Commit c61a4633 authored by Shaokun Zhang's avatar Shaokun Zhang Committed by Joerg Roedel
Browse files

iommu/dma: Remove unused variable 



end_pfn is never used after commit <aa3ac946> ('iommu/iova: Make dma
32bit pfn implicit'), cleanup it.

Cc: Joerg Roedel <jroedel@suse.de>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: default avatarShaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent bd3c2e66

drivers/iommu/dma-iommu.c

+1 −2
Original line number Diff line number Diff line
@@ -289,7 +289,7 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, 
{

	struct iommu_dma_cookie *cookie = domain->iova_cookie;

	struct iova_domain *iovad = &cookie->iovad;

	unsigned long order, base_pfn, end_pfn;

	unsigned long order, base_pfn;

	int attr;



	if (!cookie || cookie->type != IOMMU_DMA_IOVA_COOKIE)
@@ -298,7 +298,6 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, 
	/* Use the smallest supported page size for IOVA granularity */

	order = __ffs(domain->pgsize_bitmap);

	base_pfn = max_t(unsigned long, 1, base >> order);

	end_pfn = (base + size - 1) >> order;



	/* Check the domain allows at least some access to the device... */

	if (domain->geometry.force_aperture) {

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