[coreboot-gerrit] Change in coreboot[master]: devicetree: Add method to delete property by name
Patrick Rudolph (Code Review)
gerrit at coreboot.org
Wed May 30 15:09:40 CEST 2018
Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/26693
Change subject: devicetree: Add method to delete property by name
......................................................................
devicetree: Add method to delete property by name
Change-Id: I7c58a2411206bca62d0e96fa627530e937383ac9
Signed-off-by: Patrick Rudolph <patrick.rudolph at 9elements.com>
---
M src/include/device_tree.h
M src/lib/device_tree.c
2 files changed, 22 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/26693/1
diff --git a/src/include/device_tree.h b/src/include/device_tree.h
index 107fcf6..8433ddf 100644
--- a/src/include/device_tree.h
+++ b/src/include/device_tree.h
@@ -149,6 +149,8 @@
void *data, size_t size);
// Write src into *dest as a 'length'-byte big-endian integer.
void dt_write_int(u8 *dest, u64 src, size_t length);
+// Delete a property
+void dt_delete_prop(struct device_tree_node *node, const char *name);
// Add different kinds of properties to a node, or update existing ones.
void dt_add_bin_prop(struct device_tree_node *node, const char *name, void *data,
size_t size);
diff --git a/src/lib/device_tree.c b/src/lib/device_tree.c
index 0a88c1f..5edd729 100644
--- a/src/lib/device_tree.c
+++ b/src/lib/device_tree.c
@@ -748,6 +748,26 @@
* @param data The raw data blob to be stored in the property.
* @param size The size of data in bytes.
*/
+void dt_delete_prop(struct device_tree_node *node, const char *name)
+{
+ struct device_tree_property *prop;
+
+ list_for_each(prop, node->properties, list_node) {
+ if (!strcmp(prop->prop.name, name)) {
+ list_remove(&prop->list_node);
+ return;
+ }
+ }
+}
+
+/*
+ * Add an arbitrary property to a node, or update it if it already exists.
+ *
+ * @param node The device tree node to add to.
+ * @param name The name of the new property.
+ * @param data The raw data blob to be stored in the property.
+ * @param size The size of data in bytes.
+ */
void dt_add_bin_prop(struct device_tree_node *node, const char *name,
void *data, size_t size)
{
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I7c58a2411206bca62d0e96fa627530e937383ac9
Gerrit-Change-Number: 26693
Gerrit-PatchSet: 1
Gerrit-Owner: Patrick Rudolph <patrick.rudolph at 9elements.com>
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