include/linux/printk.h lib/hexdump.c: neatening and add CONFIG_PRINTK guard

- Move prototypes and align arguments.

- Add CONFIG_PRINTK guard for print_hex functions

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 28 insertions, 14 deletions

diff --git a/include/linux/printk.h b/include/linux/printk.h
index 6442156707c9..e96bd41491bd 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -141,20 +141,6 @@ static inline void log_buf_kexec_setup(void)
 
 extern void dump_stack(void) __cold;
 
-enum {
-        DUMP_PREFIX_NONE,
-        DUMP_PREFIX_ADDRESS,
-        DUMP_PREFIX_OFFSET
-};
-extern void hex_dump_to_buffer(const void *buf, size_t len,
-                                int rowsize, int groupsize,
-                                char *linebuf, size_t linebuflen, bool ascii);
-extern void print_hex_dump(const char *level, const char *prefix_str,
-                                int prefix_type, int rowsize, int groupsize,
-                                const void *buf, size_t len, bool ascii);
-extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
-                        const void *buf, size_t len);
-
 #ifndef pr_fmt
 #define pr_fmt(fmt) fmt
 #endif
@@ -286,4 +272,32 @@ extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
         no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
 #endif
 
+
+enum {
+        DUMP_PREFIX_NONE,
+        DUMP_PREFIX_ADDRESS,
+        DUMP_PREFIX_OFFSET
+};
+extern void hex_dump_to_buffer(const void *buf, size_t len,
+                               int rowsize, int groupsize,
+                               char *linebuf, size_t linebuflen, bool ascii);
+#ifdef CONFIG_PRINTK
+extern void print_hex_dump(const char *level, const char *prefix_str,
+                           int prefix_type, int rowsize, int groupsize,
+                           const void *buf, size_t len, bool ascii);
+extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
+                                 const void *buf, size_t len);
+#else
+static inline void print_hex_dump(const char *level, const char *prefix_str,
+                                  int prefix_type, int rowsize, int groupsize,
+                                  const void *buf, size_t len, bool ascii)
+{
+}
+static inline void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
+                                        const void *buf, size_t len)
+{
+}
+
+#endif
+
 #endif