device: constify some variables

Change-Id: I6830a65bc9cea2907f4209bb97a53ccebcbf248d
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-on: https://review.coreboot.org/25873
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, 15 insertions, 15 deletions

diff --git a/src/device/device.c b/src/device/device.c
index 4c6b6f94a9..b896f5e683 100644
--- a/src/device/device.c
+++ b/src/device/device.c
@@ -66,7 +66,7 @@ struct resource *free_resources = NULL;
  */
 void dev_initialize_chips(void)
 {
-	struct device *dev;
+	const struct device *dev;
 
 	for (dev = all_devices; dev; dev = dev->next) {
 		/* Initialize chip if we haven't yet. */
@@ -88,7 +88,7 @@ void dev_initialize_chips(void)
  */
 void dev_finalize_chips(void)
 {
-	struct device *dev;
+	const struct device *dev;
 
 	for (dev = all_devices; dev; dev = dev->next) {
 		/* Initialize chip if we haven't yet. */
@@ -247,7 +247,7 @@ static void read_resources(struct bus *bus)
 
 struct pick_largest_state {
 	struct resource *last;
-	struct device *result_dev;
+	const struct device *result_dev;
 	struct resource *result;
 	int seen_last;
 };
@@ -283,7 +283,7 @@ static void pick_largest_resource(void *gp, struct device *dev,
 	}
 }
 
-static struct device *largest_resource(struct bus *bus,
+static const struct device *largest_resource(struct bus *bus,
 				       struct resource **result_res,
 				       unsigned long type_mask,
 				       unsigned long type)
@@ -338,7 +338,7 @@ static struct device *largest_resource(struct bus *bus,
 static void compute_resources(struct bus *bus, struct resource *bridge,
 			      unsigned long type_mask, unsigned long type)
 {
-	struct device *dev;
+	const struct device *dev;
 	struct resource *resource;
 	resource_t base;
 	base = round(bridge->base, bridge->align);
@@ -482,7 +482,7 @@ static void compute_resources(struct bus *bus, struct resource *bridge,
 static void allocate_resources(struct bus *bus, struct resource *bridge,
 			       unsigned long type_mask, unsigned long type)
 {
-	struct device *dev;
+	const struct device *dev;
 	struct resource *resource;
 	resource_t base;
 	base = bridge->base;
@@ -640,9 +640,9 @@ static struct resource * resource_limit(struct constraints *limits, struct resou
 	return lim;
 }
 
-static void constrain_resources(struct device *dev, struct constraints* limits)
+static void constrain_resources(const struct device *dev, struct constraints* limits)
 {
-	struct device *child;
+	const struct device *child;
 	struct resource *res;
 	struct resource *lim;
 	struct bus *link;
@@ -696,7 +696,7 @@ static void constrain_resources(struct device *dev, struct constraints* limits)
 	}
 }
 
-static void avoid_fixed_resources(struct device *dev)
+static void avoid_fixed_resources(const struct device *dev)
 {
 	struct constraints limits;
 	struct resource *res;
@@ -1019,8 +1019,8 @@ void dev_enumerate(void)
 void dev_configure(void)
 {
 	struct resource *res;
-	struct device *root;
-	struct device *child;
+	const struct device *root;
+	const struct device *child;
 
 	set_vga_bridge_bits();
 
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 6bc2730143..3d7f5a154a 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -269,7 +269,7 @@ u32 dev_path_encode(struct device *dev)
  * Warning: This function uses a static buffer. Don't call it more than once
  * from the same print statement!
  */
-const char *dev_path(struct device *dev)
+const char *dev_path(const struct device *dev)
 {
 	static char buffer[DEVICE_PATH_MAX];
 
@@ -814,7 +814,7 @@ bool dev_is_active_bridge(struct device *dev)
 	return 0;
 }
 
-static void resource_tree(struct device *root, int debug_level, int depth)
+static void resource_tree(const struct device *root, int debug_level, int depth)
 {
 	int i = 0;
 	struct device *child;
@@ -846,7 +846,7 @@ static void resource_tree(struct device *root, int debug_level, int depth)
 	}
 }
 
-void print_resource_tree(struct device *root, int debug_level, const char *msg)
+void print_resource_tree(const struct device *root, int debug_level, const char *msg)
 {
 	/* Bail if root is null. */
 	if (!root) {
@@ -862,7 +862,7 @@ void print_resource_tree(struct device *root, int debug_level, const char *msg)
 	resource_tree(root, debug_level, 0);
 }
 
-void show_devs_tree(struct device *dev, int debug_level, int depth)
+void show_devs_tree(const struct device *dev, int debug_level, int depth)
 {
 	char depth_str[20];
 	int i;