Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index 1d768928e0bb..a52d4a11652d 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -180,10 +180,13 @@ static int ds2760_battery_read_status(struct ds2760_device_info *di)
         di->empty_uAh = battery_interpolate(scale, di->temp_C / 10);
         di->empty_uAh *= 1000; /* convert to µAh */
 
-        /* From Maxim Application Note 131: remaining capacity =
-         * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
-        di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
-                            (di->full_active_uAh - di->empty_uAh);
+        if (di->full_active_uAh == di->empty_uAh)
+                di->rem_capacity = 0;
+        else
+                /* From Maxim Application Note 131: remaining capacity =
+                 * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
+                di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
+                                    (di->full_active_uAh - di->empty_uAh);
 
         if (di->rem_capacity < 0)
                 di->rem_capacity = 0;