adc1220111
'destroy_workqueue()' already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant 'flush_workqueue()' calls. Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Helge Deller <deller@gmx.de>