NDCR_ECC_EN
if (!(ndcr & NDCR_ECC_EN)) {
writel_relaxed(ndcr | NDCR_ECC_EN, nfc->regs + NDCR);
if (ndcr & NDCR_ECC_EN) {
writel_relaxed(ndcr & ~NDCR_ECC_EN, nfc->regs + NDCR);