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authorJulian Wiedmann <jwi@linux.ibm.com>2018-09-14 13:47:41 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-10-08 09:09:59 +0200
commit346e485d42e2d8c9b5739e6f2acb5052be0fef9e (patch)
tree8996e66d798d3ea3d7b2e1ec50d8203dc324012e /arch
parent00fab2350e6b91e57b3cdcd5d9f01056775a921d (diff)
s390/ccwgroup: add get_ccwgroupdev_by_busid()
Provide function to find a ccwgroup device by its busid. Acked-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/include/asm/ccwgroup.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 860cab7479c3..7293c139dd79 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -64,6 +64,8 @@ extern int ccwgroup_driver_register (struct ccwgroup_driver *cdriver);
extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver);
int ccwgroup_create_dev(struct device *root, struct ccwgroup_driver *gdrv,
int num_devices, const char *buf);
+struct ccwgroup_device *get_ccwgroupdev_by_busid(struct ccwgroup_driver *gdrv,
+ char *bus_id);
extern int ccwgroup_set_online(struct ccwgroup_device *gdev);
extern int ccwgroup_set_offline(struct ccwgroup_device *gdev);