From: simran singhal Date: Tue, 28 Mar 2017 20:21:48 +0000 (+0530) Subject: iio: dac: ad5504: constify attribute_group structures X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e36020fd69952bf42554bbeb2c0e98927a0c656b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git iio: dac: ad5504: constify attribute_group structures Check for attribute_group structures that are only stored in the event_attrs filed of iio_info structure. As the event_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.event_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: text data bss dec hex filename 3046 360 0 3406 d4e drivers/iio/dac/ad5504.o File size after: text data bss dec hex filename 3110 296 0 3406 d4e drivers/iio/dac/ad5504.o Signed-off-by: simran singhal Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index 788b3d6fd1cc..22a027de498a 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -212,7 +212,7 @@ static struct attribute *ad5504_ev_attributes[] = { NULL, }; -static struct attribute_group ad5504_ev_attribute_group = { +static const struct attribute_group ad5504_ev_attribute_group = { .attrs = ad5504_ev_attributes, };