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iio: dac: ad5380: Constify struct iio_chan_spec_ext_info

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ad5380_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
  12060    3280     192   15532    3cac drivers/iio/dac/ad5380.o

After:
   text    data     bss     dec     hex filename
  12252    3088     192   15532    3cac drivers/iio/dac/ad5380.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 23:02:19 +02:00 committed by Jonathan Cameron
parent ce6c3736d9
commit 948e6dd16d
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/dac/ad5380.c
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@ -240,7 +240,7 @@ static const struct iio_info ad5380_info = {
.write_raw = ad5380_write_raw,
};
static struct iio_chan_spec_ext_info ad5380_ext_info[] = {
static const struct iio_chan_spec_ext_info ad5380_ext_info[] = {
{
.name = "powerdown",
.read = ad5380_read_dac_powerdown,