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Rev 4055 Rev 4537
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    prop = ofw_tree_getprop(node, "reg");
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    prop = ofw_tree_getprop(node, "reg");
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    if (!prop || !prop->value)
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    if (!prop || !prop->value)
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        return NULL;
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        return NULL;
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    count_t regs = prop->size / sizeof(ofw_central_reg_t);
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    size_t regs = prop->size / sizeof(ofw_central_reg_t);
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    if (regs + 1 < UART_IMAP_REG)
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    if (regs + 1 < UART_IMAP_REG)
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        return NULL;
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        return NULL;
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    ofw_central_reg_t *reg = &((ofw_central_reg_t *) prop->value)[UART_IMAP_REG];
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    ofw_central_reg_t *reg = &((ofw_central_reg_t *) prop->value)[UART_IMAP_REG];
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