i5400_edac: improve debug messages to better represent the filled memory

Improves the debug output message, in order to better represent the
memory controller hierarchy, when outputing the debug messages.

No functional changes when debug is disabled.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/drivers/edac/i5400_edac.c b/drivers/edac/i5400_edac.c
index ff7bf8050c9c..6640c29e1885 100644
--- a/drivers/edac/i5400_edac.c
+++ b/drivers/edac/i5400_edac.c
@@ -963,7 +963,7 @@ static void calculate_dimm_size(struct i5400_pvt *pvt)
         int dimm, max_dimms;
         char *p, *mem_buffer;
         int space, n;
-        int channel;
+        int channel, branch;
 
         /* ================= Generate some debug output ================= */
         space = PAGE_SIZE;
@@ -1028,6 +1028,19 @@ static void calculate_dimm_size(struct i5400_pvt *pvt)
                 space -= n;
         }
 
+        space -= n;
+        debugf2("%s\n", mem_buffer);
+        p = mem_buffer;
+        space = PAGE_SIZE;
+
+        n = snprintf(p, space, "           ");
+        p += n;
+        for (branch = 0; branch < MAX_BRANCHES; branch++) {
+                n = snprintf(p, space, "       branch %d       | ", branch);
+                p += n;
+                space -= n;
+        }
+
         /* output the last message and free buffer */
         debugf2("%s\n", mem_buffer);
         kfree(mem_buffer);