From ed1cdf31f92219458af484d4c306afbf2c611b04 Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Fri, 9 Nov 2018 17:21:37 +0300 Subject: [PATCH] device property: Move device_add_properties() to swnode.c Concentrating struct property_entry processing to drivers/base/swnode.c Signed-off-by: Heikki Krogerus Acked-by: Linus Walleij Reviewed-by: Andy Shevchenko Signed-off-by: Rafael J. Wysocki --- drivers/base/property.c | 179 -------------------------------------- drivers/base/swnode.c | 184 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 184 insertions(+), 179 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index 240ab5230ff6..e20642759c67 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -84,44 +84,6 @@ static const void *property_get_pointer(const struct property_entry *prop) } } -static void property_set_pointer(struct property_entry *prop, const void *pointer) -{ - switch (prop->type) { - case DEV_PROP_U8: - if (prop->is_array) - prop->pointer.u8_data = pointer; - else - prop->value.u8_data = *((u8 *)pointer); - break; - case DEV_PROP_U16: - if (prop->is_array) - prop->pointer.u16_data = pointer; - else - prop->value.u16_data = *((u16 *)pointer); - break; - case DEV_PROP_U32: - if (prop->is_array) - prop->pointer.u32_data = pointer; - else - prop->value.u32_data = *((u32 *)pointer); - break; - case DEV_PROP_U64: - if (prop->is_array) - prop->pointer.u64_data = pointer; - else - prop->value.u64_data = *((u64 *)pointer); - break; - case DEV_PROP_STRING: - if (prop->is_array) - prop->pointer.str = pointer; - else - prop->value.str = pointer; - break; - default: - break; - } -} - static const void *pset_prop_find(const struct property_set *pset, const char *propname, size_t length) { @@ -759,147 +721,6 @@ int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, } EXPORT_SYMBOL_GPL(fwnode_property_get_reference_args); -static void property_entry_free_data(const struct property_entry *p) -{ - const void *pointer = property_get_pointer(p); - size_t i, nval; - - if (p->is_array) { - if (p->type == DEV_PROP_STRING && p->pointer.str) { - nval = p->length / sizeof(const char *); - for (i = 0; i < nval; i++) - kfree(p->pointer.str[i]); - } - kfree(pointer); - } else if (p->type == DEV_PROP_STRING) { - kfree(p->value.str); - } - kfree(p->name); -} - -static int property_copy_string_array(struct property_entry *dst, - const struct property_entry *src) -{ - const char **d; - size_t nval = src->length / sizeof(*d); - int i; - - d = kcalloc(nval, sizeof(*d), GFP_KERNEL); - if (!d) - return -ENOMEM; - - for (i = 0; i < nval; i++) { - d[i] = kstrdup(src->pointer.str[i], GFP_KERNEL); - if (!d[i] && src->pointer.str[i]) { - while (--i >= 0) - kfree(d[i]); - kfree(d); - return -ENOMEM; - } - } - - dst->pointer.str = d; - return 0; -} - -static int property_entry_copy_data(struct property_entry *dst, - const struct property_entry *src) -{ - const void *pointer = property_get_pointer(src); - const void *new; - int error; - - if (src->is_array) { - if (!src->length) - return -ENODATA; - - if (src->type == DEV_PROP_STRING) { - error = property_copy_string_array(dst, src); - if (error) - return error; - new = dst->pointer.str; - } else { - new = kmemdup(pointer, src->length, GFP_KERNEL); - if (!new) - return -ENOMEM; - } - } else if (src->type == DEV_PROP_STRING) { - new = kstrdup(src->value.str, GFP_KERNEL); - if (!new && src->value.str) - return -ENOMEM; - } else { - new = pointer; - } - - dst->length = src->length; - dst->is_array = src->is_array; - dst->type = src->type; - - property_set_pointer(dst, new); - - dst->name = kstrdup(src->name, GFP_KERNEL); - if (!dst->name) - goto out_free_data; - - return 0; - -out_free_data: - property_entry_free_data(dst); - return -ENOMEM; -} - -/** - * property_entries_dup - duplicate array of properties - * @properties: array of properties to copy - * - * This function creates a deep copy of the given NULL-terminated array - * of property entries. - */ -struct property_entry * -property_entries_dup(const struct property_entry *properties) -{ - struct property_entry *p; - int i, n = 0; - - while (properties[n].name) - n++; - - p = kcalloc(n + 1, sizeof(*p), GFP_KERNEL); - if (!p) - return ERR_PTR(-ENOMEM); - - for (i = 0; i < n; i++) { - int ret = property_entry_copy_data(&p[i], &properties[i]); - if (ret) { - while (--i >= 0) - property_entry_free_data(&p[i]); - kfree(p); - return ERR_PTR(ret); - } - } - - return p; -} -EXPORT_SYMBOL_GPL(property_entries_dup); - -/** - * property_entries_free - free previously allocated array of properties - * @properties: array of properties to destroy - * - * This function frees given NULL-terminated array of property entries, - * along with their data. - */ -void property_entries_free(const struct property_entry *properties) -{ - const