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device property: Move device_add_properties() to swnode.c
Concentrating struct property_entry processing to drivers/base/swnode.c Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Heikki Krogerus
Rafael J. Wysocki
parent
59abd83672
commit
ed1cdf31f9
@ -84,44 +84,6 @@ static const void *property_get_pointer(const struct property_entry *prop)
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}
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}
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static void property_set_pointer(struct property_entry *prop, const void *pointer)
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{
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switch (prop->type) {
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case DEV_PROP_U8:
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if (prop->is_array)
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prop->pointer.u8_data = pointer;
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else
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prop->value.u8_data = *((u8 *)pointer);
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break;
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case DEV_PROP_U16:
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if (prop->is_array)
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prop->pointer.u16_data = pointer;
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else
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prop->value.u16_data = *((u16 *)pointer);
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break;
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case DEV_PROP_U32:
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if (prop->is_array)
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prop->pointer.u32_data = pointer;
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else
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prop->value.u32_data = *((u32 *)pointer);
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break;
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case DEV_PROP_U64:
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if (prop->is_array)
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prop->pointer.u64_data = pointer;
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else
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prop->value.u64_data = *((u64 *)pointer);
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break;
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case DEV_PROP_STRING:
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if (prop->is_array)
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prop->pointer.str = pointer;
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else
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prop->value.str = pointer;
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break;
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default:
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break;
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}
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}
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static const void *pset_prop_find(const struct property_set *pset,
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const char *propname, size_t length)
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{
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@ -759,147 +721,6 @@ int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,
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}
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EXPORT_SYMBOL_GPL(fwnode_property_get_reference_args);
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static void property_entry_free_data(const struct property_entry *p)
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{
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const void *pointer = property_get_pointer(p);
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size_t i, nval;
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if (p->is_array) {
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if (p->type == DEV_PROP_STRING && p->pointer.str) {
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nval = p->length / sizeof(const char *);
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for (i = 0; i < nval; i++)
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kfree(p->pointer.str[i]);
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}
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kfree(pointer);
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} else if (p->type == DEV_PROP_STRING) {
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kfree(p->value.str);
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}
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kfree(p->name);
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}
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static int property_copy_string_array(struct property_entry *dst,
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const struct property_entry *src)
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{
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const char **d;
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size_t nval = src->length / sizeof(*d);
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int i;
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d = kcalloc(nval, sizeof(*d), GFP_KERNEL);
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if (!d)
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return -ENOMEM;
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for (i = 0; i < nval; i++) {
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d[i] = kstrdup(src->pointer.str[i], GFP_KERNEL);
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if (!d[i] && src->pointer.str[i]) {
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while (--i >= 0)
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kfree(d[i]);
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kfree(d);
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return -ENOMEM;
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}
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}
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dst->pointer.str = d;
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return 0;
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}
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static int property_entry_copy_data(struct property_entry *dst,
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const struct property_entry *src)
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{
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const void *pointer = property_get_pointer(src);
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const void *new;
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int error;
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if (src->is_array) {
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if (!src->length)
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return -ENODATA;
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if (src->type == DEV_PROP_STRING) {
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error = property_copy_string_array(dst, src);
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if (error)
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return error;
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new = dst->pointer.str;
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} else {
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new = kmemdup(pointer, src->length, GFP_KERNEL);
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if (!new)
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return -ENOMEM;
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}
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} else if (src->type == DEV_PROP_STRING) {
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new = kstrdup(src->value.str, GFP_KERNEL);
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if (!new && src->value.str)
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return -ENOMEM;
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} else {
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new = pointer;
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}
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dst->length = src->length;
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dst->is_array = src->is_array;
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dst->type = src->type;
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property_set_pointer(dst, new);
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dst->name = kstrdup(src->name, GFP_KERNEL);
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if (!dst->name)
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goto out_free_data;
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return 0;
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out_free_data:
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property_entry_free_data(dst);
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return -ENOMEM;
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}
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/**
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* property_entries_dup - duplicate array of properties
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* @properties: array of properties to copy
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*
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* This function creates a deep copy of the given NULL-terminated array
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* of property entries.
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*/
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struct property_entry *
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property_entries_dup(const struct property_entry *properties)
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{
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struct property_entry *p;
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int i, n = 0;
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while (properties[n].name)
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n++;
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p = kcalloc(n + 1, sizeof(*p), GFP_KERNEL);
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if (!p)
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return ERR_PTR(-ENOMEM);
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for (i = 0; i < n; i++) {
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int ret = property_entry_copy_data(&p[i], &properties[i]);
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if (ret) {
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while (--i >= 0)
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property_entry_free_data(&p[i]);
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kfree(p);
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return ERR_PTR(ret);
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}
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}
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return p;
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}
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EXPORT_SYMBOL_GPL(property_entries_dup);
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/**
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* property_entries_free - free previously allocated array of properties
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* @properties: array of properties to destroy
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*
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* This function frees given NULL-terminated array of property entries,
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* along with their data.
