drivers:usb:common:fsl-dt-fixup: fix return value of fdt_usb_get_node_type

Changes the return type of fdt_usb_get_node_type from char* to int

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

diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c
index 46488dcdcdf54b064763e05fd090f9d0e201110c..6f31932c37c10139e7cb189107163b48a4103227 100644 (file)
--- a/drivers/usb/common/fsl-dt-fixup.c
+++ b/drivers/usb/common/fsl-dt-fixup.c
@@ -26,23 +26,24 @@ static const char * const compat_usb_fsl[] = {
        NULL
 };
 
-static const char *fdt_usb_get_node_type(void *blob, int start_offset,
-                                        int *node_offset)
+static int fdt_usb_get_node_type(void *blob, int start_offset,
+                                int *node_offset, const char **node_type)
 {
-       const char *node_type = NULL;
        int i;
+       int ret = -ENOENT;
 
        for (i = 0; compat_usb_fsl[i]; i++) {
                *node_offset = fdt_node_offset_by_compatible
                                        (blob, start_offset,
                                         compat_usb_fsl[i]);
                if (*node_offset >= 0) {
-                       node_type = compat_usb_fsl[i];
+                       *node_type = compat_usb_fsl[i];
+                       ret = 0;
                        break;
                }
        }
 
-       return node_type;
+       return ret;
 }
 
 static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
@@ -54,9 +55,10 @@ static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
        int node_offset;
        int err;
 
-       node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
-       if (!node_type)
-               return -1;
+       err = fdt_usb_get_node_type(blob, start_offset,
+                                   &node_offset, &node_type);
+       if (err < 0)
+               return err;
 
        if (mode) {
                err = fdt_setprop(blob, node_offset, prop_mode, mode,
@@ -83,9 +85,10 @@ static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
        int node_offset, err;
        const char *node_type = NULL;
 
-       node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
-       if (!node_type)
-               return -1;
+       err = fdt_usb_get_node_type(blob, start_offset,
+                                   &node_offset, &node_type);
+       if (err < 0)
+               return err;
 
        err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0);
        if (err < 0) {