regmap: Move documentation to regmap.h

Init functions defined in regmap*.c files are now prefixed with
__, take lockdep key and class parameters, and should not be
called directly: move the documentation to regmap.h, where the
macros are defined.

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

7 files changed, 162 insertions, 150 deletions

diff --git a/drivers/base/regmap/regmap-ac97.c b/drivers/base/regmap/regmap-ac97.c
index aa631be8b821..c03ebfd4c731 100644
--- a/drivers/base/regmap/regmap-ac97.c
+++ b/drivers/base/regmap/regmap-ac97.c
@@ -78,15 +78,6 @@ static const struct regmap_bus ac97_regmap_bus = {
         .reg_read = regmap_ac97_reg_read,
 };
 
-/**
- * regmap_init_ac97(): Initialise AC'97 register map
- *
- * @ac97: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
- */
 struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97,
                                   const struct regmap_config *config,
                                   struct lock_class_key *lock_key,
@@ -97,16 +88,6 @@ struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97,
 }
 EXPORT_SYMBOL_GPL(__regmap_init_ac97);
 
-/**
- * devm_regmap_init_ac97(): Initialise AC'97 register map
- *
- * @ac97: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The regmap will be automatically freed by the
- * device management code.
- */
 struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97,
                                        const struct regmap_config *config,
                                        struct lock_class_key *lock_key,
diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c
index 3163b22e2baf..7007d6ea333c 100644
--- a/drivers/base/regmap/regmap-i2c.c
+++ b/drivers/base/regmap/regmap-i2c.c
@@ -233,15 +233,6 @@ static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,
         return ERR_PTR(-ENOTSUPP);
 }
 
-/**
- * regmap_init_i2c(): Initialise register map
- *
- * @i2c: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
- */
 struct regmap *__regmap_init_i2c(struct i2c_client *i2c,
                                  const struct regmap_config *config,
                                  struct lock_class_key *lock_key,
@@ -257,16 +248,6 @@ struct regmap *__regmap_init_i2c(struct i2c_client *i2c,
 }
 EXPORT_SYMBOL_GPL(__regmap_init_i2c);
 
-/**
- * devm_regmap_init_i2c(): Initialise managed register map
- *
- * @i2c: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The regmap will be automatically freed by the
- * device management code.
- */
 struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c,
                                       const struct regmap_config *config,
                                       struct lock_class_key *lock_key,
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index a1b2b270e4bc..426a57e41ac7 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -296,17 +296,6 @@ err_free:
         return ERR_PTR(ret);
 }
 
-/**
- * regmap_init_mmio_clk(): Initialise register map with register clock
- *
- * @dev: Device that will be interacted with
- * @clk_id: register clock consumer ID
- * @regs: Pointer to memory-mapped IO region
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
- */
 struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id,
                                       void __iomem *regs,
                                       const struct regmap_config *config,
@@ -324,18 +313,6 @@ struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id,
 }
 EXPORT_SYMBOL_GPL(__regmap_init_mmio_clk);
 
-/**
- * devm_regmap_init_mmio_clk(): Initialise managed register map with clock
- *
- * @dev: Device that will be interacted with
- * @clk_id: register clock consumer ID
- * @regs: Pointer to memory-mapped IO region
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The regmap will be automatically freed by the
- * device management code.
- */
 struct regmap *__devm_regmap_init_mmio_clk(struct device *dev,
                                            const char *clk_id,
                                            void __iomem *regs,
diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
index 4c7850d660d1..edd9a839d004 100644
--- a/drivers/base/regmap/regmap-spi.c
+++ b/drivers/base/regmap/regmap-spi.c
@@ -113,15 +113,6 @@ static struct regmap_bus regmap_spi = {
         .val_format_endian_default = REGMAP_ENDIAN_BIG,
 };
 
