From f6a4344c5b41c30bd918371796962bce29872676 Mon Sep 17 00:00:00 2001
From: Nico Huber <nico.huber@secunet.com>
Date: Tue, 15 May 2018 14:13:32 +0200
Subject: [PATCH] device: Move dev_find_path() to device_const.c
MIME-Version: 1.0
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Make it available early and use it in dev_find_next_pci_device().

Change-Id: I1d0ad07f37ea79dae2b9a592fcccba5e03fd86d5
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/26294
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
---
 src/device/device_const.c   | 41 +++++++++++++++++++++++++------------
 src/device/device_util.c    | 27 ------------------------
 src/include/device/device.h |  5 +++--
 3 files changed, 31 insertions(+), 42 deletions(-)

diff --git a/src/device/device_const.c b/src/device/device_const.c
index 2cacb4a9ac..084d2ac385 100644
--- a/src/device/device_const.c
+++ b/src/device/device_const.c
@@ -50,6 +50,33 @@ DEVTREE_CONST struct device *dev_find_slot(unsigned int bus,
 	return result;
 }
 
+/**
+ * Given a Device Path Type, find the device structure.
+ *
+ * @param prev_match The previously matched device instance.
+ * @param path_type The Device Path Type.
+ * @return Pointer to the device structure (if found), 0 otherwise.
+ */
+DEVTREE_CONST struct device *dev_find_path(
+		DEVTREE_CONST struct device *prev_match,
+		enum device_path_type path_type)
+{
+	DEVTREE_CONST struct device *dev, *result = NULL;
+
+	if (prev_match == NULL)
+		prev_match = all_devices;
+	else
+		prev_match = prev_match->next;
+
+	for (dev = prev_match; dev; dev = dev->next) {
+		if (dev->path.type == path_type) {
+			result = dev;
+			break;
+		}
+	}
+	return result;
+}
+
 /**
  * Given a device pointer, find the next PCI device.
  *
@@ -59,19 +86,7 @@ DEVTREE_CONST struct device *dev_find_slot(unsigned int bus,
 DEVTREE_CONST struct device *dev_find_next_pci_device(
 		DEVTREE_CONST struct device *previous_dev)
 {
-	DEVTREE_CONST struct device *dev, *result;
-
-	if (previous_dev == NULL)
-		previous_dev = all_devices;
-
-	result = 0;
-	for (dev = previous_dev->next; dev; dev = dev->next) {
-		if (dev->path.type == DEVICE_PATH_PCI) {
-			result = dev;
-			break;
-		}
-	}
-	return result;
+	return dev_find_path(previous_dev, DEVICE_PATH_PCI);
 }
 
 /**
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 3315e480fc..4275d6e256 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -64,33 +64,6 @@ struct device *dev_find_lapic(unsigned apic_id)
 	return result;
 }
 
-/**
- * Given a Device Path Type, find the device structure.
- *
- * @param prev_match The previously matched device instance.
- * @param path_type The Device Path Type.
- * @return Pointer to the device structure (if found), 0 otherwise.
- */
-struct device *dev_find_path(struct device *prev_match,
-			     enum device_path_type path_type)
-{
-	struct device *dev;
-	struct device *result = NULL;
-
-	if (prev_match == NULL)
-		prev_match = all_devices;
-	else
-		prev_match = prev_match->next;
-
-	for (dev = prev_match; dev; dev = dev->next) {
-		if (dev->path.type == path_type) {
-			result = dev;
-			break;
-		}
-	}
-	return result;
-}
-
 /**
  * Find a device of a given vendor and type.
  *
diff --git a/src/include/device/device.h b/src/include/device/device.h
index f3afd60b2c..e1b4a99cca 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -200,8 +200,9 @@ struct device *find_dev_path(struct bus *parent, struct device_path *path);
 struct device *alloc_find_dev(struct bus *parent, struct device_path *path);
 struct device *dev_find_device(u16 vendor, u16 device, struct device *from);
 struct device *dev_find_class(unsigned int class, struct device *from);
-struct device *dev_find_path(struct device *prev_match,
-				enum device_path_type path_type);
+DEVTREE_CONST struct device *dev_find_path(
+		DEVTREE_CONST struct device *prev_match,
+		enum device_path_type path_type);
 struct device *dev_find_lapic(unsigned int apic_id);
 int dev_count_cpu(void);