device: Constify struct device * parameter to write_acpi_tables

.write_acpi_tables() should not be updating the device structure. This
change makes the struct device * argument to it as const.

Change-Id: I50d013e83a404e0a0e3837ca16fa75c7eaa0e14a
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40701
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

15 files changed, 21 insertions, 15 deletions

diff --git a/src/northbridge/intel/gm45/acpi.c b/src/northbridge/intel/gm45/acpi.c
index 582771298b..bdd0ed0822 100644
--- a/src/northbridge/intel/gm45/acpi.c
+++ b/src/northbridge/intel/gm45/acpi.c
@@ -96,7 +96,7 @@ static unsigned long acpi_fill_dmar(unsigned long current)
 	return current;
 }
 
-unsigned long northbridge_write_acpi_tables(struct device *device,
+unsigned long northbridge_write_acpi_tables(const struct device *device,
 					    unsigned long start,
 					    struct acpi_rsdp *rsdp)
 {
diff --git a/src/northbridge/intel/gm45/gm45.h b/src/northbridge/intel/gm45/gm45.h
index ed92a59257..423a8f25eb 100644
--- a/src/northbridge/intel/gm45/gm45.h
+++ b/src/northbridge/intel/gm45/gm45.h
@@ -438,7 +438,8 @@ u16 get_blc_pwm_freq_value(const char *edid_ascii_string);
 #include <device/device.h>
 
 struct acpi_rsdp;
-unsigned long northbridge_write_acpi_tables(struct device *device, unsigned long start, struct acpi_rsdp *rsdp);
+unsigned long northbridge_write_acpi_tables(const struct device *device, unsigned long start,
+						struct acpi_rsdp *rsdp);
 
 #endif /* !__ACPI__ */
 #endif /* __NORTHBRIDGE_INTEL_GM45_GM45_H__ */
diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c
index 25f7518ff8..93191148e8 100644
--- a/src/northbridge/intel/gm45/gma.c
+++ b/src/northbridge/intel/gm45/gma.c
@@ -216,7 +216,7 @@ static void gma_generate_ssdt(struct device *device)
 }
 
 static unsigned long
-gma_write_acpi_tables(struct device *const dev,
+gma_write_acpi_tables(const struct device *const dev,
 		      unsigned long current,
 		      struct acpi_rsdp *const rsdp)
 {
diff --git a/src/northbridge/intel/haswell/acpi.c b/src/northbridge/intel/haswell/acpi.c
index aa75e20bc1..f4d9d65421 100644
--- a/src/northbridge/intel/haswell/acpi.c
+++ b/src/northbridge/intel/haswell/acpi.c
@@ -93,7 +93,8 @@ static unsigned long acpi_fill_dmar(unsigned long current)
 	return current;
 }
 
-unsigned long northbridge_write_acpi_tables(struct device *const dev, unsigned long current,
+unsigned long northbridge_write_acpi_tables(const struct device *const dev,
+					    unsigned long current,
 					    struct acpi_rsdp *const rsdp)
 {
 	/* Create DMAR table only if we have VT-d capability. */
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index c6b8fab65a..1014ce527c 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -520,7 +520,8 @@ static void gma_generate_ssdt(struct device *dev)
 	drivers_intel_gma_displays_ssdt_generate(&chip->gfx);
 }
 
-static unsigned long gma_write_acpi_tables(struct device *const dev, unsigned long current,
+static unsigned long gma_write_acpi_tables(const struct device *const dev,
+					   unsigned long current,
 					   struct acpi_rsdp *const rsdp)
 {
 	igd_opregion_t *opregion = (igd_opregion_t *)current;
diff --git a/src/northbridge/intel/haswell/haswell.h b/src/northbridge/intel/haswell/haswell.h
index d5f7b32be5..32ac7c3db4 100644
--- a/src/northbridge/intel/haswell/haswell.h
+++ b/src/northbridge/intel/haswell/haswell.h
@@ -200,7 +200,7 @@ void report_platform_info(void);
 #include <device/device.h>
 
 struct acpi_rsdp;
-unsigned long northbridge_write_acpi_tables(struct device *device, unsigned long start,
+unsigned long northbridge_write_acpi_tables(const struct device *device, unsigned long start,
 					    struct acpi_rsdp *rsdp);
 
