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Subject[PATCH 3/3] software node: remove separate handling of references
Date
Now that all users of references have moved to reference properties,
we can remove separate handling of references.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/base/swnode.c | 31 +++++++++----------------------
include/linux/property.h | 26 ++++++--------------------
2 files changed, 15 insertions(+), 42 deletions(-)

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 01325705b8e4..21771b29b641 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -568,7 +568,6 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
{
struct swnode *swnode = to_swnode(fwnode);
const struct software_node_reference *ref;
- const struct software_node_ref_args *ref_args;
const struct property_entry *prop;
struct fwnode_handle *refnode;
int i;
@@ -577,30 +576,18 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
return -ENOENT;

prop = property_entry_get(swnode->node->properties, propname);
- if (prop) {
- if (prop->type != DEV_PROP_REF)
- return -EINVAL;
-
- if (index * sizeof(*ref_args) >= prop->length)
- return -ENOENT;
-
- ref_args = prop->is_array ?
- &prop->pointer.ref[index] : &prop->value.ref;
- } else {
- if (!swnode->node->references)
- return -ENOENT;
+ if (!prop)
+ return -ENOENT;

- for (ref = swnode->node->references; ref->name; ref++)
- if (!strcmp(ref->name, propname))
- break;
+ if (prop->type != DEV_PROP_REF)
+ return -EINVAL;

- if (!ref->name || index > (ref->nrefs - 1))
- return -ENOENT;
+ if (index * sizeof(*ref) >= prop->length)
+ return -ENOENT;

- ref_args = &ref->refs[index];
- }
+ ref = prop->is_array ? &prop->pointer.ref[index] : &prop->value.ref;

- refnode = software_node_fwnode(ref_args->node);
+ refnode = software_node_fwnode(ref->node);
if (!refnode)
return -ENOENT;

@@ -619,7 +606,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
args->nargs = nargs;

for (i = 0; i < nargs; i++)
- args->args[i] = ref_args->args[i];
+ args->args[i] = ref->args[i];

return 0;
}
diff --git a/include/linux/property.h b/include/linux/property.h
index b25440344743..005b90d9e608 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -223,12 +223,12 @@ static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode,
struct software_node;

/**
- * struct software_node_ref_args - Reference property with additional arguments
+ * struct software_node_reference - Named software node reference property
* @node: Reference to a software node
* @nargs: Number of elements in @args array
* @args: Integer arguments
*/
-struct software_node_ref_args {
+struct software_node_reference {
const struct software_node *node;
unsigned int nargs;
u64 args[NR_FWNODE_REFERENCE_ARGS];
@@ -255,7 +255,7 @@ struct property_entry {
const u32 *u32_data;
const u64 *u64_data;
const char * const *str;
- const struct software_node_ref_args *ref;
+ const struct software_node_reference *ref;
} pointer;
union {
u8 u8_data;
@@ -263,7 +263,7 @@ struct property_entry {
u32 u32_data;
u64 u64_data;
const char *str;
- struct software_node_ref_args ref;
+ struct software_node_reference ref;
} value;
};
};
@@ -305,7 +305,7 @@ struct property_entry {
(struct property_entry) { \
.name = _name_, \
.length = ARRAY_SIZE(_val_) * \
- sizeof(struct software_node_ref_args), \
+ sizeof(struct software_node_reference), \
.is_array = true, \
.type = DEV_PROP_REF, \
.pointer.ref = _val_, \
@@ -344,7 +344,7 @@ struct property_entry {
#define PROPERTY_ENTRY_REF(_name_, _ref_, ...) \
(struct property_entry) { \
.name = _name_, \
- .length = sizeof(struct software_node_ref_args), \
+ .length = sizeof(struct software_node_reference), \
.type = DEV_PROP_REF, \
.value.ref.node = _ref_, \
.value.ref.nargs = \
@@ -415,30 +415,16 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
/* -------------------------------------------------------------------------- */
/* Software fwnode support - when HW description is incomplete or missing */

-/**
- * struct software_node_reference - Named software node reference property
- * @name: Name of the property
- * @nrefs: Number of elements in @refs array
- * @refs: Array of references with optional arguments
- */
-struct software_node_reference {
- const char *name;
- unsigned int nrefs;
- const struct software_node_ref_args *refs;
-};
-
/**
* struct software_node - Software node description
* @name: Name of the software node
* @parent: Parent of the software node
* @properties: Array of device properties
- * @references: Array of software node reference properties
*/
struct software_node {
const char *name;
const struct software_node *parent;
const struct property_entry *properties;
- const struct software_node_reference *references;
};

bool is_software_node(const struct fwnode_handle *fwnode);
--
2.23.0.187.g17f5b7556c-goog
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