NDSR
ndsr = readl_relaxed(nfc->regs + NDSR);
writel_relaxed(ndsr, nfc->regs + NDSR);
writel_relaxed(ndsr, nfc->regs + NDSR);
writel_relaxed(0xFFFFFFFF, nfc->regs + NDSR);
reg = readl_relaxed(nfc->regs + NDSR);
writel_relaxed(int_mask, nfc->regs + NDSR);
writel_relaxed(readl(nfc->regs + NDSR), nfc->regs + NDSR);
ret = readl_relaxed_poll_timeout(nfc->regs + NDSR, val,
writel_relaxed(NDSR_WRCMDREQ, nfc->regs + NDSR);
ret = readl_relaxed_poll_timeout(nfc->regs + NDSR, val,
writel_relaxed(flag, nfc->regs + NDSR);
st = readl_relaxed(nfc->regs + NDSR);
u32 st = readl_relaxed(nfc->regs + NDSR);