PRESENT_OPTION
link->config_regs = PRESENT_OPTION;
dev->config_regs = PRESENT_OPTION;
link->config_regs = PRESENT_OPTION;
if (p_dev->config_regs & PRESENT_OPTION) {
link->config_regs = PRESENT_OPTION;
link->config_regs = PRESENT_OPTION;
link->config_regs = PRESENT_OPTION;
link->config_regs = PRESENT_OPTION;
link->config_regs = PRESENT_OPTION;