Commit 8514c470 authored Jul 11, 2018 by Greg Kroah-Hartman

driver core: add BUS_ATTR_WO() macro



Many bus attributes are write-only, so provide a simple macro for that
to be able to match the other driver core attribute macros.

Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent a75e78f2

include/linux/device.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,8 @@ struct bus_attribute {
		struct bus_attribute bus_attr_##_name = __ATTR_RW(_name)
		#define BUS_ATTR_RO(_name) \
		struct bus_attribute bus_attr_##_name = __ATTR_RO(_name)
		#define BUS_ATTR_WO(_name) \
		struct bus_attribute bus_attr_##_name = __ATTR_WO(_name)

		extern int __must_check bus_create_file(struct bus_type *,
		struct bus_attribute *);