struct property_entry *p; - - for (p = properties; p->name; p++) - property_entry_free_data(p); - - kfree(properties); -} -EXPORT_SYMBOL_GPL(property_entries_free); - /** * pset_free_set - releases memory allocated for copied property set * @pset: Property set to release diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 95423b72a3f4..9c63ec8d8ab4 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -64,6 +64,45 @@ property_entry_get(const struct property_entry *prop, const char *name) return NULL; } +static void +property_set_pointer(struct property_entry *prop, const void *pointer) +{ + switch (prop->type) { + case DEV_PROP_U8: + if (prop->is_array) + prop->pointer.u8_data = pointer; + else + prop->value.u8_data = *((u8 *)pointer); + break; + case DEV_PROP_U16: + if (prop->is_array) + prop->pointer.u16_data = pointer; + else + prop->value.u16_data = *((u16 *)pointer); + break; + case DEV_PROP_U32: + if (prop->is_array) + prop->pointer.u32_data = pointer; + else + prop->value.u32_data = *((u32 *)pointer); + break; + case DEV_PROP_U64: + if (prop->is_array) + prop->pointer.u64_data = pointer; + else + prop->value.u64_data = *((u64 *)pointer); + break; + case DEV_PROP_STRING: + if (prop->is_array) + prop->pointer.str = pointer; + else + prop->value.str = pointer; + break; + default: + break; + } +} + static const void *property_get_pointer(const struct property_entry *prop) { switch (prop->type) { @@ -241,6 +280,151 @@ static int property_entry_read_string_array(const struct property_entry *props, return array_len; } +static void property_entry_free_data(const struct property_entry *p) +{ + const void *pointer = property_get_pointer(p); + size_t i, nval; + + if (p->is_array) { + if (p->type == DEV_PROP_STRING && p->pointer.str) { + nval = p->length / sizeof(const char *); + for (i = 0; i < nval; i++) + kfree(p->pointer.str[i]); + } + kfree(pointer); + } else if (p->type == DEV_PROP_STRING) { + kfree(p->value.str); + } + kfree(p->name); +} + +static int property_copy_string_array(struct property_entry *dst, + const struct property_entry *src) +{ + const char **d; + size_t nval = src->length / sizeof(*d); + int i; + + d = kcalloc(nval, sizeof(*d), GFP_KERNEL); + if (!d) + return -ENOMEM; + + for (i = 0; i < nval; i++) { + d[i] = kstrdup(src->pointer.str[i], GFP_KERNEL); + if (!d[i] && src->pointer.str[i]) { + while (--i >= 0) + kfree(d[i]); + kfree(d); + return -ENOMEM; + } + } + + dst->pointer.str = d; + return 0; +} + +static int property_entry_copy_data(struct property_entry *dst, + const struct property_entry *src) +{ + const void *pointer = property_get_pointer(src); + const void *new; + int error; + + if (src->is_array) { + if (!src->length) + return -ENODATA; + + if (src->type == DEV_PROP_STRING) { + error = property_copy_string_array(dst, src); + if (error) + return error; + new = dst->pointer.str; + } else { + new = kmemdup(pointer, src->length, GFP_KERNEL); + if (!new) + return -ENOMEM; + } + } else if (src->type == DEV_PROP_STRING) { + new = kstrdup(src->value.str, GFP_KERNEL); + if (!new && src->value.str) + return -ENOMEM; + } else { + new = pointer; + } + + dst->length = src->length; + dst->is_array = src->is_array; + dst->type = src->type; + + property_set_pointer(dst, new); + + dst->name = kstrdup(src->name, GFP_KERNEL); + if (!dst->name) + goto out_free_data; + + return 0; + +out_free_data: + property_entry_free_data(dst); + return -ENOMEM; +} + +/** + * property_entries_dup - duplicate array of properties + * @properties: array of properties to copy + * + * This function creates a deep copy of the given NULL-terminated array + * of property entries. + */ +struct property_entry * +property_entries_dup(const struct property_entry *properties) +{ + struct property_entry *p; + int i, n = 0; + int ret; + + while (properties[n].name) + n++; + + p = kcalloc(n + 1, sizeof(*p), GFP_KERNEL); + if (!p) + return ERR_PTR(-ENOMEM); + + for (i = 0; i < n; i++) { + ret = property_entry_copy_data(&p[i], &properties[i]); + if (ret) { + while (--i >= 0) + property_entry_free_data(&p[i]); + kfree(p); + return ERR_PTR(ret); + } + } + + return p; +} +EXPORT_SYMBOL_GPL(property_entries_dup); + +/** + * property_entries_free - free previously allocated array of properties + * @properties: array of properties to destroy + * + * This function frees given NULL-terminated array of property entries, + * along with their data. + */ +void property_entries_free(const struct property_entry *properties) +{ + const struct property_entry *p; + + if (!properties) + return; + + for (p = properties; p->name; p++) + property_entry_free_data(p); + + kfree(properties); +} +EXPORT_SYMBOL_GPL(property_entries_free); + /* -------------------------------------------------------------------------- */ /* fwnode operations */