1 files changed, 13 insertions, 2 deletions

diff --git a/drivers/memory/mvebu-devbus.c b/drivers/memory/mvebu-devbus.c
index 110c03627051..b59a17fb7c3e 100644
--- a/drivers/memory/mvebu-devbus.c
+++ b/drivers/memory/mvebu-devbus.c
@@ -108,8 +108,19 @@ static int devbus_set_timing_params(struct devbus *devbus,
                         node->full_name);
                 return err;
         }
-        /* Convert bit width to byte width */
-        r.bus_width /= 8;
+
+        /*
+         * The bus width is encoded into the register as 0 for 8 bits,
+         * and 1 for 16 bits, so we do the necessary conversion here.
+         */
+        if (r.bus_width == 8)
+                r.bus_width = 0;
+        else if (r.bus_width == 16)
+                r.bus_width = 1;
+        else {
+                dev_err(devbus->dev, "invalid bus width %d\n", r.bus_width);
+                return -EINVAL;
+        }
 
         err = get_timing_param_ps(devbus, node, "devbus,badr-skew-ps",
                                  &r.badr_skew);