1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index 4e8337602e78..20641925d313 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -106,16 +106,26 @@ static int nr_channels;
 
 static int how_many_channels(struct pci_dev *pdev)
 {
+        int n_channels;
+
         unsigned char capid0_8b; /* 8th byte of CAPID0 */
 
         pci_read_config_byte(pdev, I3200_CAPID0 + 8, &capid0_8b);
+
         if (capid0_8b & 0x20) { /* check DCD: Dual Channel Disable */
                 edac_dbg(0, "In single channel mode\n");
-                return 1;
+                n_channels = 1;
         } else {
                 edac_dbg(0, "In dual channel mode\n");
-                return 2;
+                n_channels = 2;
         }
+
+        if (capid0_8b & 0x10) /* check if both channels are filled */
+                edac_dbg(0, "2 DIMMS per channel disabled\n");
+        else
+                edac_dbg(0, "2 DIMMS per channel enabled\n");
+
+        return n_channels;
 }
 
 static unsigned long eccerrlog_syndrome(u64 log)
@@ -290,6 +300,8 @@ static void i3200_get_drbs(void __iomem *window,
         for (i = 0; i < I3200_RANKS_PER_CHANNEL; i++) {
                 drbs[0][i] = readw(window + I3200_C0DRB + 2*i) & I3200_DRB_MASK;
                 drbs[1][i] = readw(window + I3200_C1DRB + 2*i) & I3200_DRB_MASK;
+
+                edac_dbg(0, "drb[0][%d] = %d, drb[1][%d] = %d\n", i, drbs[0][i], i, drbs[1][i]);
         }
 }