QSPI_FIFO_STATUS
tegra_qspi_readl(tqspi, QSPI_FIFO_STATUS));
tqspi->status_reg = tegra_qspi_readl(tqspi, QSPI_FIFO_STATUS);
value = tegra_qspi_readl(tqspi, QSPI_FIFO_STATUS);
tegra_qspi_writel(tqspi, QSPI_ERR | QSPI_FIFO_ERROR, QSPI_FIFO_STATUS);
fifo_status = tegra_qspi_readl(tqspi, QSPI_FIFO_STATUS);
fifo_status = tegra_qspi_readl(tqspi, QSPI_FIFO_STATUS);
void __iomem *addr = tqspi->base + QSPI_FIFO_STATUS;
val = tegra_qspi_readl(tqspi, QSPI_FIFO_STATUS);
tegra_qspi_writel(tqspi, val, QSPI_FIFO_STATUS);