i2c: create builtin_i2c_driver to avoid registration boilerplate

[deliverable/linux.git] / include / linux / i2c.h

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index bc2b19ad93578d42f3d119911f54ac9fec0f85cd..200cf13b00f620dae9ea8ecbd15e71d26ffb4a3a 100644 (file)
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -655,7 +655,7 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
 }
 
 /**
- * module_i2c_driver() - Helper macro for registering a I2C driver
+ * module_i2c_driver() - Helper macro for registering a modular I2C driver
  * @__i2c_driver: i2c_driver struct
  *
  * Helper macro for I2C drivers which do not do anything special in module
@@ -666,6 +666,17 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
        module_driver(__i2c_driver, i2c_add_driver, \
                        i2c_del_driver)
 
+/**
+ * builtin_i2c_driver() - Helper macro for registering a builtin I2C driver
+ * @__i2c_driver: i2c_driver struct
+ *
+ * Helper macro for I2C drivers which do not do anything special in their
+ * init. This eliminates a lot of boilerplate. Each driver may only
+ * use this macro once, and calling it replaces device_initcall().
+ */
+#define builtin_i2c_driver(__i2c_driver) \
+       builtin_driver(__i2c_driver, i2c_add_driver)
+
 #endif /* I2C */
 
 #if IS_ENABLED(CONFIG_OF)