On Thursday, February 21, 2013 5:48 PM, Igor Grinberg wrote:
> 
> On 02/21/13 10:31, Jingoo Han wrote:
> > Using gpio_request_one() can make the code simpler because it can
> > set the direction and initial value in one shot.
> 
> If you are on this, then I think converting to gpio_request_array()
> would be even better.

Hi Igor Grinberg,

OK, I see.
I will use gpio_request_array() and send v2 patch soon.
Thank you for your comment.


Best regards,
Jingoo Han

> 
> >
> > Signed-off-by: Jingoo Han <jg1....@samsung.com>
> > ---
> >  drivers/rtc/rtc-v3020.c |    5 ++---
> >  1 files changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c
> > index bca5d67..d59cd24 100644
> > --- a/drivers/rtc/rtc-v3020.c
> > +++ b/drivers/rtc/rtc-v3020.c
> > @@ -125,11 +125,10 @@ static int v3020_gpio_map(struct v3020 *chip, struct 
> > platform_device *pdev,
> >     v3020_gpio[V3020_IO].gpio = pdata->gpio_io;
> >
> >     for (i = 0; i < ARRAY_SIZE(v3020_gpio); i++) {
> > -           err = gpio_request(v3020_gpio[i].gpio, v3020_gpio[i].name);
> > +           err = gpio_request_one(v3020_gpio[i].gpio, GPIOF_OUT_INIT_HIGH,
> > +                                   v3020_gpio[i].name);
> >             if (err)
> >                     goto err_request;
> > -
> > -           gpio_direction_output(v3020_gpio[i].gpio, 1);
> >     }
> 
> If you convert to gpio_request_array(), you can also drop the for loop.
> 
> >
> >     chip->gpio = v3020_gpio;
> >
> 
> --
> Regards,
> Igor.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to