1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 60f6456691a6..fb034461b395 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -550,7 +550,11 @@ extern const char *dev_driver_string(const struct device *dev);
 #define dev_info(dev, format, arg...)           \
         dev_printk(KERN_INFO , dev , format , ## arg)
 
-#ifdef DEBUG
+#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
+#define dev_dbg(dev, format, ...) do { \
+        dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \
+        } while (0)
+#elif defined(DEBUG)
 #define dev_dbg(dev, format, arg...)            \
         dev_printk(KERN_DEBUG , dev , format , ## arg)
 #else