[PATCH 03/11] regulator: introduce regulator logging functions.

[Sascha Hauer]

dev_* functions only print the struct device * as context, but often
a single struct device * implements multiple regulators. Add rdev_*
logging functions which allow to to print one specific regulator as
context.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/regulator/core.c | 12 ++++++++++--
 include/regulator.h      | 13 +++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 41a3378ac8..8ef5a2372c 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -19,6 +19,14 @@ struct regulator {
 	struct device *dev;
 };
 
+const char *rdev_get_name(struct regulator_dev *rdev)
+{
+	if (rdev->name)
+		return rdev->name;
+
+	return "";
+}
+
 static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV,
 				 int max_uV)
 {
@@ -125,7 +133,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
 	if (!supply_name)
 		return 0;
 
-	dev_dbg(rdev->dev, "resolving %s\n", supply_name);
+	rdev_dbg(rdev, "resolving %s\n", supply_name);
 
 	supply = regulator_get(rdev->dev, supply_name);
 	if (IS_ERR(supply)) {
@@ -141,7 +149,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
 		 * we couldn't. If you want to get rid of this warning, consider
 		 * migrating your platform to have deep probe support.
 		 */
-		dev_warn(rdev->dev, "Failed to get '%s' regulator (ignored).\n",
+		rdev_warn(rdev, "Failed to get '%s' regulator (ignored).\n",
 			 supply_name);
 		return 0;
 	}
diff --git a/include/regulator.h b/include/regulator.h
index 5eb236e602..d02ea8ffd0 100644
--- a/include/regulator.h
+++ b/include/regulator.h
@@ -159,6 +159,19 @@ int dev_regulator_register(struct regulator_dev *rd, const char * name,
 
 void regulators_print(void);
 
+const char *rdev_get_name(struct regulator_dev *rdev);
+
+#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__)
+
 #ifdef CONFIG_REGULATOR
 
 struct regulator *regulator_get(struct device *, const char *);
-- 
2.39.2