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authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-14 22:39:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-14 22:39:35 -0700
commit96d0d831a50054bf3fb032fba4bc65006530e362 (patch)
tree16a25c55304475524ce668a1ea903884b902e9bc /include
parent1ef27400c52bf54b34261da49968343b6cb79e32 (diff)
parente8158b486d5f3f55cf372c5a32b42f263bf7f123 (diff)
downloadlinux-96d0d831a50054bf3fb032fba4bc65006530e362.tar.bz2
Merge tag 'devprop-fix-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
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
Diffstat (limited to 'include')
-rw-r--r--include/linux/fwnode.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 9ab375419189..50893a1646cf 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -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)