diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/device.h | 3 | ||||
| -rw-r--r-- | include/linux/sysfs.h | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index a8db2cfa2c81..e04f5776f6d0 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -504,6 +504,9 @@ ssize_t device_store_int(struct device *dev, struct device_attribute *attr, #define DEVICE_INT_ATTR(_name, _mode, _var) \ struct dev_ext_attribute dev_attr_##_name = \ { __ATTR(_name, _mode, device_show_int, device_store_int), &(_var) } +#define DEVICE_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \ + struct device_attribute dev_attr_##_name = \ + __ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) extern int device_create_file(struct device *device, const struct device_attribute *entry); diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 0010009b2f00..381f06db2fe5 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -27,6 +27,7 @@ struct attribute { const char *name; umode_t mode; #ifdef CONFIG_DEBUG_LOCK_ALLOC + bool ignore_lockdep:1; struct lock_class_key *key; struct lock_class_key skey; #endif @@ -80,6 +81,17 @@ struct attribute_group { #define __ATTR_NULL { .attr = { .name = NULL } } +#ifdef CONFIG_DEBUG_LOCK_ALLOC +#define __ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) { \ + .attr = {.name = __stringify(_name), .mode = _mode, \ + .ignore_lockdep = true }, \ + .show = _show, \ + .store = _store, \ +} +#else +#define __ATTR_IGNORE_LOCKDEP __ATTR +#endif + #define attr_name(_attr) (_attr).attr.name struct file; |