[PATCH v5 08/14] software node: unify PROPERTY_ENTRY_XXX macros

Dmitry Torokhov
2019-10-11T23:08:12Z

We can unify string properties initializer macros with integer
initializers.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
include/linux/property.h | 64 +++++++++++++++++-----------------------
1 file changed, 27 insertions(+), 37 deletions(-)

diff --git a/include/linux/property.h b/include/linux/property.h
index ec8f84d564a8..238e1507925f 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -245,37 +245,33 @@ struct property_entry {
};

/*
- * Note: the below four initializers for the anonymous union are carefully
+ * Note: the below initializers for the anonymous union are carefully
* crafted to avoid gcc-4.4.4's problems with initialization of anon unions
* and structs.
*/

-#define __PROPERTY_ENTRY_ARRAY_LEN(_name_, _type_, _Type_, _val_, _len_)\
+#define __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_) \
+ sizeof(((struct property_entry *)NULL)->value._elem_)
+
+#define __PROPERTY_ENTRY_ARRAY_LEN(_name_, _elem_, _Type_, _val_, _len_)\
(struct property_entry) { \
.name = _name_, \
- .length = (_len_) * sizeof(_type_), \
+ .length = (_len_) * __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_), \
.is_array = true, \
.type = DEV_PROP_##_Type_, \
{ .pointer = _val_ }, \
}

#define PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, _len_) \
- __PROPERTY_ENTRY_ARRAY_LEN(_name_, u8, U8, _val_, _len_)
+ __PROPERTY_ENTRY_ARRAY_LEN(_name_, u8_data, U8, _val_, _len_)
#define PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, _len_) \
- __PROPERTY_ENTRY_ARRAY_LEN(_name_, u16, U16, _val_, _len_)
+ __PROPERTY_ENTRY_ARRAY_LEN(_name_, u16_data, U16, _val_, _len_)
#define PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, _len_) \
- __PROPERTY_ENTRY_ARRAY_LEN(_name_, u32, U32, _val_, _len_)
+ __PROPERTY_ENTRY_ARRAY_LEN(_name_, u32_data, U32, _val_, _len_)
#define PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, _len_) \
- __PROPERTY_ENTRY_ARRAY_LEN(_name_, u64, U64, _val_, _len_)
-
+ __PROPERTY_ENTRY_ARRAY_LEN(_name_, u64_data, U64, _val_, _len_)
#define PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, _len_) \
-(struct property_entry) { \
- .name = _name_, \
- .length = (_len_) * sizeof(const char *), \
- .is_array = true, \
- .type = DEV_PROP_STRING, \
- { .pointer = _val_ }, \
-}
+ __PROPERTY_ENTRY_ARRAY_LEN(_name_, str, STRING, _val_, _len_)

#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
@@ -288,30 +284,24 @@ struct property_entry {
#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))

-#define __PROPERTY_ENTRY_INTEGER(_name_, _type_, _Type_, _val_) \
-(struct property_entry) { \
- .name = _name_, \
- .length = sizeof(_type_), \
- .type = DEV_PROP_##_Type_, \
- { .value = { ._type_##_data = _val_ } }, \
+#define __PROPERTY_ENTRY_ELEMENT(_name_, _elem_, _Type_, _val_) \
+(struct property_entry) { \
+ .name = _name_, \
+ .length = __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_), \
+ .type = DEV_PROP_##_Type_, \
+ { .value = { ._elem_ = _val_ } }, \
}

-#define PROPERTY_ENTRY_U8(_name_, _val_) \
- __PROPERTY_ENTRY_INTEGER(_name_, u8, U8, _val_)
-#define PROPERTY_ENTRY_U16(_name_, _val_) \
- __PROPERTY_ENTRY_INTEGER(_name_, u16, U16, _val_)
-#define PROPERTY_ENTRY_U32(_name_, _val_) \
- __PROPERTY_ENTRY_INTEGER(_name_, u32, U32, _val_)
-#define PROPERTY_ENTRY_U64(_name_, _val_) \
- __PROPERTY_ENTRY_INTEGER(_name_, u64, U64, _val_)
-
-#define PROPERTY_ENTRY_STRING(_name_, _val_) \
-(struct property_entry) { \
- .name = _name_, \
- .length = sizeof(const char *), \
- .type = DEV_PROP_STRING, \
- { .value = { .str = _val_ } }, \
-}
+#define PROPERTY_ENTRY_U8(_name_, _val_) \
+ __PROPERTY_ENTRY_ELEMENT(_name_, u8_data, U8, _val_)
+#define PROPERTY_ENTRY_U16(_name_, _val_) \
+ __PROPERTY_ENTRY_ELEMENT(_name_, u16_data, U16, _val_)
+#define PROPERTY_ENTRY_U32(_name_, _val_) \
+ __PROPERTY_ENTRY_ELEMENT(_name_, u32_data, U32, _val_)
+#define PROPERTY_ENTRY_U64(_name_, _val_) \
+ __PROPERTY_ENTRY_ELEMENT(_name_, u64_data, U64, _val_)
+#define PROPERTY_ENTRY_STRING(_name_, _val_) \
+ __PROPERTY_ENTRY_ELEMENT(_name_, str, STRING, _val_)

#define PROPERTY_ENTRY_BOOL(_name_) \
(struct property_entry) { \
--
2.23.0.700.g56cf767bdb-goog