On 28/03/17 21:21, simran singhal wrote:
> 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 <singhalsimr...@gmail.com>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.
Thanks,
Jonathan
> ---
> drivers/iio/dac/ad5504.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
> index 788b3d6..22a027d 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,
> };
>
>
