UARTSR
while (((status = readl(sport->membase + UARTSR)) &
writel(status | LINFLEXD_UARTSR_DTFTFF, sport->membase + UARTSR);
status = readl(sport->membase + UARTSR);
writel(status, sport->membase + UARTSR);
status = readl(sport->membase + UARTSR);
status = readl(sport->membase + UARTSR);
status = readl(port->membase + UARTSR) & LINFLEXD_UARTSR_DTFTFF;
while ((readl(port->membase + UARTSR) &
while (readl(port->membase + UARTSR) &
writel((readl(port->membase + UARTSR) |
port->membase + UARTSR);