* Patch by Bernhard Kuhn, 28 Nov 2003:

[oweals/u-boot.git] / common / cmd_mii.c

diff --git a/common/cmd_mii.c b/common/cmd_mii.c
index 18fad1e34ffc8cad67496e7086750042f76b083a..94874ddfe0bb16182047f34c729a3dd093293bf6 100644 (file)
--- a/common/cmd_mii.c
+++ b/common/cmd_mii.c
@@ -81,7 +81,7 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
         * check info/read/write.
         */
        if (op == 'i') {
-               int j;
+               unsigned char j, start, end;
                unsigned int oui;
                unsigned char model;
                unsigned char rev;
@@ -89,7 +89,13 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
                /*
                 * Look for any and all PHYs.  Valid addresses are 0..31.
                 */
-               for (j = 0; j < 32; j++) {
+               if (argc >= 3) {
+                       start = addr; end = addr + 1;
+               } else {
+                       start = 0; end = 32;
+               }
+
+               for (j = start; j < end; j++) {
                        if (miiphy_info (j, &oui, &model, &rev) == 0) {
                                printf ("PHY 0x%02X: "
                                        "OUI = 0x%04X, "