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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-19 17:24:32 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-22 11:59:23 +0200 |
| commit | e323b2dddc1ce7ea7f032c986c012a04d5977dc8 (patch) | |
| tree | 86b6f483126bcd2e0845cbb4d2aeafe11ebdeca1 | |
| parent | a7670d425b75f9e44b7d4d0aea04f4a6d5f34291 (diff) | |
| download | linux-e323b2dddc1ce7ea7f032c986c012a04d5977dc8.tar.bz2 | |
driver core: add device_{add|remove}_group() helpers
We have helpers that work with NULL terminated array of groups, but many
drivers only create a single supplemental group, and do not want to declare
a group array. Let's provide them with helpers working with a single group.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/device.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 10cf209a4e82..7698a513b35e 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1205,6 +1205,22 @@ extern int __must_check device_add_groups(struct device *dev, extern void device_remove_groups(struct device *dev, const struct attribute_group **groups); +static inline int __must_check device_add_group(struct device *dev, + const struct attribute_group *grp) +{ + const struct attribute_group *groups[] = { grp, NULL }; + + return device_add_groups(dev, groups); +} + +static inline void device_remove_group(struct device *dev, + const struct attribute_group *grp) +{ + const struct attribute_group *groups[] = { grp, NULL }; + + return device_remove_groups(dev, groups); +} + /* * Platform "fixup" functions - allow the platform to have their say * about devices and actions that the general device layer doesn't |