pr_debug() should not be used from drivers, add comment saying that. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
@@ -210,6 +210,7 @@ extern enum system_states {
extern void dump_stack(void);
#ifdef DEBUG
+/* If you are writing a driver, please use dev_dbg instead */
#define pr_debug(fmt,arg...) \
printk(KERN_DEBUG fmt,##arg)
#else