QUADSPI_MCR
reg = qspi_readl(q, q->iobase + QUADSPI_MCR);
qspi_writel(q, reg, q->iobase + QUADSPI_MCR);
qspi_writel(q, reg, q->iobase + QUADSPI_MCR);
qspi_writel(q, qspi_readl(q, base + QUADSPI_MCR) |
base + QUADSPI_MCR);
base + QUADSPI_MCR);
base + QUADSPI_MCR);
base + QUADSPI_MCR);
qspi_writel(q, QUADSPI_MCR_MDIS_MASK, q->iobase + QUADSPI_MCR);