diff options
| author | Len Brown <len.brown@intel.com> | 2011-01-13 02:06:06 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-13 02:06:06 +0300 |
| commit | 56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch) | |
| tree | b902491aef3a99efe0d9d49edd0f6e414dba654f /drivers/of/platform.c | |
| parent | 2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff) | |
| parent | f878133bf022717b880d0e0995b8f91436fd605c (diff) | |
| download | linux-56dbed129df3fdd4caf9018b6e7599ee258a5420.tar.xz | |
Merge branch 'linus' into idle-test
Diffstat (limited to 'drivers/of/platform.c')
| -rw-r--r-- | drivers/of/platform.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 5b4a07f1220e..c01cd1ac7617 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -633,6 +633,9 @@ EXPORT_SYMBOL(of_device_alloc); * @np: pointer to node to create device for * @bus_id: name to assign device * @parent: Linux device model parent device. + * + * Returns pointer to created platform device, or NULL if a device was not + * registered. Unavailable devices will not get registered. */ struct platform_device *of_platform_device_create(struct device_node *np, const char *bus_id, @@ -640,6 +643,9 @@ struct platform_device *of_platform_device_create(struct device_node *np, { struct platform_device *dev; + if (!of_device_is_available(np)) + return NULL; + dev = of_device_alloc(np, bus_id, parent); if (!dev) return NULL; @@ -683,8 +689,9 @@ static int of_platform_bus_create(const struct device_node *bus, pr_debug(" create child: %s\n", child->full_name); dev = of_platform_device_create(child, NULL, parent); if (dev == NULL) - rc = -ENOMEM; - else if (!of_match_node(matches, child)) + continue; + + if (!of_match_node(matches, child)) continue; if (rc == 0) { pr_debug(" and sub busses\n"); @@ -733,10 +740,9 @@ int of_platform_bus_probe(struct device_node *root, if (of_match_node(matches, root)) { pr_debug(" root match, create all sub devices\n"); dev = of_platform_device_create(root, NULL, parent); - if (dev == NULL) { - rc = -ENOMEM; + if (dev == NULL) goto bail; - } + pr_debug(" create all sub busses\n"); rc = of_platform_bus_create(root, matches, &dev->dev); goto bail; @@ -748,9 +754,9 @@ int of_platform_bus_probe(struct device_node *root, pr_debug(" match: %s\n", child->full_name); dev = of_platform_device_create(child, NULL, parent); if (dev == NULL) - rc = -ENOMEM; - else - rc = of_platform_bus_create(child, matches, &dev->dev); + continue; + + rc = of_platform_bus_create(child, matches, &dev->dev); if (rc) { of_node_put(child); break; |