From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Fri, 21 Jul 2017 14:39:36 +0300
Subject: device property: Constify fwnode property API
Git-commit: 37ba983cfb47cc7b353146422c437468fcb29c61
Patch-mainline: v4.14-rc1
References: fate#326250
Make fwnode arguments to the fwnode property API const.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
---
drivers/acpi/property.c | 52 +++++++++++++++++++-------------
drivers/base/property.c | 64 ++++++++++++++++++++++------------------
drivers/of/property.c | 34 +++++++++++----------
include/linux/acpi.h | 20 +++++++------
include/linux/fwnode.h | 26 ++++++++--------
include/linux/property.h | 63 ++++++++++++++++++++-------------------
6 files changed, 142 insertions(+), 117 deletions(-)
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 043bfcacee66..f8d60051efb8 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -898,7 +898,7 @@ int acpi_node_prop_read(const struct fwnode_handle *fwnode,
* @fwnode: Firmware node to find the next child node for.
* @child: Handle to one of the device's child nodes or a null handle.
*/
-struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode,
+struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
struct fwnode_handle *child)
{
const struct acpi_device *adev = to_acpi_device_node(fwnode);
@@ -967,7 +967,7 @@ struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode,
* Returns parent node of an ACPI device or data firmware node or %NULL if
* not available.
*/
-struct fwnode_handle *acpi_node_get_parent(struct fwnode_handle *fwnode)
+struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode)
{
if (is_acpi_data_node(fwnode)) {
/* All data nodes have parent pointer so just return that */
@@ -996,8 +996,8 @@ struct fwnode_handle *acpi_node_get_parent(struct fwnode_handle *fwnode)
* %NULL if there is no next endpoint, ERR_PTR() in case of error. In case
* of success the next endpoint is returned.
*/
-struct fwnode_handle *acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
- struct fwnode_handle *prev)
+struct fwnode_handle *acpi_graph_get_next_endpoint(
+ const struct fwnode_handle *fwnode, struct fwnode_handle *prev)
{
struct fwnode_handle *port = NULL;
struct fwnode_handle *endpoint;
@@ -1044,7 +1044,8 @@ struct fwnode_handle *acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
* the child node on success, NULL otherwise.
*/
static struct fwnode_handle *acpi_graph_get_child_prop_value(
- struct fwnode_handle *fwnode, const char *prop_name, unsigned int val)
+ const struct fwnode_handle *fwnode, const char *prop_name,
+ unsigned int val)
{
struct fwnode_handle *child;
@@ -1073,17 +1074,18 @@ static struct fwnode_handle *acpi_graph_get_child_prop_value(
* fields requested by the caller. Returns %0 in case of success and
* negative errno otherwise.
*/
-int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
+int acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode,
struct fwnode_handle **parent,
struct fwnode_handle **port,
struct fwnode_handle **endpoint)
{
+ struct fwnode_handle *fwnode;
unsigned int port_nr, endpoint_nr;
struct acpi_reference_args args;
int ret;
memset(&args, 0, sizeof(args));
- ret = acpi_node_get_property_reference(fwnode, "remote-endpoint", 0,
+ ret = acpi_node_get_property_reference(__fwnode, "remote-endpoint", 0,
&args);
if (ret)
return ret;
@@ -1125,7 +1127,7 @@ int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
return 0;
}
-static bool acpi_fwnode_device_is_available(struct fwnode_handle *fwnode)
+static bool acpi_fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
if (!is_acpi_device_node(fwnode))
return false;
@@ -1133,16 +1135,17 @@ static bool acpi_fwnode_device_is_available(struct fwnode_handle *fwnode)
return acpi_device_is_present(to_acpi_device_node(fwnode));
}
-static bool acpi_fwnode_property_present(struct fwnode_handle *fwnode,
+static bool acpi_fwnode_property_present(const struct fwnode_handle *fwnode,
const char *propname)
{
return !acpi_node_prop_get(fwnode, propname, NULL);
}
-static int acpi_fwnode_property_read_int_array(struct fwnode_handle *fwnode,
- const char *propname,
- unsigned int elem_size,
- void *val, size_t nval)
+static int
+acpi_fwnode_property_read_int_array(const struct fwnode_handle *fwnode,
