[LinuxPPS] [PATCHv4 11/17] pps: simplify conditions a bit

Rodolfo Giometti giometti at enneenne.com
Sat Nov 20 17:15:12 CET 2010


On Thu, Nov 18, 2010 at 07:01:04PM +0300, Alexander Gordeev wrote:
> Bitwise conjunction is distributive so we can simplify some conditions.
> 
> Signed-off-by: Alexander Gordeev <lasaine at lvk.cs.msu.su>
> ---
>  drivers/pps/kapi.c |    6 ++----
>  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pps/kapi.c b/drivers/pps/kapi.c
> index 54261c4..2bdfbed 100644
> --- a/drivers/pps/kapi.c
> +++ b/drivers/pps/kapi.c
> @@ -184,8 +184,7 @@ void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event,
>  
>  	/* Check the event */
>  	pps->current_mode = pps->params.mode;
> -	if ((event & PPS_CAPTUREASSERT) &
> -			(pps->params.mode & PPS_CAPTUREASSERT)) {
> +	if (event & pps->params.mode & PPS_CAPTUREASSERT) {
>  		/* We have to add an offset? */
>  		if (pps->params.mode & PPS_OFFSETASSERT)
>  			pps_add_offset(&ts_real,
> @@ -199,8 +198,7 @@ void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event,
>  
>  		captured = ~0;
>  	}
> -	if ((event & PPS_CAPTURECLEAR) &
> -			(pps->params.mode & PPS_CAPTURECLEAR)) {
> +	if (event & pps->params.mode & PPS_CAPTURECLEAR) {
>  		/* We have to add an offset? */
>  		if (pps->params.mode & PPS_OFFSETCLEAR)
>  			pps_add_offset(&ts_real,
> -- 
> 1.7.2.3
> 

Acked-by: Rodolfo Giometti <giometti at linux.it>

-- 

GNU/Linux Solutions                  e-mail: giometti at enneenne.com
Linux Device Driver                          giometti at linux.it
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti
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