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Subject[PATCH v3 08/13] software node: introduce PROPERTY_ENTRY_ARRAY_XXX_LEN()
Date
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 | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/include/linux/property.h b/include/linux/property.h
index 911ace267247..793d05cbc3b2 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -280,6 +280,25 @@ struct property_entry {
#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_ARRAY(_name_, str, STRING, _val_)

+#define PROPERTY_ENTRY_ARRAY_LEN(_name_, _elem_, _Type_, _val_, _len_) \
+(struct property_entry) { \
+ .name = _name_, \
+ .length = (_len_) * PROPERTY_ENTRY_ELSIZE(_elem_), \
+ .type = DEV_PROP_##_Type_, \
+ .pointer._elem_ = _val_, \
+}
+
+#define PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _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_data, U16, _val_, _len_)
+#define PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _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_data, U64, _val_, _len_)
+#define PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, _len_) \
+ PROPERTY_ENTRY_ARRAY_LEN(_name_, str, STRING, _val_, _len_)
+
#define PROPERTY_ENTRY_ELEMENT(_name_, _elem_, _Type_, _val_) \
(struct property_entry) { \
.name = _name_, \
--
2.23.0.187.g17f5b7556c-goog
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