+ const char *propname,
+ unsigned int elem_size, void *val,
+ size_t nval)
{
enum dev_prop_type type;
@@ -1166,16 +1169,17 @@ static int acpi_fwnode_property_read_int_array(struct fwnode_handle *fwnode,
return acpi_node_prop_read(fwnode, propname, type, val, nval);
}
-static int acpi_fwnode_property_read_string_array(struct fwnode_handle *fwnode,
- const char *propname,
- const char **val, size_t nval)
+static int
+acpi_fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
+ const char *propname, const char **val,
+ size_t nval)
{
return acpi_node_prop_read(fwnode, propname, DEV_PROP_STRING,
val, nval);
}
static struct fwnode_handle *
-acpi_fwnode_get_named_child_node(struct fwnode_handle *fwnode,
+acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
const char *childname)
{
struct fwnode_handle *child;
@@ -1192,7 +1196,7 @@ acpi_fwnode_get_named_child_node(struct fwnode_handle *fwnode,
}
static struct fwnode_handle *
-acpi_fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode,
+acpi_fwnode_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_handle *prev)
{
struct fwnode_handle *endpoint;
@@ -1205,7 +1209,7 @@ acpi_fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode,
}
static struct fwnode_handle *
-acpi_fwnode_graph_get_remote_endpoint(struct fwnode_handle *fwnode)
+acpi_fwnode_graph_get_remote_endpoint(const struct fwnode_handle *fwnode)
{
struct fwnode_handle *endpoint = NULL;
@@ -1214,7 +1218,13 @@ acpi_fwnode_graph_get_remote_endpoint(struct fwnode_handle *fwnode)
return endpoint;
}
-static int acpi_fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode,
+static struct fwnode_handle *
+acpi_fwnode_get_parent(struct fwnode_handle *fwnode)
+{
+ return acpi_node_get_parent(fwnode);
+}
+
+static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_endpoint *endpoint)
{
struct fwnode_handle *port_fwnode = fwnode_get_parent(fwnode);
@@ -1242,7 +1252,7 @@ static int acpi_fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode,
acpi_fwnode_graph_get_next_endpoint, \
.graph_get_remote_endpoint = \
acpi_fwnode_graph_get_remote_endpoint, \
- .graph_get_port_parent = acpi_node_get_parent, \
+ .graph_get_port_parent = acpi_fwnode_get_parent, \
.graph_parse_endpoint = acpi_fwnode_graph_parse_endpoint, \
}; \
EXPORT_SYMBOL_GPL(ops)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 8fde824ad418..673e2353a2fb 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -193,18 +193,18 @@ struct fwnode_handle *dev_fwnode(struct device *dev)
}
EXPORT_SYMBOL_GPL(dev_fwnode);
-static bool pset_fwnode_property_present(struct fwnode_handle *fwnode,
+static bool pset_fwnode_property_present(const struct fwnode_handle *fwnode,
const char *propname)
{
return !!pset_prop_get(to_pset_node(fwnode), propname);
}
-static int pset_fwnode_read_int_array(struct fwnode_handle *fwnode,
+static int pset_fwnode_read_int_array(const struct fwnode_handle *fwnode,
const char *propname,
unsigned int elem_size, void *val,
size_t nval)
{
- struct property_set *node = to_pset_node(fwnode);
+ const struct property_set *node = to_pset_node(fwnode);
if (!val)
return pset_prop_count_elems_of_size(node, propname, elem_size);
@@ -223,9 +223,10 @@ static int pset_fwnode_read_int_array(struct fwnode_handle *fwnode,
return -ENXIO;
}
-static int pset_fwnode_property_read_string_array(struct fwnode_handle *fwnode,
- const char *propname,
- const char **val, size_t nval)
+static int
+pset_fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
+ const char *propname,
+ const char **val, size_t nval)
{
return pset_prop_read_string_array(to_pset_node(fwnode), propname,
val, nval);
@@ -255,7 +256,8 @@ EXPORT_SYMBOL_GPL(device_property_present);
* @fwnode: Firmware node whose property to check
* @propname: Name of the property
*/
-bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname)
+bool fwnode_property_present(const struct fwnode_handle *fwnode,
+ const char *propname)
{
bool ret;
@@ -437,7 +439,7 @@ int device_property_match_string(struct device *dev, const char *propname,
}
EXPORT_SYMBOL_GPL(device_property_match_string);
-static int fwnode_property_read_int_array(struct fwnode_handle *fwnode,
+static int fwnode_property_read_int_array(const struct fwnode_handle *fwnode,
