Messages in this thread Patch in this message |  | | From | Dmitry Torokhov <> | Subject | [PATCH v2 3/7] driver core: add device_{add|remove}_group() helpers | Date | Wed, 19 Jul 2017 17:24:32 -0700 |
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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> --- include/linux/device.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
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 -- 2.14.0.rc0.284.gd933b75aa4-goog
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