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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2017-02-15 11:45:07 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-05-23 08:06:58 +0200 |
| commit | a166c368e7dbc84a5d8f013d9fda99f47f9c9f13 (patch) | |
| tree | c6e16d75453221b62407f766f98120e2d4a28daf /drivers/s390/cio | |
| parent | 199652309a4d6635fca19d7528d73ab9e219bd9a (diff) | |
| download | linux-0-day-a166c368e7dbc84a5d8f013d9fda99f47f9c9f13.tar.gz linux-0-day-a166c368e7dbc84a5d8f013d9fda99f47f9c9f13.tar.xz | |
s390/cio: add test for ccwgroup device
Add a test to check if a given device is a ccwgroup device.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
| -rw-r--r-- | drivers/s390/cio/ccwgroup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 5535312602afd..db9c854088bc8 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -561,6 +561,12 @@ static struct bus_type ccwgroup_bus_type = { .pm = &ccwgroup_pm_ops, }; +bool dev_is_ccwgroup(struct device *dev) +{ + return dev->bus == &ccwgroup_bus_type; +} +EXPORT_SYMBOL(dev_is_ccwgroup); + /** * ccwgroup_driver_register() - register a ccw group driver * @cdriver: driver to be registered |