const char *propname,
unsigned int elem_size, void *val,
size_t nval)
@@ -473,7 +475,7 @@ static int fwnode_property_read_int_array(struct fwnode_handle *fwnode,
* %-EOVERFLOW if the size of the property is not as expected,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_read_u8_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
const char *propname, u8 *val, size_t nval)
{
return fwnode_property_read_int_array(fwnode, propname, sizeof(u8),
@@ -499,7 +501,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_u8_array);
* %-EOVERFLOW if the size of the property is not as expected,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_read_u16_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode,
const char *propname, u16 *val, size_t nval)
{
return fwnode_property_read_int_array(fwnode, propname, sizeof(u16),
@@ -525,7 +527,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_u16_array);
* %-EOVERFLOW if the size of the property is not as expected,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_read_u32_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode,
const char *propname, u32 *val, size_t nval)
{
return fwnode_property_read_int_array(fwnode, propname, sizeof(u32),
@@ -551,7 +553,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_u32_array);
* %-EOVERFLOW if the size of the property is not as expected,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_read_u64_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode,
const char *propname, u64 *val, size_t nval)
{
return fwnode_property_read_int_array(fwnode, propname, sizeof(u64),
@@ -577,7 +579,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_u64_array);
* %-EOVERFLOW if the size of the property is not as expected,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_read_string_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
const char *propname, const char **val,
size_t nval)
{
@@ -609,7 +611,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_string_array);
* %-EPROTO or %-EILSEQ if the property is not a string,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_read_string(struct fwnode_handle *fwnode,
+int fwnode_property_read_string(const struct fwnode_handle *fwnode,
const char *propname, const char **val)
{
int ret = fwnode_property_read_string_array(fwnode, propname, val, 1);
@@ -633,7 +635,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_string);
* %-EPROTO if the property is not an array of strings,
* %-ENXIO if no suitable firmware interface is present.
*/
-int fwnode_property_match_string(struct fwnode_handle *fwnode,
+int fwnode_property_match_string(const struct fwnode_handle *fwnode,
const char *propname, const char *string)
{
const char **values;
@@ -940,7 +942,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
* Return parent firmware node of the given node if possible or %NULL if no
* parent was available.
*/
-struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode)
+struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode)
{
return fwnode_call_ptr_op(fwnode, get_parent);
}
@@ -951,8 +953,9 @@ EXPORT_SYMBOL_GPL(fwnode_get_parent);
* @fwnode: Firmware node to find the next child node for.
* @child: Handle to one of the node's child nodes or a %NULL handle.
*/
-struct fwnode_handle *fwnode_get_next_child_node(struct fwnode_handle *fwnode,
- struct fwnode_handle *child)
+struct fwnode_handle *
+fwnode_get_next_child_node(const struct fwnode_handle *fwnode,
+ struct fwnode_handle *child)
{
return fwnode_call_ptr_op(fwnode, get_next_child_node, child);
}
@@ -983,8 +986,9 @@ EXPORT_SYMBOL_GPL(device_get_next_child_node);
* @fwnode: Firmware node to find the named child node for.
* @childname: String to match child node name against.
*/
-struct fwnode_handle *fwnode_get_named_child_node(struct fwnode_handle *fwnode,
- const char *childname)
+struct fwnode_handle *
+fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
+ const char *childname)
{
return fwnode_call_ptr_op(fwnode, get_named_child_node, childname);
}
@@ -1030,7 +1034,7 @@ EXPORT_SYMBOL_GPL(fwnode_handle_put);
* fwnode_device_is_available - check if a device is available for use
* @fwnode: Pointer to the fwnode of the device.
