iommu: remove DOMAIN_ATTR_PAGING

DOMAIN_ATTR_PAGING is never used.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Li Yang <leoyang.li@nxp.com>
Link: https://lore.kernel.org/r/20210401155256.298656-15-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 33bc0f8..93b3c20 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2668,7 +2668,6 @@ int iommu_domain_get_attr(struct iommu_domain *domain,
                          enum iommu_attr attr, void *data)
 {
        struct iommu_domain_geometry *geometry;
-       bool *paging;
        int ret = 0;
 
        switch (attr) {
@@ -2677,10 +2676,6 @@ int iommu_domain_get_attr(struct iommu_domain *domain,
                *geometry = domain->geometry;
 
                break;
-       case DOMAIN_ATTR_PAGING:
-               paging  = data;
-               *paging = (domain->pgsize_bitmap != 0UL);
-               break;
        default:
                if (!domain->ops->domain_get_attr)
                        return -EINVAL;

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index f5caaa8..85b5108 100644 (file)
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -108,7 +108,6 @@ enum iommu_cap {
 
 enum iommu_attr {
        DOMAIN_ATTR_GEOMETRY,
-       DOMAIN_ATTR_PAGING,
        DOMAIN_ATTR_NESTING,    /* two stages of translation */
        DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
        DOMAIN_ATTR_IO_PGTABLE_CFG,