diff options
Diffstat (limited to 'drivers/of')
-rw-r--r-- | drivers/of/base.c | 53 |
1 files changed, 16 insertions, 37 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index ff85450d5683..ba195fbce4c6 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -734,42 +734,24 @@ static const struct of_device_id *__of_match_node(const struct of_device_id *matches, const struct device_node *node) { - const char *cp; - int cplen, l; - if (!matches) return NULL; - cp = __of_get_property(node, "compatible", &cplen); - do { - const struct of_device_id *m = matches; - - /* Check against matches with current compatible string */ - while (m->name[0] || m->type[0] || m->compatible[0]) { - int match = 1; - if (m->name[0]) - match &= node->name - && !strcmp(m->name, node->name); - if (m->type[0]) - match &= node->type - && !strcmp(m->type, node->type); - if (m->compatible[0]) - match &= cp - && !of_compat_cmp(m->compatible, cp, - strlen(m->compatible)); - if (match) - return m; - m++; - } - - /* Get node's next compatible string */ - if (cp) { - l = strlen(cp) + 1; - cp += l; - cplen -= l; - } - } while (cp && (cplen > 0)); - + while (matches->name[0] || matches->type[0] || matches->compatible[0]) { + int match = 1; + if (matches->name[0]) + match &= node->name + && !strcmp(matches->name, node->name); + if (matches->type[0]) + match &= node->type + && !strcmp(matches->type, node->type); + if (matches->compatible[0]) + match &= __of_device_is_compatible(node, + matches->compatible); + if (match) + return matches; + matches++; + } return NULL; } @@ -778,10 +760,7 @@ const struct of_device_id *__of_match_node(const struct of_device_id *matches, * @matches: array of of device match structures to search in * @node: the of device structure to match against * - * Low level utility function used by device matching. Matching order - * is to compare each of the node's compatibles with all given matches - * first. This implies node's compatible is sorted from specific to - * generic while matches can be in any order. + * Low level utility function used by device matching. */ const struct of_device_id *of_match_node(const struct of_device_id *matches, const struct device_node *node) |