HelenOS sources

NS8250_MSR_SIGNALS  388 uspace/drv/char/ns8250/ns8250.c 	if (pio_read_8(&ns->regs->msr) & NS8250_MSR_SIGNALS)
NS8250_MSR_SIGNALS  392 uspace/drv/char/ns8250/ns8250.c 	if ((pio_read_8(&ns->regs->msr) & NS8250_MSR_SIGNALS) !=
NS8250_MSR_SIGNALS  393 uspace/drv/char/ns8250/ns8250.c 	    NS8250_MSR_SIGNALS)