[PATCH v4 02/14] software node: introduce PROPERTY_ENTRY_ARRAY_XXX_LEN()

Dmitry Torokhov
2019-09-11T05:12:41Z

Sometimes we want to initialize property entry array from a regular
pointer, when we can't determine length automatically via ARRAY_SIZE.
Let's introduce PROPERTY_ENTRY_ARRAY_XXX_LEN macros that take explicit
"len" argument.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
include/linux/property.h | 45 +++++++++++++++++++++++++---------------
1 file changed, 28 insertions(+), 17 deletions(-)

diff --git a/include/linux/property.h b/include/linux/property.h
index 44c1704f7163..f89b930ca4b7 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -256,33 +256,44 @@ struct property_entry {
* and structs.
*/

-#define PROPERTY_ENTRY_INTEGER_ARRAY(_name_, _type_, _Type_, _val_) \
+#define PROPERTY_ENTRY_ARRAY_LEN(_name_, _type_, _Type_, _val_, _len_) \
(struct property_entry) { \
.name = _name_, \
- .length = ARRAY_SIZE(_val_) * sizeof(_type_), \
+ .length = (_len_) * sizeof(_type_), \
.is_array = true, \
.type = DEV_PROP_##_Type_, \
{ .pointer = { ._type_##_data = _val_ } }, \
}

-#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
- PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u8, U8, _val_)
-#define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \
- PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u16, U16, _val_)
-#define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \
- PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u32, U32, _val_)
-#define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \
- PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u64, U64, _val_)
+#define PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, _len_) \
+ PROPERTY_ENTRY_ARRAY_LEN(_name_, u8, U8, _val_, _len_)
+#define PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, _len_) \
+ PROPERTY_ENTRY_ARRAY_LEN(_name_, u16, U16, _val_, _len_)
+#define PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, _len_) \
+ PROPERTY_ENTRY_ARRAY_LEN(_name_, u32, U32, _val_, _len_)
+#define PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, _len_) \
+ PROPERTY_ENTRY_ARRAY_LEN(_name_, u64, U64, _val_, _len_)

-#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
-(struct property_entry) { \
- .name = _name_, \
- .length = ARRAY_SIZE(_val_) * sizeof(const char *), \
- .is_array = true, \
- .type = DEV_PROP_STRING, \
- { .pointer = { .str = _val_ } }, \
+#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 = { .str = _val_ } }, \
}

+#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
+#define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
+#define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
+#define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_))
+#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_, \
--
2.23.0.162.g0b9fbb3734-goog