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Merge tag 'dp-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

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Pull device properties framework update from Rafael Wysocki:
 "Modify the device properties framework to remove union aliasing from
  it (Andy Shevchenko)"

* tag 'dp-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  device property: Get rid of union aliasing
This commit is contained in:
Linus Torvalds
2018-06-05 10:13:13 -07:00
parent f4fe74cc90 63dcc70901
commit a74e0c4c9c
3 changed files with 117 additions and 47 deletions
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52
include/linux/property.h
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@@ -178,7 +178,7 @@ static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode,
* @name: Name of the property.
* @length: Length of data making up the value.
* @is_array: True when the property is an array.
* @is_string: True when property is a string.
* @type: Type of the data in unions.
* @pointer: Pointer to the property (an array of items of the given type).
* @value: Value of the property (when it is a single item of the given type).
*/
@@ -186,10 +186,9 @@ struct property_entry {
const char *name;
size_t length;
bool is_array;
bool is_string;
enum dev_prop_type type;
union {
union {
const void *raw_data;
const u8 *u8_data;
const u16 *u16_data;
const u32 *u32_data;
@@ -197,7 +196,6 @@ struct property_entry {
const char * const *str;
} pointer;
union {
unsigned long long raw_data;
u8 u8_data;
u16 u16_data;
u32 u32_data;
@@ -213,55 +211,55 @@ struct property_entry {
* and structs.
*/
#define PROPERTY_ENTRY_INTEGER_ARRAY(_name_, _type_, _val_) \
(struct property_entry) { \
.name = _name_, \
.length = ARRAY_SIZE(_val_) * sizeof(_type_), \
.is_array = true, \
.is_string = false, \
{ .pointer = { ._type_##_data = _val_ } }, \
#define PROPERTY_ENTRY_INTEGER_ARRAY(_name_, _type_, _Type_, _val_) \
(struct property_entry) { \
.name = _name_, \
.length = ARRAY_SIZE(_val_) * sizeof(_type_), \
.is_array = true, \
.type = DEV_PROP_##_Type_, \
{ .pointer = { ._type_##_data = _val_ } }, \
}
#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u8, _val_)
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u8, U8, _val_)
#define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u16, _val_)
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u16, U16, _val_)
#define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u32, _val_)
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u32, U32, _val_)
#define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u64, _val_)
PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u64, U64, _val_)
#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
(struct property_entry) { \
.name = _name_, \
.length = ARRAY_SIZE(_val_) * sizeof(const char *), \
.is_array = true, \
.is_string = true, \
.type = DEV_PROP_STRING, \
{ .pointer = { .str = _val_ } }, \
}
#define PROPERTY_ENTRY_INTEGER(_name_, _type_, _val_) \
(struct property_entry) { \
.name = _name_, \
.length = sizeof(_type_), \
.is_string = false, \
{ .value = { ._type_##_data = _val_ } }, \
#define PROPERTY_ENTRY_INTEGER(_name_, _type_, _Type_, _val_) \
(struct property_entry) { \
.name = _name_, \
.length = sizeof(_type_), \
.type = DEV_PROP_##_Type_, \
{ .value = { ._type_##_data = _val_ } }, \
}
#define PROPERTY_ENTRY_U8(_name_, _val_) \
PROPERTY_ENTRY_INTEGER(_name_, u8, _val_)
PROPERTY_ENTRY_INTEGER(_name_, u8, U8, _val_)
#define PROPERTY_ENTRY_U16(_name_, _val_) \
PROPERTY_ENTRY_INTEGER(_name_, u16, _val_)
PROPERTY_ENTRY_INTEGER(_name_, u16, U16, _val_)
#define PROPERTY_ENTRY_U32(_name_, _val_) \
PROPERTY_ENTRY_INTEGER(_name_, u32, _val_)
PROPERTY_ENTRY_INTEGER(_name_, u32, U32, _val_)
#define PROPERTY_ENTRY_U64(_name_, _val_) \
PROPERTY_ENTRY_INTEGER(_name_, u64, _val_)
PROPERTY_ENTRY_INTEGER(_name_, u64, U64, _val_)
#define PROPERTY_ENTRY_STRING(_name_, _val_) \
(struct property_entry) { \
.name = _name_, \
.length = sizeof(_val_), \
.is_string = true, \
.type = DEV_PROP_STRING, \
{ .value = { .str = _val_ } }, \
}