soc/intel: Constify `soc_get_cstate_map()`
Return a read-only pointer from the `soc_get_cstate_map()` function.
Also, constify the actual data where applicable.
Change-Id: I7d46f1e373971c789eaf1eb582e9aa2d3f661785
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58392
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/soc/intel/cannonlake/acpi.c b/src/soc/intel/cannonlake/acpi.c
index 5e2d142..fa84ea8 100644
--- a/src/soc/intel/cannonlake/acpi.c
+++ b/src/soc/intel/cannonlake/acpi.c
@@ -111,7 +111,7 @@
C_STATE_C10
};
-acpi_cstate_t *soc_get_cstate_map(size_t *entries)
+const acpi_cstate_t *soc_get_cstate_map(size_t *entries)
{
static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix),
ARRAY_SIZE(cstate_set_non_s0ix))];