-/**
- * regmap_init_spi(): Initialise register map
- *
- * @spi: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
- */
 struct regmap *__regmap_init_spi(struct spi_device *spi,
                                  const struct regmap_config *config,
                                  struct lock_class_key *lock_key,
@@ -132,16 +123,6 @@ struct regmap *__regmap_init_spi(struct spi_device *spi,
 }
 EXPORT_SYMBOL_GPL(__regmap_init_spi);
 
-/**
- * devm_regmap_init_spi(): Initialise register map
- *
- * @spi: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The map will be automatically freed by the
- * device management code.
- */
 struct regmap *__devm_regmap_init_spi(struct spi_device *spi,
                                       const struct regmap_config *config,
                                       struct lock_class_key *lock_key,
diff --git a/drivers/base/regmap/regmap-spmi.c b/drivers/base/regmap/regmap-spmi.c
index 7f50f5862d39..7e58f6560399 100644
--- a/drivers/base/regmap/regmap-spmi.c
+++ b/drivers/base/regmap/regmap-spmi.c
@@ -91,14 +91,6 @@ static struct regmap_bus regmap_spmi_base = {
         .val_format_endian_default      = REGMAP_ENDIAN_NATIVE,
 };
 
-/**
- * regmap_init_spmi_base(): Create regmap for the Base register space
- * @sdev:       SPMI device that will be interacted with
- * @config:     Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
- */
 struct regmap *__regmap_init_spmi_base(struct spmi_device *sdev,
                                        const struct regmap_config *config,
                                        struct lock_class_key *lock_key,
@@ -109,15 +101,6 @@ struct regmap *__regmap_init_spmi_base(struct spmi_device *sdev,
 }
 EXPORT_SYMBOL_GPL(__regmap_init_spmi_base);
 
-/**
- * devm_regmap_init_spmi_base(): Create managed regmap for Base register space
- * @sdev:       SPMI device that will be interacted with
- * @config:     Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The regmap will be automatically freed by the
- * device management code.
- */
 struct regmap *__devm_regmap_init_spmi_base(struct spmi_device *sdev,
                                             const struct regmap_config *config,
                                             struct lock_class_key *lock_key,
@@ -228,14 +211,6 @@ static struct regmap_bus regmap_spmi_ext = {
         .val_format_endian_default      = REGMAP_ENDIAN_NATIVE,
 };
 
-/**
- * regmap_init_spmi_ext(): Create regmap for Ext register space
- * @sdev:       Device that will be interacted with
- * @config:     Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
- */
 struct regmap *__regmap_init_spmi_ext(struct spmi_device *sdev,
                                       const struct regmap_config *config,
                                       struct lock_class_key *lock_key,
@@ -246,15 +221,6 @@ struct regmap *__regmap_init_spmi_ext(struct spmi_device *sdev,
 }
 EXPORT_SYMBOL_GPL(__regmap_init_spmi_ext);
 
-/**
- * devm_regmap_init_spmi_ext(): Create managed regmap for Ext register space
- * @sdev:       SPMI device that will be interacted with
- * @config:     Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The regmap will be automatically freed by the
- * device management code.
- */
 struct regmap *__devm_regmap_init_spmi_ext(struct spmi_device *sdev,
                                            const struct regmap_config *config,
                                            struct lock_class_key *lock_key,
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index b9fddccd6e06..53ba9d9e17d1 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -515,18 +515,6 @@ enum regmap_endian regmap_get_val_endian(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(regmap_get_val_endian);
 
-/**
- * regmap_init(): Initialise register map
- *
- * @dev: Device that will be interacted with
- * @bus: Bus-specific callbacks to use with device
- * @bus_context: Data passed to bus-specific callbacks
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.  This function should generally not be called
- * directly, it should be called by bus-specific init functions.
- */
 struct regmap *__regmap_init(struct device *dev,
                              const struct regmap_bus *bus,
                              void *bus_context,
@@ -912,19 +900,6 @@ static void devm_regmap_release(struct device *dev, void *res)
         regmap_exit(*(struct regmap **)res);
 }
 
