diff options
Diffstat (limited to 'drivers/of/base.c')
| -rw-r--r-- | drivers/of/base.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index c6a8f47f5..3ce69536a 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -17,6 +17,9 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ + +#define pr_fmt(fmt) "OF: " fmt + #include <linux/console.h> #include <linux/ctype.h> #include <linux/cpu.h> @@ -130,7 +133,7 @@ static const char *safe_name(struct kobject *kobj, const char *orig_name) if (name == orig_name) { name = kstrdup(orig_name, GFP_KERNEL); } else { - pr_warn("device-tree: Duplicate name in %s, renamed to \"%s\"\n", + pr_warn("Duplicate name in %s, renamed to \"%s\"\n", kobject_name(kobj), name); } return name; @@ -204,7 +207,7 @@ void __init of_core_init(void) of_kset = kset_create_and_add("devicetree", NULL, firmware_kobj); if (!of_kset) { mutex_unlock(&of_mutex); - pr_err("devicetree: failed to register existing nodes\n"); + pr_err("failed to register existing nodes\n"); return; } for_each_of_allnodes(np) @@ -499,6 +502,28 @@ int of_device_is_compatible(const struct device_node *device, } EXPORT_SYMBOL(of_device_is_compatible); +/** Checks if the device is compatible with any of the entries in + * a NULL terminated array of strings. Returns the best match + * score or 0. + */ +int of_device_compatible_match(struct device_node *device, + const char *const *compat) +{ + unsigned int tmp, score = 0; + + if (!compat) + return 0; + + while (*compat) { + tmp = of_device_is_compatible(device, *compat); + if (tmp > score) + score = tmp; + compat++; + } + + return score; +} + /** * of_machine_is_compatible - Test root of device tree for a given compatible value * @compat: compatible string to look for in root node's compatible property. @@ -1606,8 +1631,7 @@ static int __of_parse_phandle_with_args(const struct device_node *np, */ err: - if (it.node) - of_node_put(it.node); + of_node_put(it.node); return rc; } @@ -2269,8 +2293,8 @@ struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, of_node_put(node); if (!port) { - pr_err("%s(): no port node found in %s\n", - __func__, parent->full_name); + pr_err("graph: no port node found in %s\n", + parent->full_name); return NULL; } } else { |