We do not need a special flag to know if we are dealing with an array, as we can get that data from ratio between element length and the data size, however we do need a flag to know whether the data is stored directly inside property_entry or separately. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> --- drivers/base/swnode.c | 12 +++++------- include/linux/property.h | 13 ++++++++----- 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index d8d0dc0ca5ac..18a30fb3cc58 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -108,10 +108,7 @@ static const void *property_get_pointer(const struct property_entry *prop) if (!prop->length) return NULL; - if (prop->is_array) - return prop->pointer; - - return &prop->value; + return prop->is_inline ? &prop->value : prop->pointer; } static const void *property_entry_find(const struct property_entry *props, @@ -205,7 +202,7 @@ static void property_entry_free_data(const struct property_entry *p) const char * const *src_str; size_t i, nval; - if (p->is_array) { + if (!p->is_inline) { if (p->type == DEV_PROP_STRING && p->pointer) { src_str = p->pointer; nval = p->length / sizeof(const char *); @@ -250,7 +247,7 @@ static int property_entry_copy_data(struct property_entry *dst, const void *pointer = property_get_pointer(src); const void *new; - if (src->is_array) { + if (!src->is_inline) { if (!src->length) return -ENODATA; @@ -264,15 +261,16 @@ static int property_entry_copy_data(struct property_entry *dst, return -ENOMEM; } - dst->is_array = true; dst->pointer = new; } else if (src->type == DEV_PROP_STRING) { new = kstrdup(src->value.str, GFP_KERNEL); if (!new && src->value.str) return -ENOMEM; + dst->is_inline = true; dst->value.str = new; } else { + dst->is_inline = true; dst->value = src->value; } diff --git a/include/linux/property.h b/include/linux/property.h index 48335288c2a9..dad0ad11b55e 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -227,15 +227,17 @@ static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode, * struct property_entry - "Built-in" device property representation. * @name: Name of the property. * @length: Length of data making up the value. - * @is_array: True when the property is an array. + * @is_inline: True when the property value is embedded in + * &struct property_entry instance. * @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). + * @pointer: Pointer to the property when it is stored separately from + * the &struct property_entry instance. + * @value: Value of the property when it is stored inline. */ struct property_entry { const char *name; size_t length; - bool is_array; + bool is_inline; enum dev_prop_type type; union { const void *pointer; @@ -262,7 +264,6 @@ struct property_entry { (struct property_entry) { \ .name = _name_, \ .length = (_len_) * __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_), \ - .is_array = true, \ .type = DEV_PROP_##_Type_, \ { .pointer = _val_ }, \ } @@ -293,6 +294,7 @@ struct property_entry { (struct property_entry) { \ .name = _name_, \ .length = __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_), \ + .is_inline = true, \ .type = DEV_PROP_##_Type_, \ { .value = { ._elem_ = _val_ } }, \ } @@ -311,6 +313,7 @@ struct property_entry { #define PROPERTY_ENTRY_BOOL(_name_) \ (struct property_entry) { \ .name = _name_, \ + .is_inline = true, \ } struct property_entry * -- 2.23.0.866.gb869b98d4c-goog