[PATCH] s390: increase cio_trace debug event size

Debugging events in cio_trace/hex_ascii are truncated for some trace entries.
Increase trace event size to 16 bytes to cover longer text events, make
CIO_HEX_EVENT an inline function that loops to cover bigger hex events.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 14 insertions, 8 deletions

diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h
index 6af8b27d366b..f88844adae1b 100644
--- a/drivers/s390/cio/cio_debug.h
+++ b/drivers/s390/cio/cio_debug.h
@@ -3,6 +3,11 @@
 
 #include <asm/debug.h>
 
+/* for use of debug feature */
+extern debug_info_t *cio_debug_msg_id;
+extern debug_info_t *cio_debug_trace_id;
+extern debug_info_t *cio_debug_crw_id;
+
 #define CIO_TRACE_EVENT(imp, txt) do { \
                 debug_text_event(cio_debug_trace_id, imp, txt); \
         } while (0)
@@ -15,18 +20,19 @@
                 debug_sprintf_event(cio_debug_crw_id, imp , ##args); \
         } while (0)
 
-#define CIO_HEX_EVENT(imp, args...) do { \
-                debug_event(cio_debug_trace_id, imp, ##args); \
-        } while (0)
+static inline void
+CIO_HEX_EVENT(int level, void *data, int length)
+{
+        while (length > 0) {
+                debug_event(cio_debug_trace_id, level, data, length);
+                length -= cio_debug_trace_id->buf_size;
+                data += cio_debug_trace_id->buf_size;
+        }
+}
 
 #define CIO_DEBUG(printk_level,event_level,msg...) ({ \
         if (cio_show_msg) printk(printk_level msg); \
         CIO_MSG_EVENT (event_level, msg); \
 })
 
-/* for use of debug feature */
-extern debug_info_t *cio_debug_msg_id;
-extern debug_info_t *cio_debug_trace_id;
-extern debug_info_t *cio_debug_crw_id;
-
 #endif