regulator: move rdev_print helpers to internal.h

The rdev print helpers are a nice way to print messages related to a
specific regulator device. Move them from core.c to internal.h

As the rdev print helpers use rdev_get_name() export it from core.c. Also
move the declaration from coupler.h to driver.h because the rdev name is
not just a coupled regulator property. I guess the main audience for
rdev_get_name() will be the regulator core and drivers.

Signed-off-by: Matti Vaittinen <[e-mail]>
Link: https://lore.kernel.org/r/dc7fd70[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/core.c

···
 #include "dummy.h"
 #include "internal.h"
 
-#define rdev_crit(rdev, fmt, ...)					\
-	pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
-#define rdev_err(rdev, fmt, ...)					\
-	pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
-#define rdev_warn(rdev, fmt, ...)					\
-	pr_warn("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
-#define rdev_info(rdev, fmt, ...)					\
-	pr_info("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
-#define rdev_dbg(rdev, fmt, ...)					\
-	pr_debug("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
-
 static DEFINE_WW_CLASS(regulator_ww_class);
 static DEFINE_MUTEX(regulator_nesting_mutex);
 static DEFINE_MUTEX(regulator_list_mutex);
···
 	else
 		return "";
 }
+EXPORT_SYMBOL_GPL(rdev_get_name);
 
 static bool have_full_constraints(void)
 {

drivers/regulator/internal.h

···
 
 #define REGULATOR_STATES_NUM	(PM_SUSPEND_MAX + 1)
 
+#define rdev_crit(rdev, fmt, ...)					\
+	pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
+#define rdev_err(rdev, fmt, ...)					\
+	pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
+#define rdev_warn(rdev, fmt, ...)					\
+	pr_warn("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
+#define rdev_info(rdev, fmt, ...)					\
+	pr_info("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
+#define rdev_dbg(rdev, fmt, ...)					\
+	pr_debug("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
+
 struct regulator_voltage {
 	int min_uV;
 	int max_uV;

include/linux/regulator/coupler.h

···
 
 #ifdef CONFIG_REGULATOR
 int regulator_coupler_register(struct regulator_coupler *coupler);
-const char *rdev_get_name(struct regulator_dev *rdev);
 int regulator_check_consumers(struct regulator_dev *rdev,
 			      int *min_uV, int *max_uV,
 			      suspend_state_t state);
···
 static inline int regulator_coupler_register(struct regulator_coupler *coupler)
 {
 	return 0;
-}
-static inline const char *rdev_get_name(struct regulator_dev *rdev)
-{
-	return NULL;
 }
 static inline int regulator_check_consumers(struct regulator_dev *rdev,
 					    int *min_uV, int *max_uV,

include/linux/regulator/driver.h

···
 
 int regulator_desc_list_voltage_linear(const struct regulator_desc *desc,
 				       unsigned int selector);
+
+#ifdef CONFIG_REGULATOR
+const char *rdev_get_name(struct regulator_dev *rdev);
+#else
+static inline const char *rdev_get_name(struct regulator_dev *rdev)
+{
+	return NULL;
+}
+#endif
+
 #endif