The /sys/class/firmware/dell_rbu/ entries will remain till the following is
done.
-echo -1 > /sys/class/firmware/dell_rbu/loading.
+echo -1 > /sys/class/firmware/dell_rbu/loading
Until this step is completed the driver cannot be unloaded.
-Also echoing either mono ,packet or init in to image_type will free up the
+Also echoing either mono, packet or init in to image_type will free up the
memory allocated by the driver.
-If an user by accident executes steps 1 and 3 above without executing step 2;
-it will make the /sys/class/firmware/dell_rbu/ entries to disappear.
+If a user by accident executes steps 1 and 3 above without executing step 2;
+it will make the /sys/class/firmware/dell_rbu/ entries disappear.
The entries can be recreated by doing the following
echo init > /sys/devices/platform/dell_rbu/image_type
NOTE: echoing init in image_type does not change it original value.