[PATCH] pmdomain: amlogic: Constify struct meson_secure_pwrc_domain_data

[Ulf Hansson]

On Sun, 6 Jul 2025 at 17:45, Christophe JAILLET
<christophe.jaillet at wanadoo.fr> wrote:
>
> 'struct meson_secure_pwrc_domain_data' are not modified in these drivers.
>
> Constifying these structures moves some data to a read-only section, so
> increases overall security.
>
> On a x86_64, with allmodconfig:
> Before:
> ======
>    text    data     bss     dec     hex filename
>    9248     408       0    9656    25b8 drivers/pmdomain/amlogic/meson-secure-pwrc.o
>
> After:
> =====
>    text    data     bss     dec     hex filename
>    9344     304       0    9648    25b0 drivers/pmdomain/amlogic/meson-secure-pwrc.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>

Applied for next, thanks!

Kind regards
Uffe


> ---
> Compile tested only
> ---
>  drivers/pmdomain/amlogic/meson-secure-pwrc.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> index ff76ea36835e..e8bda60078c4 100644
> --- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> +++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> @@ -342,32 +342,32 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev)
>         return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
>  }
>
> -static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = {
> +static const struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = {
>         .domains = a1_pwrc_domains,
>         .count = ARRAY_SIZE(a1_pwrc_domains),
>  };
>
> -static struct meson_secure_pwrc_domain_data amlogic_secure_a4_pwrc_data = {
> +static const struct meson_secure_pwrc_domain_data amlogic_secure_a4_pwrc_data = {
>         .domains = a4_pwrc_domains,
>         .count = ARRAY_SIZE(a4_pwrc_domains),
>  };
>
> -static struct meson_secure_pwrc_domain_data amlogic_secure_a5_pwrc_data = {
> +static const struct meson_secure_pwrc_domain_data amlogic_secure_a5_pwrc_data = {
>         .domains = a5_pwrc_domains,
>         .count = ARRAY_SIZE(a5_pwrc_domains),
>  };
>
> -static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
> +static const struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
>         .domains = c3_pwrc_domains,
>         .count = ARRAY_SIZE(c3_pwrc_domains),
>  };
>
> -static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = {
> +static const struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = {
>         .domains = s4_pwrc_domains,
>         .count = ARRAY_SIZE(s4_pwrc_domains),
>  };
>
> -static struct meson_secure_pwrc_domain_data amlogic_secure_t7_pwrc_data = {
> +static const struct meson_secure_pwrc_domain_data amlogic_secure_t7_pwrc_data = {
>         .domains = t7_pwrc_domains,
>         .count = ARRAY_SIZE(t7_pwrc_domains),
>  };
> --
> 2.50.0
>