Re: [PATCH 1/6] Staging: iio: addac: Prefer using the BIT macro

From: Jonathan Cameron
Date: Sat Sep 12 2015 - 05:53:16 EST


On 10/09/15 17:30, Shraddha Barke wrote:
> This patch replaces bit shifting on 1 with the BIT(x) macro.
>
> This was done with coccinelle:
>
> @@ int g; @@
>
> -(1 << g)
> +BIT(g)
>
> Signed-off-by: Shraddha Barke <shraddha.6596@xxxxxxxxx>
Good straight forward cases. Applied to the togreg branch of iio.git.
Will be initially pushed out as testing for the autobuilders to play with
it.

Thanks,

Jonathan
> ---
> drivers/staging/iio/addac/adt7316.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c
> index 5b11b42..a1dd745 100644
> --- a/drivers/staging/iio/addac/adt7316.c
> +++ b/drivers/staging/iio/addac/adt7316.c
> @@ -1756,43 +1756,43 @@ static irqreturn_t adt7316_event_handler(int irq, void *private)
> stat1 &= 0x1F;
>
> time = iio_get_time_ns();
> - if (stat1 & (1 << 0))
> + if (stat1 & BIT(0))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
> IIO_EV_TYPE_THRESH,
> IIO_EV_DIR_RISING),
> time);
> - if (stat1 & (1 << 1))
> + if (stat1 & BIT(1))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
> IIO_EV_TYPE_THRESH,
> IIO_EV_DIR_FALLING),
> time);
> - if (stat1 & (1 << 2))
> + if (stat1 & BIT(2))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1,
> IIO_EV_TYPE_THRESH,
> IIO_EV_DIR_RISING),
> time);
> - if (stat1 & (1 << 3))
> + if (stat1 & BIT(3))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1,
> IIO_EV_TYPE_THRESH,
> IIO_EV_DIR_FALLING),
> time);
> - if (stat1 & (1 << 5))
> + if (stat1 & BIT(5))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1,
> IIO_EV_TYPE_THRESH,
> IIO_EV_DIR_EITHER),
> time);
> - if (stat1 & (1 << 6))
> + if (stat1 & BIT(6))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2,
> IIO_EV_TYPE_THRESH,
> IIO_EV_DIR_EITHER),
> time);
> - if (stat1 & (1 << 7))
> + if (stat1 & BIT(7))
> iio_push_event(indio_dev,
> IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3,
> IIO_EV_TYPE_THRESH,
>

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