diff options
Diffstat (limited to 'kernel/drivers/of/device.c')
| -rw-r--r-- | kernel/drivers/of/device.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/kernel/drivers/of/device.c b/kernel/drivers/of/device.c index 20c1332a0..e5f47cec7 100644 --- a/kernel/drivers/of/device.c +++ b/kernel/drivers/of/device.c @@ -60,11 +60,12 @@ int of_device_add(struct platform_device *ofdev) ofdev->name = dev_name(&ofdev->dev); ofdev->id = -1; - /* device_add will assume that this device is on the same node as - * the parent. If there is no parent defined, set the node - * explicitly */ - if (!ofdev->dev.parent) - set_dev_node(&ofdev->dev, of_node_to_nid(ofdev->dev.of_node)); + /* + * If this device has not binding numa node in devicetree, that is + * of_node_to_nid returns NUMA_NO_NODE. device_add will assume that this + * device is on the same node as the parent. + */ + set_dev_node(&ofdev->dev, of_node_to_nid(ofdev->dev.of_node)); return device_add(&ofdev->dev); } @@ -163,6 +164,18 @@ void of_device_unregister(struct platform_device *ofdev) } EXPORT_SYMBOL(of_device_unregister); +const void *of_device_get_match_data(const struct device *dev) +{ + const struct of_device_id *match; + + match = of_match_device(dev->driver->of_match_table, dev); + if (!match) + return NULL; + + return match->data; +} +EXPORT_SYMBOL(of_device_get_match_data); + ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len) { const char *compat; |