diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index edf3bbeb8d6a..b1727876182c 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -27,9 +27,17 @@ int (*platform_notify)(struct device *dev) = NULL; int (*platform_notify_remove)(struct device *dev) = NULL; -/* - * sysfs bindings for devices. - */ +#ifdef CONFIG_BLOCK +static inline int device_is_not_partition(struct device *dev) +{ + return !(dev->type == &part_type); +} +#else +static inline int device_is_not_partition(struct device *dev) +{ + return 1; +} +#endif /** * dev_driver_string - Return a device's driver name, if at all possible @@ -652,14 +660,14 @@ static int device_add_class_symlinks(struct device *dev) #ifdef CONFIG_SYSFS_DEPRECATED /* stacked class devices need a symlink in the class directory */ if (dev->kobj.parent != &dev->class->subsys.kobj && - dev->type != &part_type) { + device_is_not_partition(dev)) { error = sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj, dev->bus_id); if (error) goto out_subsys; } - if (dev->parent && dev->type != &part_type) { + if (dev->parent && device_is_not_partition(dev)) { struct device *parent = dev->parent; char *class_name; @@ -688,11 +696,11 @@ static int device_add_class_symlinks(struct device *dev) return 0; out_device: - if (dev->parent && dev->type != &part_type) + if (dev->parent && device_is_not_partition(dev)) sysfs_remove_link(&dev->kobj, "device"); out_busid: if (dev->kobj.parent != &dev->class->subsys.kobj && - dev->type != &part_type) + device_is_not_partition(dev)) sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); #else /* link in the class directory pointing to the device */ @@ -701,7 +709,7 @@ out_busid: if (error) goto out_subsys; - if (dev->parent && dev->type != &part_type) { + if (dev->parent && device_is_not_partition(dev)) { error = sysfs_create_link(&dev->kobj, &dev->parent->kobj, "device"); if (error) @@ -725,7 +733,7 @@ static void device_remove_class_symlinks(struct device *dev) return; #ifdef CONFIG_SYSFS_DEPRECATED - if (dev->parent && dev->type != &part_type) { + if (dev->parent && device_is_not_partition(dev)) { char *class_name; class_name = make_class_name(dev->class->name, &dev->kobj); @@ -737,10 +745,10 @@ static void device_remove_class_symlinks(struct device *dev) } if (dev->kobj.parent != &dev->class->subsys.kobj && - dev->type != &part_type) + device_is_not_partition(dev)) sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); #else - if (dev->parent && dev->type != &part_type) + if (dev->parent && device_is_not_partition(dev)) sysfs_remove_link(&dev->kobj, "device"); sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); |
