pmen 1553 drivers/iommu/intel-iommu.c u32 pmen; pmen 1560 drivers/iommu/intel-iommu.c pmen = readl(iommu->reg + DMAR_PMEN_REG); pmen 1561 drivers/iommu/intel-iommu.c pmen &= ~DMA_PMEN_EPM; pmen 1562 drivers/iommu/intel-iommu.c writel(pmen, iommu->reg + DMAR_PMEN_REG); pmen 1566 drivers/iommu/intel-iommu.c readl, !(pmen & DMA_PMEN_PRS), pmen);