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iio: dac: ad5592r-base: Constify struct iio_chan_spec_ext_info 

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

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Rikard Falkeborn 2020-05-26 23:02:20 +02:00 committed by Jonathan Cameron
parent 948e6dd16d
commit 6110cdce93
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/dac/ad5592r-base.c
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@ -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,