--- via-diag.c.orig	Sat Feb  3 10:14:50 2001
+++ via-diag.c	Sat Feb  3 13:00:47 2001
@@ -150,6 +150,8 @@
 static int get_media_index(const char *name);
 /* Chip-specific options, if any, go here. */
 
+static int try_to_start = 0, try_to_stop = 0;
+
 
 int
 main(int argc, char **argv)
@@ -161,7 +163,7 @@
 	int card_num = 0;
 	extern char *optarg;
 
-	while ((c = getopt_long(argc, argv, "#:aA:DeEfF:G:mp:qrRst:vVwWH:BL:S:",
+	while ((c = getopt_long(argc, argv, "#:aA:DeEfF:G:mp:qrRst:vVwWH:BL:S:Ii",
 							longopts, &longind))
 		   != -1)
 		switch (c) {
@@ -205,6 +207,8 @@
 		case 'B': opt_flash_show++;	break;
 		case 'L': opt_flash_loadfile = optarg;	break;
 		case 'S': opt_flash_dumpfile = optarg;	break;
+		case 'I': try_to_start = 1; try_to_stop = 0; break;
+		case 'i': try_to_start = 0; try_to_stop = 1; break;
 		case '?':
 			errflag++;
 		}
@@ -559,6 +563,25 @@
 			   "Perhaps it is set to ACPI power-off mode.\n"
 			   "To examine this device anyway use the '-f' flag.\n");
 		return 1;
+	}
+
+	/* Experiments with getting the card to stop working ... */
+	if (try_to_stop) {
+		/* This doesn't stop my card :( */
+		for (i=0; i<6; i++)
+			outb(0x00, ioaddr + i);
+		outb(0x01, ioaddr + 0x6c);
+
+		/* this stops things, but ifconfig up/down resets properly */
+		outb(0x80, ioaddr + 0x09);
+	}
+	/* ... and then starting it again */
+	if (try_to_start) {
+		/* we know the PHY is 8 */
+		outb(0x08, ioaddr + 0x6c);
+
+		/* tell the chip to reload from EEPROM */
+		outb(0x20, ioaddr + 0x74);
 	}
 
 	/* Always show the basic status. */