __aligned(8);
int vfio_ccw_mdev_reg(struct subchannel *sch);
void vfio_ccw_mdev_unreg(struct subchannel *sch);
int vfio_ccw_sch_quiesce(struct subchannel *sch);
extern struct mdev_driver vfio_ccw_mdev_driver;