On Mon, Sep 11, 2017 at 09:29:31PM +0530, Srishti Sharma wrote: > The use of volatile for the variable monitor_lock is unnecessary. > > Signed-off-by: Srishti Sharma <srishtishar@xxxxxxxxx> > --- > drivers/staging/ccree/ssi_request_mgr.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c > index e5c2f92..7d77941 100644 > --- a/drivers/staging/ccree/ssi_request_mgr.c > +++ b/drivers/staging/ccree/ssi_request_mgr.c > @@ -49,7 +49,7 @@ struct ssi_request_mgr_handle { > dma_addr_t dummy_comp_buff_dma; > struct cc_hw_desc monitor_desc; > > - volatile unsigned long monitor_lock; > + unsigned long monitor_lock; The variable seems unused. Try deleting it instead. regards, dan carpenter