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SubjectRe: [PATCH 3/6] iio: dac: ad5592r-base: Constify struct iio_chan_spec_ext_info
Date
On Tue, 2020-05-26 at 23:02 +0200, Rikard Falkeborn wrote:
> [External]
>
> ad5592r_ext_info is not modified and can be made const to allow the
> compiler to put it in read-only memory.
>
> Before:
> text data bss dec hex filename
> 13293 2088 256 15637 3d15 drivers/iio/dac/ad5592r-base.o
>
> After:
> text data bss dec hex filename
> 13421 1960 256 15637 3d15 drivers/iio/dac/ad5592r-base.o
>

Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>

> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
> ---
> drivers/iio/dac/ad5592r-base.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-
> base.c
> index 410e90e5f75f..7402f67a551d 100644
> --- a/drivers/iio/dac/ad5592r-base.c
> +++ b/drivers/iio/dac/ad5592r-base.c
> @@ -484,7 +484,7 @@ static ssize_t ad5592r_show_scale_available(struct
> iio_dev *iio_dev,
> st->scale_avail[1][0], st->scale_avail[1][1]);
> }
>
> -static struct iio_chan_spec_ext_info ad5592r_ext_info[] = {
> +static const struct iio_chan_spec_ext_info ad5592r_ext_info[] = {
> {
> .name = "scale_available",
> .read = ad5592r_show_scale_available,
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