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iio: adc: max11100: Constify struct iio_chan_spec

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max11100_channels is not modified and can therefore be made const to
allow the compiler to put it in read-only memory.

Before:
   text    data     bss     dec     hex filename
   3776    1168       0    4944    1350 drivers/iio/adc/max11100.o

After:
   text    data     bss     dec     hex filename
   3968     976       0    4944    1350 drivers/iio/adc/max11100.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Rikard Falkeborn 2020-05-26 23:02:18 +02:00 committed by Jonathan Cameron
parent ab4dd0128f
commit ce6c3736d9
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/max11100.c
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@ -37,7 +37,7 @@ struct max11100_state {
u8 buffer[3] ____cacheline_aligned;
};
static struct iio_chan_spec max11100_channels[] = {
static const struct iio_chan_spec max11100_channels[] = {
{ /* [0] */
.type = IIO_VOLTAGE,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |