As a result, four global variable causes defined but not used compile warnings.
So just remove unused varialbs g_seqno, g_wid_num, Res_Len and g_oper_mode.
Signed-off-by: Glen Lee <glen.lee@atmel.com> Signed-off-by: Tony Cho <tony.cho@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>