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Diffstat (limited to 'drivers/s390/cio/cmf.c')
| -rw-r--r-- | drivers/s390/cio/cmf.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index de7074fc6a2c..b2afad5a5682 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -1312,6 +1312,19 @@ int cmf_reenable(struct ccw_device *cdev) return cmbops->set(cdev, 2); } +/** + * cmf_reactivate() - reactivate measurement block updates + * + * Use this during resume from hibernate. + */ +void cmf_reactivate(void) +{ + spin_lock(&cmb_area.lock); + if (!list_empty(&cmb_area.list)) + cmf_activate(cmb_area.mem, 1); + spin_unlock(&cmb_area.lock); +} + static int __init init_cmbe(void) { cmbe_cache = kmem_cache_create("cmbe_cache", sizeof(struct cmbe), |