MSTR_INT_EN
writel(ints, ctrl->base + MSTR_INT_EN);
writel(0, ctrl->base + MSTR_INT_EN);
writel(DMA_CHAIN_DONE, ctrl->base + MSTR_INT_EN);
int_status &= readl(ctrl->base + MSTR_INT_EN);
writel(0, ctrl->base + MSTR_INT_EN);
writel(0, ctrl->base + MSTR_INT_EN);