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software node: Introduce SOFTWARE_NODE_REFERENCE() helper macro

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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.

Tested-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210329151207.36619-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-03-29 18:12:06 +03:00 committed by Greg Kroah-Hartman
parent 4a32e384e8
commit e588fead04
2 changed files with 10 additions and 14 deletions
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11
drivers/base/test/property-entry-test.c
View File

@ -412,15 +412,8 @@ 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[] = {

13
include/linux/property.h
View File

@ -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 *