diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/cio/device_ops.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index ec7fb6d3b479..2ad832f8e340 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -763,6 +763,18 @@ _ccw_device_get_subchannel_number(struct ccw_device *cdev) return cdev->private->schid.sch_no; } +/** + * ccw_device_get_schid - obtain a subchannel id + * @cdev: device to obtain the id for + * @schid: where to fill in the values + */ +void ccw_device_get_schid(struct ccw_device *cdev, struct subchannel_id *schid) +{ + struct subchannel *sch = to_subchannel(cdev->dev.parent); + + *schid = sch->schid; +} +EXPORT_SYMBOL_GPL(ccw_device_get_schid); MODULE_LICENSE("GPL"); EXPORT_SYMBOL(ccw_device_set_options_mask); |