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Staging: iio: adc: constify attribute_group structures
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: drivers/staging/iio/adc/ad7280a.o text data bss dec hex filename 6487 584 776 7847 1ea7 drivers/staging/iio/adc/ad7280a.o File size after: drivers/staging/iio/adc/ad7280a.o text data bss dec hex filename 6551 544 776 7871 1ebf drivers/staging/iio/adc/ad7280a.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -478,7 +478,7 @@ static ssize_t ad7280_store_balance_timer(struct device *dev,
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static struct attribute *ad7280_attributes[AD7280A_MAX_CHAIN *
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static struct attribute *ad7280_attributes[AD7280A_MAX_CHAIN *
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AD7280A_CELLS_PER_DEV * 2 + 1];
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AD7280A_CELLS_PER_DEV * 2 + 1];
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static struct attribute_group ad7280_attrs_group = {
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static const struct attribute_group ad7280_attrs_group = {
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.attrs = ad7280_attributes,
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.attrs = ad7280_attributes,
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};
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};
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