-/**
- * devm_regmap_init(): Initialise managed register map
- *
- * @dev: Device that will be interacted with
- * @bus: Bus-specific callbacks to use with device
- * @bus_context: Data passed to bus-specific callbacks
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  This function should generally not be called
- * directly, it should be called by bus-specific init functions.  The
- * map will be automatically freed by the device management code.
- */
 struct regmap *__devm_regmap_init(struct device *dev,
                                   const struct regmap_bus *bus,
                                   void *bus_context,
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 5d7027286032..ee032eca630d 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -419,65 +419,202 @@ struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97,
 #define __regmap_lockdep_wrapper(fn, name, ...) fn(__VA_ARGS__, NULL, NULL)
 #endif
 
+/**
+ * regmap_init(): Initialise register map
+ *
+ * @dev: Device that will be interacted with
+ * @bus: Bus-specific callbacks to use with device
+ * @bus_context: Data passed to bus-specific callbacks
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.  This function should generally not be called
+ * directly, it should be called by bus-specific init functions.
+ */
 #define regmap_init(dev, bus, bus_context, config)                      \
         __regmap_lockdep_wrapper(__regmap_init, #config,                \
                                 dev, bus, bus_context, config)
 int regmap_attach_dev(struct device *dev, struct regmap *map,
                       const struct regmap_config *config);
+
+/**
+ * regmap_init_i2c(): Initialise register map
+ *
+ * @i2c: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
 #define regmap_init_i2c(i2c, config)                                    \
         __regmap_lockdep_wrapper(__regmap_init_i2c, #config,            \
                                 i2c, config)
+
+/**
+ * regmap_init_spi(): Initialise register map
+ *
+ * @spi: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
 #define regmap_init_spi(dev, config)                                    \
         __regmap_lockdep_wrapper(__regmap_init_spi, #config,            \
                                 dev, config)
+
+/**
+ * regmap_init_spmi_base(): Create regmap for the Base register space
+ * @sdev:       SPMI device that will be interacted with
+ * @config:     Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
 #define regmap_init_spmi_base(dev, config)                              \
         __regmap_lockdep_wrapper(__regmap_init_spmi_base, #config,      \
                                 dev, config)
+
+/**
+ * regmap_init_spmi_ext(): Create regmap for Ext register space
+ * @sdev:       Device that will be interacted with
+ * @config:     Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
 #define regmap_init_spmi_ext(dev, config)                               \
         __regmap_lockdep_wrapper(__regmap_init_spmi_ext, #config,       \
                                 dev, config)
+
+/**
+ * regmap_init_mmio_clk(): Initialise register map with register clock
+ *
+ * @dev: Device that will be interacted with
+ * @clk_id: register clock consumer ID
+ * @regs: Pointer to memory-mapped IO region
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
 #define regmap_init_mmio_clk(dev, clk_id, regs, config)                 \
         __regmap_lockdep_wrapper(__regmap_init_mmio_clk, #config,       \
                                 dev, clk_id, regs, config)
+
+/**
+ * regmap_init_mmio(): Initialise register map
+ *
+ * @dev: Device that will be interacted with
+ * @regs: Pointer to memory-mapped IO region
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
+#define regmap_init_mmio(dev, regs, config)             \
+        regmap_init_mmio_clk(dev, NULL, regs, config)
+
+/**
+ * regmap_init_ac97(): Initialise AC'97 register map
+ *
+ * @ac97: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer to
+ * a struct regmap.
+ */
 #define regmap_init_ac97(ac97, config)                                  \
         __regmap_lockdep_wrapper(__regmap_init_ac97, #config,           \
                                 ac97, config)
 bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
 
