We should add status = "disabled" property when USB controller can't
be used (for example when USB pins muxed away to another device).

Also convert whole fdt_fixup_dr_usb() to use more compact routines
from fdt_support.h.

Signed-off-by: Anton Vorontsov <[email protected]>
---
 drivers/usb/fsl_dr_usb.c |   44 +++++++++++++++++---------------------------
 1 files changed, 17 insertions(+), 27 deletions(-)

diff --git a/drivers/usb/fsl_dr_usb.c b/drivers/usb/fsl_dr_usb.c
index af9797f..a646846 100644
--- a/drivers/usb/fsl_dr_usb.c
+++ b/drivers/usb/fsl_dr_usb.c
@@ -10,43 +10,33 @@
  */
 
 #include <common.h>
-#include <libfdt.h>
+#include <fsl_can_use.h>
+#include <fdt_support.h>
 
 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
 {
+       const char *compat = "fsl-usb2-dr";
        char *mode;
        char *type;
-       const char *compat = "fsl-usb2-dr";
-       const char *prop_mode = "dr_mode";
-       const char *prop_type = "phy_type";
-       int node_offset;
-       int err;
+
+       if (!fsl_can_use_dr_usb()) {
+               const char *reason = "disabled";
+
+               do_fixup_by_compat(blob, compat, "status", reason,
+                                  strlen(reason) + 1, 1);
+               return;
+       }
 
        mode = getenv("usb_dr_mode");
        type = getenv("usb_phy_type");
        if (!mode && !type)
                return;
 
-       node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
-       if (node_offset < 0) {
-               printf("WARNING: could not find compatible node %s: %s.\n",
-                       compat, fdt_strerror(node_offset));
-               return;
-       }
+       if (mode)
+               do_fixup_by_compat(blob, compat, "dr_mode", mode,
+                                  strlen(mode) + 1, 1);
 
-       if (mode) {
-               err = fdt_setprop(blob, node_offset, prop_mode, mode,
-                                 strlen(mode) + 1);
-               if (err < 0)
-                       printf("WARNING: could not set %s for %s: %s.\n",
-                              prop_mode, compat, fdt_strerror(err));
-       }
-
-       if (type) {
-               err = fdt_setprop(blob, node_offset, prop_type, type,
-                                 strlen(type) + 1);
-               if (err < 0)
-                       printf("WARNING: could not set %s for %s: %s.\n",
-                              prop_type, compat, fdt_strerror(err));
-       }
+       if (type)
+               do_fixup_by_compat(blob, compat, "type", type,
+                                  strlen(type) + 1, 1);
 }
-- 
1.5.6.5

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