diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/platform.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 3273a2fad4ad..e5d8a0503b4f 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -1076,13 +1076,37 @@ static ssize_t driver_override_show(struct device *dev, } static DEVICE_ATTR_RW(driver_override); +static ssize_t numa_node_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", dev_to_node(dev)); +} +static DEVICE_ATTR_RO(numa_node); + +static umode_t platform_dev_attrs_visible(struct kobject *kobj, struct attribute *a, + int n) +{ + struct device *dev = container_of(kobj, typeof(*dev), kobj); + + if (a == &dev_attr_numa_node.attr && + dev_to_node(dev) == NUMA_NO_NODE) + return 0; + + return a->mode; +} static struct attribute *platform_dev_attrs[] = { &dev_attr_modalias.attr, + &dev_attr_numa_node.attr, &dev_attr_driver_override.attr, NULL, }; -ATTRIBUTE_GROUPS(platform_dev); + +static struct attribute_group platform_dev_group = { + .attrs = platform_dev_attrs, + .is_visible = platform_dev_attrs_visible, +}; +__ATTRIBUTE_GROUPS(platform_dev); static int platform_uevent(struct device *dev, struct kobj_uevent_env *env) { |