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Merge tag 'devprop-fix-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

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Pull device properties framework fix from Rafael Wysocki:
 "This fixes a problem with bool properties that could be seen as "true"
  when the property was not present at all by adding a special helper
  for bool properties with checks for all of the requisute conditions
  (Sakari Ailus)"

* tag 'devprop-fix-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  device property: Introduce fwnode_call_bool_op() for ops that return bool
This commit is contained in:
Linus Torvalds
2017-07-14 22:39:35 -07:00
parent 1ef27400c5 e8158b486d
commit 96d0d831a5
2 changed files with 7 additions and 3 deletions
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4
include/linux/fwnode.h
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@@ -99,6 +99,10 @@ struct fwnode_operations {
(fwnode ? (fwnode_has_op(fwnode, op) ? \
(fwnode)->ops->op(fwnode, ## __VA_ARGS__) : -ENXIO) : \
-EINVAL)
#define fwnode_call_bool_op(fwnode, op, ...) \
(fwnode ? (fwnode_has_op(fwnode, op) ? \
(fwnode)->ops->op(fwnode, ## __VA_ARGS__) : false) : \
false)
#define fwnode_call_ptr_op(fwnode, op, ...) \
(fwnode_has_op(fwnode, op) ? \
(fwnode)->ops->op(fwnode, ## __VA_ARGS__) : NULL)