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>
diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c
index 3074f1a..426c2de 100644
--- a/src/soc/intel/baytrail/acpi.c
+++ b/src/soc/intel/baytrail/acpi.c
@@ -402,7 +402,7 @@
 	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 7e65c96..fe842ac 100644
--- a/src/soc/intel/baytrail/gfx.c
+++ b/src/soc/intel/baytrail/gfx.c
@@ -386,7 +386,7 @@
 	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;
 
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c
index 7cabb3a..0b68e09 100644
--- a/src/soc/intel/braswell/acpi.c
+++ b/src/soc/intel/braswell/acpi.c
@@ -405,7 +405,7 @@
 	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/braswell/gfx.c b/src/soc/intel/braswell/gfx.c
index d6671f6..163acb4 100644
--- a/src/soc/intel/braswell/gfx.c
+++ b/src/soc/intel/braswell/gfx.c
@@ -77,7 +77,7 @@
 		gnvs_ptr->aslb = aslb;
 }
 
-static void gma_generate_ssdt(struct device *dev)
+static void gma_generate_ssdt(const struct device *dev)
 {
 	const struct soc_intel_braswell_config *chip = dev->chip_info;
 
diff --git a/src/soc/intel/broadwell/acpi.c b/src/soc/intel/broadwell/acpi.c
index feec61f..503e179 100644
--- a/src/soc/intel/broadwell/acpi.c
+++ b/src/soc/intel/broadwell/acpi.c
@@ -496,7 +496,7 @@
 	acpigen_pop_len();
 }
 
-void generate_cpu_entries(struct device *device)
+void generate_cpu_entries(const struct device *device)
 {
 	int coreID, cpuID, pcontrol_blk = ACPI_BASE_ADDRESS, plen = 6;
 	int totalcores = dev_count_cpu();
diff --git a/src/soc/intel/broadwell/igd.c b/src/soc/intel/broadwell/igd.c
index 6ab9b199..b030d44 100644
--- a/src/soc/intel/broadwell/igd.c
+++ b/src/soc/intel/broadwell/igd.c
@@ -616,7 +616,7 @@
 	return current;
 }
 
-static void gma_generate_ssdt(struct device *dev)
+static void gma_generate_ssdt(const struct device *dev)
 {
 	const struct soc_intel_broadwell_config *chip = dev->chip_info;
 
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index f1c7b8a..995a51d 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -431,7 +431,7 @@
 {
 }
 
-void generate_cpu_entries(struct device *device)
+void generate_cpu_entries(const struct device *device)
 {
 	int core_id, cpu_id, pcontrol_blk = ACPI_BASE_ADDRESS;
 	int plen = 6;
diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c
index a6d45c6..5392958 100644
--- a/src/soc/intel/common/block/graphics/graphics.c
+++ b/src/soc/intel/common/block/graphics/graphics.c
@@ -39,7 +39,7 @@
 	return NULL;
 }
 
-static void gma_generate_ssdt(struct device *device)
+static void gma_generate_ssdt(const struct device *device)
 {
 	const struct i915_gpu_controller_info *gfx = intel_igd_get_controller_info(device);
 
diff --git a/src/soc/intel/common/block/scs/sd.c b/src/soc/intel/common/block/scs/sd.c
index d31e33c..8e44738 100644
--- a/src/soc/intel/common/block/scs/sd.c
+++ b/src/soc/intel/common/block/scs/sd.c
@@ -7,7 +7,7 @@
 #include <intelblocks/sd.h>
 
 #if CONFIG(HAVE_ACPI_TABLES)
-static void sd_fill_ssdt(struct device *dev)
+static void sd_fill_ssdt(const struct device *dev)
 {
 	const char *path;
 	struct acpi_gpio default_gpio = { 0 };
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
index 4879168..aac90c3 100644
--- a/src/soc/intel/skylake/acpi.c
+++ b/src/soc/intel/skylake/acpi.c
@@ -491,7 +491,7 @@
 	acpigen_pop_len();
 }
 
-void generate_cpu_entries(struct device *device)
+void generate_cpu_entries(const struct device *device)
 {
 	int core_id, cpu_id, pcontrol_blk = ACPI_BASE_ADDRESS, plen = 6;
 	int totalcores = dev_count_cpu();
diff --git a/src/soc/intel/xeon_sp/skx/acpi.c b/src/soc/intel/xeon_sp/skx/acpi.c
index 589ee85..8a806be 100644
--- a/src/soc/intel/xeon_sp/skx/acpi.c
+++ b/src/soc/intel/xeon_sp/skx/acpi.c
@@ -200,7 +200,7 @@
 {
 }
 
-void generate_cpu_entries(struct device *device)
+void generate_cpu_entries(const struct device *device)
 {
 	int core_id, cpu_id, pcontrol_blk = ACPI_BASE_ADDRESS;
 	int plen = 6;