*/
-bool fwnode_device_is_available(struct fwnode_handle *fwnode)
+bool fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
return fwnode_call_bool_op(fwnode, device_is_available);
}
@@ -1168,7 +1172,7 @@ EXPORT_SYMBOL(device_get_mac_address);
* are available.
*/
struct fwnode_handle *
-fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode,
+fwnode_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_handle *prev)
{
return fwnode_call_ptr_op(fwnode, graph_get_next_endpoint, prev);
@@ -1182,7 +1186,7 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_next_endpoint);
* Return: the firmware node of the device the @endpoint belongs to.
*/
struct fwnode_handle *
-fwnode_graph_get_port_parent(struct fwnode_handle *endpoint)
+fwnode_graph_get_port_parent(const struct fwnode_handle *endpoint)
{
struct fwnode_handle *port, *parent;
@@ -1202,7 +1206,7 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_port_parent);
* Extracts firmware node of a remote device the @fwnode points to.
*/
struct fwnode_handle *
-fwnode_graph_get_remote_port_parent(struct fwnode_handle *fwnode)
+fwnode_graph_get_remote_port_parent(const struct fwnode_handle *fwnode)
{
struct fwnode_handle *endpoint, *parent;
@@ -1221,7 +1225,8 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_remote_port_parent);
*
* Extracts firmware node of a remote port the @fwnode points to.
*/
-struct fwnode_handle *fwnode_graph_get_remote_port(struct fwnode_handle *fwnode)
+struct fwnode_handle *
+fwnode_graph_get_remote_port(const struct fwnode_handle *fwnode)
{
return fwnode_get_next_parent(fwnode_graph_get_remote_endpoint(fwnode));
}
@@ -1234,7 +1239,7 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_remote_port);
* Extracts firmware node of a remote endpoint the @fwnode points to.
*/
struct fwnode_handle *
-fwnode_graph_get_remote_endpoint(struct fwnode_handle *fwnode)
+fwnode_graph_get_remote_endpoint(const struct fwnode_handle *fwnode)
{
return fwnode_call_ptr_op(fwnode, graph_get_remote_endpoint);
}
@@ -1249,8 +1254,9 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_remote_endpoint);
* Return: Remote fwnode handle associated with remote endpoint node linked
* to @node. Use fwnode_node_put() on it when done.
*/
-struct fwnode_handle *fwnode_graph_get_remote_node(struct fwnode_handle *fwnode,
- u32 port_id, u32 endpoint_id)
+struct fwnode_handle *
+fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port_id,
+ u32 endpoint_id)
{
struct fwnode_handle *endpoint = NULL;
@@ -1286,7 +1292,7 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_remote_node);
* information in @endpoint. The caller must hold a reference to
* @fwnode.
*/
-int fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode,
+int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_endpoint *endpoint)
{
memset(endpoint, 0, sizeof(*endpoint));
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 2d5988820405..ae46a6f0ea36 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -815,23 +815,23 @@ static void of_fwnode_put(struct fwnode_handle *fwnode)
of_node_put(to_of_node(fwnode));
}
-static bool of_fwnode_device_is_available(struct fwnode_handle *fwnode)
+static bool of_fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
return of_device_is_available(to_of_node(fwnode));
}
-static bool of_fwnode_property_present(struct fwnode_handle *fwnode,
+static bool of_fwnode_property_present(const struct fwnode_handle *fwnode,
const char *propname)
{
return of_property_read_bool(to_of_node(fwnode), propname);
}
-static int of_fwnode_property_read_int_array(struct fwnode_handle *fwnode,
+static int of_fwnode_property_read_int_array(const struct fwnode_handle *fwnode,
const char *propname,
unsigned int elem_size, void *val,
size_t nval)
{
- struct device_node *node = to_of_node(fwnode);
+ const struct device_node *node = to_of_node(fwnode);
if (!val)
return of_property_count_elems_of_size(node, propname,
@@ -851,24 +851,26 @@ static int of_fwnode_property_read_int_array(struct fwnode_handle *fwnode,
return -ENXIO;
}
-static int of_fwnode_property_read_string_array(struct fwnode_handle *fwnode,
- const char *propname,
- const char **val, size_t nval)
+static int
+of_fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
+ const char *propname, const char **val,
+ size_t nval)
{
- struct device_node *node = to_of_node(fwnode);
+ const struct device_node *node = to_of_node(fwnode);
return val ?
