[PATCH v1 7/8] software node: Introduce SOFTWARE_NODE_REFERENCE() helper macro

Andy Shevchenko
2021-03-27T22:21:14Z

This is useful to assign software node reference with arguments
in a common way. Moreover, we have already couple of users that
may be converted. And by the fact, one of them is moved right here
to use the helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/base/test/property-entry-test.c | 11 ++---------
include/linux/property.h | 13 ++++++++-----
2 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/base/test/property-entry-test.c b/drivers/base/test/property-entry-test.c
index abe03315180f..c2e455d46ffd 100644
--- a/drivers/base/test/property-entry-test.c
+++ b/drivers/base/test/property-entry-test.c
@@ -370,15 +370,8 @@ static void pe_test_reference(struct kunit *test)
};

static const struct software_node_ref_args refs[] = {
- {
- .node = &nodes[0],
- .nargs = 0,
- },
- {
- .node = &nodes[1],
- .nargs = 2,
- .args = { 3, 4 },
- },
+ SOFTWARE_NODE_REFERENCE(&nodes[0]),
+ SOFTWARE_NODE_REFERENCE(&nodes[1], 3, 4),
};

const struct property_entry entries[] = {
diff --git a/include/linux/property.h b/include/linux/property.h
index dd4687b56239..0d876316e61d 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -254,6 +254,13 @@ struct software_node_ref_args {
u64 args[NR_FWNODE_REFERENCE_ARGS];
};

+#define SOFTWARE_NODE_REFERENCE(_ref_, ...) \
+(const struct software_node_ref_args) { \
+ .node = _ref_, \
+ .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \
+ .args = { __VA_ARGS__ }, \
+}
+
/**
* struct property_entry - "Built-in" device property representation.
* @name: Name of the property.
@@ -362,11 +369,7 @@ struct property_entry {
.name = _name_, \
.length = sizeof(struct software_node_ref_args), \
.type = DEV_PROP_REF, \
- { .pointer = &(const struct software_node_ref_args) { \
- .node = _ref_, \
- .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \
- .args = { __VA_ARGS__ }, \
- } }, \
+ { .pointer = &SOFTWARE_NODE_REFERENCE(_ref_, ##__VA_ARGS__), }, \
}

struct property_entry *
--
2.30.2