add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/macintosh/adb.c
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@@ -163,7 +163,7 @@
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 			 * See if anybody actually moved. This is suggested
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 			 * by HW TechNote 01:
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 			 *
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-			 * http://developer.apple.com/technotes/hw/hw_01.html
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+			 * https://developer.apple.com/technotes/hw/hw_01.html
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 			 */
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 			adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
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 				    (highFree << 4) | 0xf);
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@@ -203,15 +203,15 @@
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 	}
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 	/* Now fill in the handler_id field of the adb_handler entries. */
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-	pr_debug("adb devices:\n");
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 	for (i = 1; i < 16; i++) {
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 		if (adb_handler[i].original_address == 0)
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 			continue;
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 		adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
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 			    (i << 4) | 0xf);
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 		adb_handler[i].handler_id = req.reply[2];
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-		pr_debug(" [%d]: %d %x\n", i, adb_handler[i].original_address,
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-			 adb_handler[i].handler_id);
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+		printk(KERN_DEBUG "adb device [%d]: %d 0x%X\n", i,
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+		       adb_handler[i].original_address,
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+		       adb_handler[i].handler_id);
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 		devmask |= 1 << i;
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 	}
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 	return devmask;
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@@ -579,6 +579,8 @@
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 	mutex_lock(&adb_handler_mutex);
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 	ret = try_handler_change(address, new_id);
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 	mutex_unlock(&adb_handler_mutex);
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+	if (ret)
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+		pr_debug("adb handler change: [%d] 0x%X\n", address, new_id);
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 	return ret;
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 }
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 EXPORT_SYMBOL(adb_try_handler_change);
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@@ -645,7 +647,7 @@
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 	switch(req->data[1]) {
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 	case ADB_QUERY_GETDEVINFO:
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-		if (req->nbytes < 3)
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+		if (req->nbytes < 3 || req->data[2] >= 16)
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 			break;
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 		mutex_lock(&adb_handler_mutex);
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 		req->reply[0] = adb_handler[req->data[2]].original_address;