[PATCH v2 15/45] bootstd: Add a way to set up a bootflow

[Simon Glass]

Add a function to init a bootflow, to reduce code duplication.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 boot/bootdev-uclass.c  |  5 +----
 boot/bootflow.c        |  9 +++++++++
 boot/bootmeth-uclass.c |  5 +----
 include/bootflow.h     | 12 ++++++++++++
 4 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/boot/bootdev-uclass.c b/boot/bootdev-uclass.c
index 13ac69eb392..4bde5631c34 100644
--- a/boot/bootdev-uclass.c
+++ b/boot/bootdev-uclass.c
@@ -440,10 +440,7 @@ int bootdev_get_bootflow(struct udevice *dev, struct bootflow_iter *iter,
 
 	if (!ops->get_bootflow)
 		return -ENOSYS;
-	memset(bflow, '\0', sizeof(*bflow));
-	bflow->dev = dev;
-	bflow->method = iter->method;
-	bflow->state = BOOTFLOWST_BASE;
+	bootflow_init(bflow, dev, iter->method);
 
 	return ops->get_bootflow(dev, iter, bflow);
 }
diff --git a/boot/bootflow.c b/boot/bootflow.c
index 5d94a27ff84..f9ad4099244 100644
--- a/boot/bootflow.c
+++ b/boot/bootflow.c
@@ -339,6 +339,15 @@ int bootflow_scan_next(struct bootflow_iter *iter, struct bootflow *bflow)
 	} while (1);
 }
 
+void bootflow_init(struct bootflow *bflow, struct udevice *bootdev,
+		   struct udevice *meth)
+{
+	memset(bflow, '\0', sizeof(*bflow));
+	bflow->dev = bootdev;
+	bflow->method = meth;
+	bflow->state = BOOTFLOWST_BASE;
+}
+
 void bootflow_free(struct bootflow *bflow)
 {
 	free(bflow->name);
diff --git a/boot/bootmeth-uclass.c b/boot/bootmeth-uclass.c
index 2d7652edeab..25552dd96f6 100644
--- a/boot/bootmeth-uclass.c
+++ b/boot/bootmeth-uclass.c
@@ -77,10 +77,7 @@ int bootmeth_get_bootflow(struct udevice *dev, struct bootflow *bflow)
 
 	if (!ops->read_bootflow)
 		return -ENOSYS;
-	memset(bflow, '\0', sizeof(*bflow));
-	bflow->dev = NULL;
-	bflow->method = dev;
-	bflow->state = BOOTFLOWST_BASE;
+	bootflow_init(bflow, NULL, dev);
 
 	return ops->read_bootflow(dev, bflow);
 }
diff --git a/include/bootflow.h b/include/bootflow.h
index 6aa3d1fff8d..32dbbbbe261 100644
--- a/include/bootflow.h
+++ b/include/bootflow.h
@@ -144,6 +144,18 @@ struct bootflow_iter {
 	bool doing_global;
 };
 
+/**
+ * bootflow_init() - Set up a bootflow struct
+ *
+ * The bootflow is zeroed and set to state BOOTFLOWST_BASE
+ *
+ * @bflow: Struct to set up
+ * @bootdev: Bootdev to use
+ * @meth: Bootmeth to use
+ */
+void bootflow_init(struct bootflow *bflow, struct udevice *bootdev,
+		   struct udevice *meth);
+
 /**
  * bootflow_iter_init() - Reset a bootflow iterator
  *
-- 
2.38.0.rc1.362.ged0d419d3c-goog