[U-Boot] [PATCH v6 2/4] drivers:usb:common:fsl-dt-fixup: Remove code duplication for fdt_usb_get_node_type

[Sriram Dash]

Call fdt_usb_get_node_type() from fdt_fixup_usb_mode_phy_type() to
avoid code duplication.

Signed-off-by: Sriram Dash <sriram.dash at nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
Acked-by: Marek Vasut <marex at denx.de>
---
Changes in v6:
  - no update.
Changes in v5:
  - reorder the functions and gets rid of the forward declaration
Changes in v4:
  - Make minimal modification to code
Changes in v3:
  - Move the duplication of code to new patch

 drivers/usb/common/fsl-dt-fixup.c | 72 ++++++++++++++++-----------------------
 1 file changed, 29 insertions(+), 43 deletions(-)

diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c
index 92adb46..eb13f12 100644
--- a/drivers/usb/common/fsl-dt-fixup.c
+++ b/drivers/usb/common/fsl-dt-fixup.c
@@ -19,33 +19,45 @@
 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
 #endif
 
-static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
-				       const char *phy_type, int start_offset)
+static const char *fdt_usb_get_node_type(void *blob, int start_offset,
+					 int *node_offset)
 {
 	const char *compat_dr = "fsl-usb2-dr";
 	const char *compat_mph = "fsl-usb2-mph";
-	const char *prop_mode = "dr_mode";
-	const char *prop_type = "phy_type";
 	const char *node_type = NULL;
-	int node_offset;
-	int err;
 
-	node_offset = fdt_node_offset_by_compatible(blob,
-						    start_offset, compat_mph);
-	if (node_offset < 0) {
-		node_offset = fdt_node_offset_by_compatible(blob,
-							    start_offset,
-							    compat_dr);
-		if (node_offset < 0) {
-			printf("WARNING: could not find compatible node: %s",
-			       fdt_strerror(node_offset));
-			return -1;
+	*node_offset = fdt_node_offset_by_compatible(blob, start_offset,
+						     compat_mph);
+	if (*node_offset < 0) {
+		*node_offset = fdt_node_offset_by_compatible(blob,
+							     start_offset,
+							     compat_dr);
+		if (*node_offset < 0) {
+			printf("ERROR: could not find compatible node: %s\n",
+			       fdt_strerror(*node_offset));
+		} else {
+			node_type = compat_dr;
 		}
-		node_type = compat_dr;
 	} else {
 		node_type = compat_mph;
 	}
 
+	return node_type;
+}
+
+static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
+				       const char *phy_type, int start_offset)
+{
+	const char *prop_mode = "dr_mode";
+	const char *prop_type = "phy_type";
+	const char *node_type = NULL;
+	int node_offset;
+	int err;
+
+	node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
+	if (!node_type)
+		return -1;
+
 	if (mode) {
 		err = fdt_setprop(blob, node_offset, prop_mode, mode,
 				  strlen(mode) + 1);
@@ -65,32 +77,6 @@ static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
 	return node_offset;
 }
 
-static const char *fdt_usb_get_node_type(void *blob, int start_offset,
-					 int *node_offset)
-{
-	const char *compat_dr = "fsl-usb2-dr";
-	const char *compat_mph = "fsl-usb2-mph";
-	const char *node_type = NULL;
-
-	*node_offset = fdt_node_offset_by_compatible(blob, start_offset,
-						     compat_mph);
-	if (*node_offset < 0) {
-		*node_offset = fdt_node_offset_by_compatible(blob,
-							     start_offset,
-							     compat_dr);
-		if (*node_offset < 0) {
-			printf("ERROR: could not find compatible node: %s\n",
-			       fdt_strerror(*node_offset));
-		} else {
-			node_type = compat_dr;
-		}
-	} else {
-		node_type = compat_mph;
-	}
-
-	return node_type;
-}
-
 static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
 				 int start_offset)
 {
-- 
2.1.0