IMX7ULP_SR
writel(SR_CLEAR_MASK, fsl_lpspi->base + IMX7ULP_SR);
writel(SR_CLEAR_MASK, fsl_lpspi->base + IMX7ULP_SR);
temp_SR = readl(fsl_lpspi->base + IMX7ULP_SR);
writel(SR_FCF, fsl_lpspi->base + IMX7ULP_SR);
writel(SR_FCF, fsl_lpspi->base + IMX7ULP_SR);