Merge tag 'driver-core-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / include / linux / device.h

diff --git a/include/linux/device.h b/include/linux/device.h
index 9835067894027f7451fafad0bcb72f19217b1ce3..1b25c7a43f4cc85604fbb0e0becab482edcb84a4 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -55,6 +55,8 @@ struct bus_attribute {
        struct bus_attribute bus_attr_##_name = __ATTR_RW(_name)
 #define BUS_ATTR_RO(_name) \
        struct bus_attribute bus_attr_##_name = __ATTR_RO(_name)
+#define BUS_ATTR_WO(_name) \
+       struct bus_attribute bus_attr_##_name = __ATTR_WO(_name)
 
 extern int __must_check bus_create_file(struct bus_type *,
                                        struct bus_attribute *);
@@ -692,8 +694,10 @@ static inline void *devm_kcalloc(struct device *dev,
 {
        return devm_kmalloc_array(dev, n, size, flags | __GFP_ZERO);
 }
-extern void devm_kfree(struct device *dev, void *p);
+extern void devm_kfree(struct device *dev, const void *p);
 extern char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc;
+extern const char *devm_kstrdup_const(struct device *dev,
+                                     const char *s, gfp_t gfp);
 extern void *devm_kmemdup(struct device *dev, const void *src, size_t len,
                          gfp_t gfp);
 
@@ -773,6 +777,30 @@ struct device *device_connection_find(struct device *dev, const char *con_id);
 void device_connection_add(struct device_connection *con);
 void device_connection_remove(struct device_connection *con);
 
+/**
+ * device_connections_add - Add multiple device connections at once
+ * @cons: Zero terminated array of device connection descriptors
+ */
+static inline void device_connections_add(struct device_connection *cons)
+{
+       struct device_connection *c;
+
+       for (c = cons; c->endpoint[0]; c++)
+               device_connection_add(c);
+}
+
+/**
+ * device_connections_remove - Remove multiple device connections at once
+ * @cons: Zero terminated array of device connection descriptors
+ */
+static inline void device_connections_remove(struct device_connection *cons)
+{
+       struct device_connection *c;
+
+       for (c = cons; c->endpoint[0]; c++)
+               device_connection_remove(c);
+}
+
 /**
  * enum device_link_state - Device link states.
  * @DL_STATE_NONE: The presence of the drivers is not being tracked.