diff options
Diffstat (limited to 'drivers/core')
-rw-r--r-- | drivers/core/of_access.c | 43 | ||||
-rw-r--r-- | drivers/core/ofnode.c | 51 |
2 files changed, 48 insertions, 46 deletions
diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c index 0e5915a43e..a52f5a6b18 100644 --- a/drivers/core/of_access.c +++ b/drivers/core/of_access.c @@ -887,3 +887,46 @@ struct device_node *of_get_stdout(void) { return of_stdout; } + +int of_write_prop(struct device_node *np, const char *propname, int len, + const void *value) +{ + struct property *pp; + struct property *pp_last = NULL; + struct property *new; + + if (!np) + return -EINVAL; + + for (pp = np->properties; pp; pp = pp->next) { + if (strcmp(pp->name, propname) == 0) { + /* Property exists -> change value */ + pp->value = (void *)value; + pp->length = len; + return 0; + } + pp_last = pp; + } + + if (!pp_last) + return -ENOENT; + + /* Property does not exist -> append new property */ + new = malloc(sizeof(struct property)); + if (!new) + return -ENOMEM; + + new->name = strdup(propname); + if (!new->name) { + free(new); + return -ENOMEM; + } + + new->value = (void *)value; + new->length = len; + new->next = NULL; + + pp_last->next = new; + + return 0; +} diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 1c9542a356..b7a55589a1 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -1108,55 +1108,17 @@ ofnode ofnode_by_prop_value(ofnode from, const char *propname, int ofnode_write_prop(ofnode node, const char *propname, const void *value, int len) { - const struct device_node *np = ofnode_to_np(node); - struct property *pp; - struct property *pp_last = NULL; - struct property *new; - - if (!of_live_active()) - return -ENOSYS; - - if (!np) - return -EINVAL; - - for (pp = np->properties; pp; pp = pp->next) { - if (strcmp(pp->name, propname) == 0) { - /* Property exists -> change value */ - pp->value = (void *)value; - pp->length = len; - return 0; - } - pp_last = pp; - } - - if (!pp_last) - return -ENOENT; - - /* Property does not exist -> append new property */ - new = malloc(sizeof(struct property)); - if (!new) - return -ENOMEM; - - new->name = strdup(propname); - if (!new->name) { - free(new); - return -ENOMEM; - } - - new->value = (void *)value; - new->length = len; - new->next = NULL; - - pp_last->next = new; + if (of_live_active()) + return of_write_prop(ofnode_to_npw(node), propname, len, value); + else + return fdt_setprop((void *)gd->fdt_blob, ofnode_to_offset(node), + propname, value, len); return 0; } int ofnode_write_string(ofnode node, const char *propname, const char *value) { - if (!of_live_active()) - return -ENOSYS; - assert(ofnode_valid(node)); debug("%s: %s = %s", __func__, propname, value); @@ -1166,9 +1128,6 @@ int ofnode_write_string(ofnode node, const char *propname, const char *value) int ofnode_set_enabled(ofnode node, bool value) { - if (!of_live_active()) - return -ENOSYS; - assert(ofnode_valid(node)); if (value) |