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*/
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void property_entries_free(const struct property_entry *properties)
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{
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const struct property_entry *p;
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for (p = properties; p->name; p++)
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property_entry_free_data(p);
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kfree(properties);
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}
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EXPORT_SYMBOL_GPL(property_entries_free);
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/**
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* pset_free_set - releases memory allocated for copied property set
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* @pset: Property set to release
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@ -64,6 +64,45 @@ property_entry_get(const struct property_entry *prop, const char *name)
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return NULL;
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}
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static void
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property_set_pointer(struct property_entry *prop, const void *pointer)
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{
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switch (prop->type) {
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case DEV_PROP_U8:
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if (prop->is_array)
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prop->pointer.u8_data = pointer;
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else
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prop->value.u8_data = *((u8 *)pointer);
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break;
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case DEV_PROP_U16:
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if (prop->is_array)
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prop->pointer.u16_data = pointer;
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else
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prop->value.u16_data = *((u16 *)pointer);
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break;
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case DEV_PROP_U32:
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if (prop->is_array)
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prop->pointer.u32_data = pointer;
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else
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prop->value.u32_data = *((u32 *)pointer);
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break;
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case DEV_PROP_U64:
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if (prop->is_array)
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prop->pointer.u64_data = pointer;
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else
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prop->value.u64_data = *((u64 *)pointer);
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break;
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case DEV_PROP_STRING:
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if (prop->is_array)
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prop->pointer.str = pointer;
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else
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prop->value.str = pointer;
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break;
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default:
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break;
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}
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}
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static const void *property_get_pointer(const struct property_entry *prop)
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{
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switch (prop->type) {
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@ -241,6 +280,151 @@ static int property_entry_read_string_array(const struct property_entry *props,
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return array_len;
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}
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static void property_entry_free_data(const struct property_entry *p)
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{
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const void *pointer = property_get_pointer(p);
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size_t i, nval;
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if (p->is_array) {
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if (p->type == DEV_PROP_STRING && p->pointer.str) {
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nval = p->length / sizeof(const char *);
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for (i = 0; i < nval; i++)
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kfree(p->pointer.str[i]);
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}
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kfree(pointer);
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} else if (p->type == DEV_PROP_STRING) {
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kfree(p->value.str);
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}
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kfree(p->name);
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}
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static int property_copy_string_array(struct property_entry *dst,
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const struct property_entry *src)
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{
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const char **d;
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size_t nval = src->length / sizeof(*d);
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int i;
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d = kcalloc(nval, sizeof(*d), GFP_KERNEL);
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if (!d)
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return -ENOMEM;
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for (i = 0; i < nval; i++) {
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d[i] = kstrdup(src->pointer.str[i], GFP_KERNEL);
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if (!d[i] && src->pointer.str[i]) {
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while (--i >= 0)
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kfree(d[i]);
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kfree(d);
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return -ENOMEM;
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}
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}
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dst->pointer.str = d;
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return 0;
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}
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static int property_entry_copy_data(struct property_entry *dst,
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const struct property_entry *src)
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{
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const void *pointer = property_get_pointer(src);
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const void *new;
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int error;
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if (src->is_array) {
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if (!src->length)
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return -ENODATA;
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if (src->type == DEV_PROP_STRING) {
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error = property_copy_string_array(dst, src);
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if (error)
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return error;
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new = dst->pointer.str;
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} else {
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new = kmemdup(pointer, src->length, GFP_KERNEL);
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if (!new)
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return -ENOMEM;
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}
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} else if (src->type == DEV_PROP_STRING) {
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new = kstrdup(src->value.str, GFP_KERNEL);
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if (!new && src->value.str)
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return -ENOMEM;
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} else {
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new = pointer;
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}
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dst->length = src->length;
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dst->is_array = src->is_array;
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dst->type = src->type;
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property_set_pointer(dst, new);
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dst->name = kstrdup(src->name, GFP_KERNEL);
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if (!dst->name)
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goto out_free_data;
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return 0;
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out_free_data:
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property_entry_free_data(dst);
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return -ENOMEM;
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}
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/**
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* property_entries_dup - duplicate array of properties
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* @properties: array of properties to copy
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*
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* This function creates a deep copy of the given NULL-terminated array
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* of property entries.
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*/
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struct property_entry *
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property_entries_dup(const struct property_entry *properties)
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{
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struct property_entry *p;
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int i, n = 0;
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int ret;
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while (properties[n].name)
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n++;
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p = kcalloc(n + 1, sizeof(*p), GFP_KERNEL);
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if (!p)
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return ERR_PTR(-ENOMEM);
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for (i = 0; i < n; i++) {
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ret = property_entry_copy_data(&p[i], &properties[i]);
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if (ret) {
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while (--i >= 0)
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property_entry_free_data(&p[i]);
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kfree(p);
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return ERR_PTR(ret);
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}
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}
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return p;
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}
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EXPORT_SYMBOL_GPL(property_entries_dup);
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/**
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* property_entries_free - free previously allocated array of properties
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* @properties: array of properties to destroy
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*
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* This function frees given NULL-terminated array of property entries,
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* along with their data.
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*/
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void property_entries_free(const struct property_entry *properties)
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{
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const struct property_entry *p;
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if (!properties)
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return;
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for (p = properties; p->name; p++)
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property_entry_free_data(p);
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kfree(properties);
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}
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EXPORT_SYMBOL_GPL(property_entries_free);
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/* -------------------------------------------------------------------------- */
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/* fwnode operations */
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