of_property_read_string_array(node, propname, val, nval) :
of_property_count_strings(node, propname);
}
-static struct fwnode_handle *of_fwnode_get_parent(struct fwnode_handle *fwnode)
+static struct fwnode_handle *
+of_fwnode_get_parent(const struct fwnode_handle *fwnode)
{
return of_fwnode_handle(of_get_parent(to_of_node(fwnode)));
}
static struct fwnode_handle *
-of_fwnode_get_next_child_node(struct fwnode_handle *fwnode,
+of_fwnode_get_next_child_node(const struct fwnode_handle *fwnode,
struct fwnode_handle *child)
{
return of_fwnode_handle(of_get_next_available_child(to_of_node(fwnode),
@@ -876,10 +878,10 @@ of_fwnode_get_next_child_node(struct fwnode_handle *fwnode,
}
static struct fwnode_handle *
-of_fwnode_get_named_child_node(struct fwnode_handle *fwnode,
+of_fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
const char *childname)
{
- struct device_node *node = to_of_node(fwnode);
+ const struct device_node *node = to_of_node(fwnode);
struct device_node *child;
for_each_available_child_of_node(node, child)
@@ -890,7 +892,7 @@ of_fwnode_get_named_child_node(struct fwnode_handle *fwnode,
}
static struct fwnode_handle *
-of_fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode,
+of_fwnode_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_handle *prev)
{
return of_fwnode_handle(of_graph_get_next_endpoint(to_of_node(fwnode),
@@ -898,7 +900,7 @@ of_fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode,
}
static struct fwnode_handle *
-of_fwnode_graph_get_remote_endpoint(struct fwnode_handle *fwnode)
+of_fwnode_graph_get_remote_endpoint(const struct fwnode_handle *fwnode)
{
return of_fwnode_handle(of_parse_phandle(to_of_node(fwnode),
"remote-endpoint", 0));
@@ -921,10 +923,10 @@ of_fwnode_graph_get_port_parent(struct fwnode_handle *fwnode)
return of_fwnode_handle(of_get_next_parent(np));
}
-static int of_fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode,
+static int of_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_endpoint *endpoint)
{
- struct device_node *node = to_of_node(fwnode);
+ const struct device_node *node = to_of_node(fwnode);
struct device_node *port_node = of_get_parent(node);
endpoint->local_fwnode = fwnode;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 4d9fb610f114..8b9edf87b98d 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1029,13 +1029,14 @@ int acpi_node_prop_read(const struct fwnode_handle *fwnode,
int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
enum dev_prop_type proptype, void *val, size_t nval);
-struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode,
+struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
struct fwnode_handle *child);
-struct fwnode_handle *acpi_node_get_parent(struct fwnode_handle *fwnode);
+struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
-struct fwnode_handle *acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
- struct fwnode_handle *prev);
-int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
+struct fwnode_handle *
+acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
+ struct fwnode_handle *prev);
+int acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_handle **remote,
struct fwnode_handle **port,
struct fwnode_handle **endpoint);
@@ -1157,26 +1158,27 @@ static inline int acpi_dev_prop_read(const struct acpi_device *adev,
}
static inline struct fwnode_handle *
-acpi_get_next_subnode(struct fwnode_handle *fwnode, struct fwnode_handle *child)
+acpi_get_next_subnode(const struct fwnode_handle *fwnode,
+ struct fwnode_handle *child)
{
return NULL;
}
static inline struct fwnode_handle *
-acpi_node_get_parent(struct fwnode_handle *fwnode)
+acpi_node_get_parent(const struct fwnode_handle *fwnode)
{
return NULL;
}
static inline struct fwnode_handle *
-acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode,
+acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_handle *prev)
{
return ERR_PTR(-ENXIO);
}
static inline int
-acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode,
+acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_handle **remote,
struct fwnode_handle **port,
struct fwnode_handle **endpoint)
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index c5dbc48b55dd..7b50ee4edcfc 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -55,30 +55,32 @@ struct fwnode_endpoint {
struct fwnode_operations {
void (*get)(struct fwnode_handle *fwnode);
void (*put)(struct fwnode_handle *fwnode);
- bool (*device_is_available)(struct fwnode_handle *fwnode);
- bool (*property_present)(struct fwnode_handle *fwnode,
+ bool (*device_is_available)(const struct fwnode_handle *fwnode);
+ bool (*property_present)(const struct fwnode_handle *fwnode,
const char *propname);
- int (*property_read_int_array)(struct fwnode_handle *fwnode,
+ int (*property_read_int_array)(const struct fwnode_handle *fwnode,
const char *propname,
unsigned int elem_size, void *val,
size_t nval);
- int (*property_read_string_array)(struct fwnode_handle *fwnode_handle,
- const char *propname,
- const char **val, size_t nval);
- struct fwnode_handle *(*get_parent)(struct fwnode_handle *fwnode);
+ int
+ (*property_read_string_array)(const struct fwnode_handle *fwnode_handle,
+ const char *propname, const char **val,
+ size_t nval);
+ struct fwnode_handle *(*get_parent)(const struct fwnode_handle *fwnode);
struct fwnode_handle *
- (*get_next_child_node)(struct fwnode_handle *fwnode,
+ (*get_next_child_node)(const struct fwnode_handle *fwnode,
struct fwnode_handle *child);
struct fwnode_handle *
- (*get_named_child_node)(struct fwnode_handle *fwnode, const char *name);
+ (*get_named_child_node)(const struct fwnode_handle *fwnode,
+ const char *name);
struct fwnode_handle *
- (*graph_get_next_endpoint)(struct fwnode_handle *fwnode,
+ (*graph_get_next_endpoint)(const struct fwnode_handle *fwnode,
struct fwnode_handle *prev);
struct fwnode_handle *
- (*graph_get_remote_endpoint)(struct fwnode_handle *fwnode);
+ (*graph_get_remote_endpoint)(const struct fwnode_handle *fwnode);
struct fwnode_handle *
(*graph_get_port_parent)(struct fwnode_handle *fwnode);
- int (*graph_parse_endpoint)(struct fwnode_handle *fwnode,
+ int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode,
struct fwnode_endpoint *endpoint);
};
diff --git a/include/linux/property.h b/include/linux/property.h
index 7e77039e6b81..edff3f89e755 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -51,46 +51,48 @@ int device_property_read_string(struct device *dev, const char *propname,
int device_property_match_string(struct device *dev,
const char *propname, const char *string);
-bool fwnode_device_is_available(struct fwnode_handle *fwnode);
-bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname);
-int fwnode_property_read_u8_array(struct fwnode_handle *fwnode,
+bool fwnode_device_is_available(const struct fwnode_handle *fwnode);
+bool fwnode_property_present(const struct fwnode_handle *fwnode,
+ const char *propname);
+int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
const char *propname, u8 *val,
size_t nval);
-int fwnode_property_read_u16_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode,
const char *propname, u16 *val,
size_t nval);
-int fwnode_property_read_u32_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode,
const char *propname, u32 *val,
size_t nval);
-int fwnode_property_read_u64_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode,
const char *propname, u64 *val,
size_t nval);
-int fwnode_property_read_string_array(struct fwnode_handle *fwnode,
+int fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
const char *propname, const char **val,
size_t nval);
-int fwnode_property_read_string(struct fwnode_handle *fwnode,
+int fwnode_property_read_string(const struct fwnode_handle *fwnode,
const char *propname, const char **val);
-int fwnode_property_match_string(struct fwnode_handle *fwnode,
+int fwnode_property_match_string(const struct fwnode_handle *fwnode,
