[PATCH] pmdomain: amlogic: Constify struct meson_secure_pwrc_domain_data
From: Christophe JAILLET <hidden>
Date: 2025-07-06 15:54:41
Also in:
kernel-janitors, linux-amlogic, linux-pm, lkml
Subsystem:
arm/amlogic meson soc support, generic pm domains, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Ulf Hansson, Linus Torvalds
'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 <redacted> --- 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