iio: dac: ad5686: Constify static struct iio_chan_spec
These are never modified and can be made const to allow the compiler to put it in read-only memory. Before: text data bss dec hex filename 6642 12608 64 19314 4b72 drivers/iio/dac/ad5686.o After: text data bss dec hex filename 16946 2304 64 19314 4b72 drivers/iio/dac/ad5686.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>
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@ -206,12 +206,12 @@ static const struct iio_chan_spec_ext_info ad5686_ext_info[] = {
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}
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#define DECLARE_AD5693_CHANNELS(name, bits, _shift) \
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static struct iio_chan_spec name[] = { \
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static const struct iio_chan_spec name[] = { \
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AD5868_CHANNEL(0, 0, bits, _shift), \
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}
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#define DECLARE_AD5686_CHANNELS(name, bits, _shift) \
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static struct iio_chan_spec name[] = { \
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static const struct iio_chan_spec name[] = { \
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AD5868_CHANNEL(0, 1, bits, _shift), \
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AD5868_CHANNEL(1, 2, bits, _shift), \
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AD5868_CHANNEL(2, 4, bits, _shift), \
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@ -219,7 +219,7 @@ static struct iio_chan_spec name[] = { \
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}
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#define DECLARE_AD5676_CHANNELS(name, bits, _shift) \
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static struct iio_chan_spec name[] = { \
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static const struct iio_chan_spec name[] = { \
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AD5868_CHANNEL(0, 0, bits, _shift), \
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AD5868_CHANNEL(1, 1, bits, _shift), \
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AD5868_CHANNEL(2, 2, bits, _shift), \
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@ -231,7 +231,7 @@ static struct iio_chan_spec name[] = { \
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}
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#define DECLARE_AD5679_CHANNELS(name, bits, _shift) \
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static struct iio_chan_spec name[] = { \
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static const struct iio_chan_spec name[] = { \
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AD5868_CHANNEL(0, 0, bits, _shift), \
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AD5868_CHANNEL(1, 1, bits, _shift), \
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AD5868_CHANNEL(2, 2, bits, _shift), \
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@ -104,7 +104,7 @@ typedef int (*ad5686_read_func)(struct ad5686_state *st, u8 addr);
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struct ad5686_chip_info {
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u16 int_vref_mv;
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unsigned int num_channels;
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struct iio_chan_spec *channels;
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const struct iio_chan_spec *channels;
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enum ad5686_regmap_type regmap_type;
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};
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