From 4dc6376af596d9b2a46fa9baf94c9f2fa5a3d246 Mon Sep 17 00:00:00 2001 From: Jason Gunthorpe Date: Mon, 23 Jan 2023 16:35:55 -0400 Subject: [PATCH] iommu: Remove iommu_map_atomic() There is only one call site and it can now just pass the GFP_ATOMIC to the normal iommu_map(). Reviewed-by: Kevin Tian Signed-off-by: Jason Gunthorpe Link: https://lore.kernel.org/r/2-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel --- drivers/iommu/dma-iommu.c | 2 +- drivers/iommu/iommu.c | 7 ------- include/linux/iommu.h | 9 --------- 3 files changed, 1 insertion(+), 17 deletions(-) diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 8bdb65e..7016db5 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -713,7 +713,7 @@ static dma_addr_t __iommu_dma_map(struct device *dev, phys_addr_t phys, if (!iova) return DMA_MAPPING_ERROR; - if (iommu_map_atomic(domain, iova, phys - iova_off, size, prot)) { + if (iommu_map(domain, iova, phys - iova_off, size, prot, GFP_ATOMIC)) { iommu_dma_free_iova(cookie, iova, size, NULL); return DMA_MAPPING_ERROR; } diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 4d596b8..19b1c33 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2381,13 +2381,6 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova, } EXPORT_SYMBOL_GPL(iommu_map); -int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, size_t size, int prot) -{ - return iommu_map(domain, iova, paddr, size, prot, GFP_ATOMIC); -} -EXPORT_SYMBOL_GPL(iommu_map_atomic); - static size_t __iommu_unmap_pages(struct iommu_domain *domain, unsigned long iova, size_t size, struct iommu_iotlb_gather *iotlb_gather) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index d202099..521cd79 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -468,8 +468,6 @@ extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev); extern struct iommu_domain *iommu_get_dma_domain(struct device *dev); extern int iommu_map(struct iommu_domain *domain, unsigned long iova, phys_addr_t paddr, size_t size, int prot, gfp_t gfp); -extern int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size); extern size_t iommu_unmap_fast(struct iommu_domain *domain, @@ -778,13 +776,6 @@ static inline int iommu_map(struct iommu_domain *domain, unsigned long iova, return -ENODEV; } -static inline int iommu_map_atomic(struct iommu_domain *domain, - unsigned long iova, phys_addr_t paddr, - size_t size, int prot) -{ - return -ENODEV; -} - static inline size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) { -- 2.7.4