 #endif /* __ASSEMBLER__ */
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c
index 8a19b3e8de..98b8e8a45a 100644
--- a/src/northbridge/intel/i945/gma.c
+++ b/src/northbridge/intel/i945/gma.c
@@ -765,7 +765,7 @@ static void gma_func0_read_resources(struct device *dev)
 }
 
 static unsigned long
-gma_write_acpi_tables(struct device *const dev,
+gma_write_acpi_tables(const struct device *const dev,
 		      unsigned long current,
 		      struct acpi_rsdp *const rsdp)
 {
diff --git a/src/northbridge/intel/ironlake/gma.c b/src/northbridge/intel/ironlake/gma.c
index c8bbbfd00e..d0f6bde948 100644
--- a/src/northbridge/intel/ironlake/gma.c
+++ b/src/northbridge/intel/ironlake/gma.c
@@ -211,7 +211,7 @@ static void gma_generate_ssdt(struct device *device)
 }
 
 static unsigned long
-gma_write_acpi_tables(struct device *const dev,
+gma_write_acpi_tables(const struct device *const dev,
 		      unsigned long current,
 		      struct acpi_rsdp *const rsdp)
 {
diff --git a/src/northbridge/intel/pineview/gma.c b/src/northbridge/intel/pineview/gma.c
index d398b55347..7d6b51d93a 100644
--- a/src/northbridge/intel/pineview/gma.c
+++ b/src/northbridge/intel/pineview/gma.c
@@ -278,7 +278,8 @@ static void gma_func0_init(struct device *dev)
 	intel_gma_restore_opregion();
 }
 
-static unsigned long gma_write_acpi_tables(struct device *const dev, unsigned long current,
+static unsigned long gma_write_acpi_tables(const struct device *const dev,
+					   unsigned long current,
 					   struct acpi_rsdp *const rsdp)
 {
 	igd_opregion_t *opregion = (igd_opregion_t *)current;
diff --git a/src/northbridge/intel/sandybridge/acpi.c b/src/northbridge/intel/sandybridge/acpi.c
index 9fd13e62b6..77aa8149da 100644
--- a/src/northbridge/intel/sandybridge/acpi.c
+++ b/src/northbridge/intel/sandybridge/acpi.c
@@ -108,7 +108,8 @@ static unsigned long acpi_fill_dmar(unsigned long current)
 	return current;
 }
 
-unsigned long northbridge_write_acpi_tables(struct device *const dev, unsigned long current,
+unsigned long northbridge_write_acpi_tables(const struct device *const dev,
+					    unsigned long current,
 					    struct acpi_rsdp *const rsdp)
 {
 	const u32 capid0_a = pci_read_config32(dev, CAPID0_A);
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 5c4f548f99..ad94e067c4 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -647,7 +647,8 @@ static void gma_generate_ssdt(struct device *device)
 	drivers_intel_gma_displays_ssdt_generate(&chip->gfx);
 }
 
-static unsigned long gma_write_acpi_tables(struct device *const dev, unsigned long current,
+static unsigned long gma_write_acpi_tables(const struct device *const dev,
+					   unsigned long current,
 					   struct acpi_rsdp *const rsdp)
 {
 	igd_opregion_t *opregion = (igd_opregion_t *)current;
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 02d2e1384a..0b29e1705e 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -231,7 +231,7 @@ enum platform_type get_platform_type(void);
 #include <device/device.h>
 
 struct acpi_rsdp;
-unsigned long northbridge_write_acpi_tables(struct device *device, unsigned long start,
+unsigned long northbridge_write_acpi_tables(const struct device *device, unsigned long start,
 					    struct acpi_rsdp *rsdp);
 
 #endif
diff --git a/src/northbridge/intel/x4x/acpi.c b/src/northbridge/intel/x4x/acpi.c
index 6da2fd0d54..fb1ebab753 100644
--- a/src/northbridge/intel/x4x/acpi.c
+++ b/src/northbridge/intel/x4x/acpi.c
@@ -22,7 +22,7 @@ unsigned long acpi_fill_mcfg(unsigned long current)
 	return current;
 }
 
-unsigned long northbridge_write_acpi_tables(struct device *device,
+unsigned long northbridge_write_acpi_tables(const struct device *device,
 					    unsigned long start,
 					    struct acpi_rsdp *rsdp)
 {
diff --git a/src/northbridge/intel/x4x/gma.c b/src/northbridge/intel/x4x/gma.c
index f5335eccb0..c1b7837f0d 100644
--- a/src/northbridge/intel/x4x/gma.c
+++ b/src/northbridge/intel/x4x/gma.c
@@ -88,7 +88,7 @@ static void gma_generate_ssdt(struct device *device)
 }
 
 static unsigned long
-gma_write_acpi_tables(struct device *const dev,
+gma_write_acpi_tables(const struct device *const dev,
 		      unsigned long current,
 		      struct acpi_rsdp *const rsdp)
 {
diff --git a/src/northbridge/intel/x4x/x4x.h b/src/northbridge/intel/x4x/x4x.h
index d6d72f436d..23db61bf76 100644
--- a/src/northbridge/intel/x4x/x4x.h
+++ b/src/northbridge/intel/x4x/x4x.h
@@ -403,7 +403,7 @@ extern const u16 ddr3_c2_x23c[3][6];
 
 #include <device/device.h>
 struct acpi_rsdp;
-unsigned long northbridge_write_acpi_tables(struct device *device,
+unsigned long northbridge_write_acpi_tables(const struct device *device,
 		unsigned long start, struct acpi_rsdp *rsdp);
 
 #endif /* __NORTHBRIDGE_INTEL_X4X_H__ */