1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index fb034461b395..ec90e79f6a00 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -570,6 +570,14 @@ extern const char *dev_driver_string(const struct device *dev);
         ({ if (0) dev_printk(KERN_DEBUG, dev, format, ##arg); 0; })
 #endif
 
+/*
+ * dev_WARN() acts like dev_printk(), but with the key difference
+ * of using a WARN/WARN_ON to get the message out, including the
+ * file/line information and a backtrace.
+ */
+#define dev_WARN(dev, format, arg...) \
+        WARN(1, "Device: %s\n" format, dev_driver_string(dev), ## arg);
+
 /* Create alias, so I can be autoloaded. */
 #define MODULE_ALIAS_CHARDEV(major,minor) \
         MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor))