[PATCH 3/3] include: printk: retire printk_once for pr_debug_once

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

printk is just printf and KERN_DEBUG is just "", so printk_once(KERN_DEBUG
doesn't do what's promised. Replace instead with pr_debug_once, which
does what one would expect.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 include/printk.h     | 10 ----------
 lib/list_sort.c      |  5 ++---
 scripts/bareboxenv.c |  2 +-
 3 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/include/printk.h b/include/printk.h
index 90c45afd9fc7..6f8635fae2c0 100644
--- a/include/printk.h
+++ b/include/printk.h
@@ -31,16 +31,6 @@ void __attribute__((noreturn)) panic(const char *fmt, ...);
 
 #define printk			printf
 
-#define printk_once(fmt, ...)					\
-({								\
-	static bool __print_once	;			\
-								\
-	if (!__print_once) {					\
-		__print_once = true;				\
-		printk(fmt, ##__VA_ARGS__);			\
-	}							\
-})
-
 enum {
 	DUMP_PREFIX_NONE,
 	DUMP_PREFIX_ADDRESS,
diff --git a/lib/list_sort.c b/lib/list_sort.c
index 77ddadb3d6ac..eea87f834ca4 100644
--- a/lib/list_sort.c
+++ b/lib/list_sort.c
@@ -4,6 +4,7 @@
 #include <linux/kernel.h>
 #define EXPORT_SYMBOL(x)
 #else
+#define pr_fmt(fmt) "list_sort: " fmt
 #include <common.h>
 #include <malloc.h>
 #endif
@@ -129,9 +130,7 @@ void list_sort(void *priv, struct list_head *head,
 		}
 		if (lev > max_lev) {
 			if (unlikely(lev >= ARRAY_SIZE(part)-1)) {
-				printk_once(KERN_DEBUG "list passed to"
-					" list_sort() too long for"
-					" efficiency\n");
+				pr_debug_once("list passed to too long for efficient sorting\n");
 				lev--;
 			}
 			max_lev = lev;
diff --git a/scripts/bareboxenv.c b/scripts/bareboxenv.c
index f1706a5e175b..e954447015c5 100644
--- a/scripts/bareboxenv.c
+++ b/scripts/bareboxenv.c
@@ -20,7 +20,7 @@
 #include "compiler.h"
 
 #define debug(...)
-#define printk_once(...)
+#define pr_debug_once(...)
 
 /* Find out if the last character of a string matches the one given.
  * Don't underrun the buffer if the string length is 0.
-- 
2.30.2