device: Constify struct device * parameter to acpi_fill_ssdt()

.acpi_fill_ssdt() does not need to modify the device structure. This
change makes the struct device * parameter to acpi_fill_ssdt() as
const.

Change-Id: I110f4c67c3b6671c9ac0a82e02609902a8ee5d5c
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40710
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c
index 3074f1a08f..426c2de95a 100644
--- a/src/soc/intel/baytrail/acpi.c
+++ b/src/soc/intel/baytrail/acpi.c
@@ -402,7 +402,7 @@ static void generate_P_state_entries(int core, int cores_per_package)
 	acpigen_pop_len();
 }
 
-void generate_cpu_entries(struct device *device)
+void generate_cpu_entries(const struct device *device)
 {
 	int core;
 	int pcontrol_blk = get_pmbase(), plen = 6;
diff --git a/src/soc/intel/baytrail/gfx.c b/src/soc/intel/baytrail/gfx.c
index 7e65c966c1..fe842ac266 100644
--- a/src/soc/intel/baytrail/gfx.c
+++ b/src/soc/intel/baytrail/gfx.c
@@ -386,7 +386,7 @@ static void gfx_init(struct device *dev)
 	intel_gma_restore_opregion();
 }
 
-static void gma_generate_ssdt(struct device *dev)
+static void gma_generate_ssdt(const struct device *dev)
 {
 	const struct soc_intel_baytrail_config *chip = dev->chip_info;