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/southbridge/intel/common/acpi_pirq_gen.c b/src/southbridge/intel/common/acpi_pirq_gen.c
index d1e0c8bb70..20dafdfd38 100644
--- a/src/southbridge/intel/common/acpi_pirq_gen.c
+++ b/src/southbridge/intel/common/acpi_pirq_gen.c
@@ -71,7 +71,7 @@ static void gen_pirq_route(const enum emit_type emit, const char *lpcb_path,
 	}
 }
 
-void intel_acpi_gen_def_acpi_pirq(struct device *dev)
+void intel_acpi_gen_def_acpi_pirq(const struct device *dev)
 {
 	const char *lpcb_path = acpi_device_path(dev);
 	char pci_int_mapping[32][4];
diff --git a/src/southbridge/intel/common/acpi_pirq_gen.h b/src/southbridge/intel/common/acpi_pirq_gen.h
index dc2cae9847..acb1bcb1ac 100644
--- a/src/southbridge/intel/common/acpi_pirq_gen.h
+++ b/src/southbridge/intel/common/acpi_pirq_gen.h
@@ -24,7 +24,7 @@ enum pirq {
 	PIRQ_H,
 };
 
-void intel_acpi_gen_def_acpi_pirq(struct device *dev);
+void intel_acpi_gen_def_acpi_pirq(const struct device *dev);
 enum pirq intel_common_map_pirq(const struct device *dev,
 				const enum pci_pin pci_pin);