const char *propname, const char *string);
-struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode);
-struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
-struct fwnode_handle *fwnode_get_next_child_node(struct fwnode_handle *fwnode,
- struct fwnode_handle *child);
+struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_get_next_parent(
+ struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_get_next_child_node(
+ const struct fwnode_handle *fwnode, struct fwnode_handle *child);
#define fwnode_for_each_child_node(fwnode, child) \
for (child = fwnode_get_next_child_node(fwnode, NULL); child; \
child = fwnode_get_next_child_node(fwnode, child))
-struct fwnode_handle *device_get_next_child_node(struct device *dev,
- struct fwnode_handle *child);
+struct fwnode_handle *device_get_next_child_node(
+ struct device *dev, struct fwnode_handle *child);
#define device_for_each_child_node(dev, child) \
for (child = device_get_next_child_node(dev, NULL); child; \
child = device_get_next_child_node(dev, child))
-struct fwnode_handle *fwnode_get_named_child_node(struct fwnode_handle *fwnode,
- const char *childname);
+struct fwnode_handle *fwnode_get_named_child_node(
+ const struct fwnode_handle *fwnode, const char *childname);
struct fwnode_handle *device_get_named_child_node(struct device *dev,
const char *childname);
@@ -129,31 +131,31 @@ static inline int device_property_read_u64(struct device *dev,
return device_property_read_u64_array(dev, propname, val, 1);
}
-static inline bool fwnode_property_read_bool(struct fwnode_handle *fwnode,
+static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
const char *propname)
{
return fwnode_property_present(fwnode, propname);
}
-static inline int fwnode_property_read_u8(struct fwnode_handle *fwnode,
+static inline int fwnode_property_read_u8(const struct fwnode_handle *fwnode,
const char *propname, u8 *val)
{
return fwnode_property_read_u8_array(fwnode, propname, val, 1);
}
-static inline int fwnode_property_read_u16(struct fwnode_handle *fwnode,
+static inline int fwnode_property_read_u16(const struct fwnode_handle *fwnode,
const char *propname, u16 *val)
{
return fwnode_property_read_u16_array(fwnode, propname, val, 1);
}
-static inline int fwnode_property_read_u32(struct fwnode_handle *fwnode,
+static inline int fwnode_property_read_u32(const struct fwnode_handle *fwnode,
const char *propname, u32 *val)
{
return fwnode_property_read_u32_array(fwnode, propname, val, 1);
}
-static inline int fwnode_property_read_u64(struct fwnode_handle *fwnode,
+static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode,
const char *propname, u64 *val)
{
return fwnode_property_read_u64_array(fwnode, propname, val, 1);
@@ -274,19 +276,20 @@ int device_get_phy_mode(struct device *dev);
void *device_get_mac_address(struct device *dev, char *addr, int alen);
struct fwnode_handle *fwnode_graph_get_next_endpoint(
- struct fwnode_handle *fwnode, struct fwnode_handle *prev);
+ const struct fwnode_handle *fwnode, struct fwnode_handle *prev);
struct fwnode_handle *
-fwnode_graph_get_port_parent(struct fwnode_handle *fwnode);
+fwnode_graph_get_port_parent(const struct fwnode_handle *fwnode);
struct fwnode_handle *fwnode_graph_get_remote_port_parent(
- struct fwnode_handle *fwnode);
+ const struct fwnode_handle *fwnode);
struct fwnode_handle *fwnode_graph_get_remote_port(
- struct fwnode_handle *fwnode);
+ const struct fwnode_handle *fwnode);
struct fwnode_handle *fwnode_graph_get_remote_endpoint(
- struct fwnode_handle *fwnode);
-struct fwnode_handle *fwnode_graph_get_remote_node(struct fwnode_handle *fwnode,
- u32 port, u32 endpoint);
+ const struct fwnode_handle *fwnode);
+struct fwnode_handle *
+fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port,
+ u32 endpoint);
-int fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode,
+int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
struct fwnode_endpoint *endpoint);
#endif /* _LINUX_PROPERTY_H_ */
--
2.19.1