[U-Boot] [PATCH v5 2/4] drivers:usb:common:fsl-dt-fixup: Remove code duplication for fdt_usb_get_node_type

Sriram Dash
2016-03-22T07:10:10Z

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

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
---
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