+/**
+ * devm_regmap_init(): Initialise managed register map
+ *
+ * @dev: Device that will be interacted with
+ * @bus: Bus-specific callbacks to use with device
+ * @bus_context: Data passed to bus-specific callbacks
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  This function should generally not be called
+ * directly, it should be called by bus-specific init functions.  The
+ * map will be automatically freed by the device management code.
+ */
 #define devm_regmap_init(dev, bus, bus_context, config)                 \
         __regmap_lockdep_wrapper(__devm_regmap_init, #config,           \
                                 dev, bus, bus_context, config)
+
+/**
+ * devm_regmap_init_i2c(): Initialise managed register map
+ *
+ * @i2c: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  The regmap will be automatically freed by the
+ * device management code.
+ */
 #define devm_regmap_init_i2c(i2c, config)                               \
         __regmap_lockdep_wrapper(__devm_regmap_init_i2c, #config,       \
                                 i2c, config)
+
+/**
+ * devm_regmap_init_spi(): Initialise register map
+ *
+ * @spi: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  The map will be automatically freed by the
+ * device management code.
+ */
 #define devm_regmap_init_spi(dev, config)                               \
         __regmap_lockdep_wrapper(__devm_regmap_init_spi, #config,       \
                                 dev, config)
+
+/**
+ * devm_regmap_init_spmi_base(): Create managed regmap for Base register space
+ * @sdev:       SPMI device that will be interacted with
+ * @config:     Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  The regmap will be automatically freed by the
+ * device management code.
+ */
 #define devm_regmap_init_spmi_base(dev, config)                         \
         __regmap_lockdep_wrapper(__devm_regmap_init_spmi_base, #config, \
                                 dev, config)
+
+/**
+ * devm_regmap_init_spmi_ext(): Create managed regmap for Ext register space
+ * @sdev:       SPMI device that will be interacted with
+ * @config:     Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  The regmap will be automatically freed by the
+ * device management code.
+ */
 #define devm_regmap_init_spmi_ext(dev, config)                          \
         __regmap_lockdep_wrapper(__devm_regmap_init_spmi_ext, #config,  \
                                 dev, config)
-#define devm_regmap_init_mmio_clk(dev, clk_id, regs, config)            \
-        __regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config,  \
-                                dev, clk_id, regs, config)
-#define devm_regmap_init_ac97(ac97, config)                             \
-        __regmap_lockdep_wrapper(__devm_regmap_init_ac97, #config,      \
-                                ac97, config)
 
 /**
- * regmap_init_mmio(): Initialise register map
+ * devm_regmap_init_mmio_clk(): Initialise managed register map with clock
  *
  * @dev: Device that will be interacted with
+ * @clk_id: register clock consumer ID
  * @regs: Pointer to memory-mapped IO region
  * @config: Configuration for register map
  *
- * The return value will be an ERR_PTR() on error or a valid pointer to
- * a struct regmap.
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  The regmap will be automatically freed by the
+ * device management code.
  */
-#define regmap_init_mmio(dev, regs, config)             \
-        regmap_init_mmio_clk(dev, NULL, regs, config)
+#define devm_regmap_init_mmio_clk(dev, clk_id, regs, config)            \
+        __regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config,  \
+                                dev, clk_id, regs, config)
 
 /**
  * devm_regmap_init_mmio(): Initialise managed register map
@@ -493,6 +630,20 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
 #define devm_regmap_init_mmio(dev, regs, config)                \
         devm_regmap_init_mmio_clk(dev, NULL, regs, config)
 
+/**
+ * devm_regmap_init_ac97(): Initialise AC'97 register map
+ *
+ * @ac97: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap.  The regmap will be automatically freed by the
+ * device management code.
+ */
+#define devm_regmap_init_ac97(ac97, config)                             \
+        __regmap_lockdep_wrapper(__devm_regmap_init_ac97, #config,      \
+                                ac97, config)
+
 void regmap_exit(struct regmap *map);
 int regmap_reinit_cache(struct regmap *map,
                         const struct regmap_config *config);