iommu/dma: Remove unused variable
end_pfn is never used after commit <aa3ac9469c18> ('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: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -289,7 +289,7 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
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{
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{
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struct iommu_dma_cookie *cookie = domain->iova_cookie;
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struct iommu_dma_cookie *cookie = domain->iova_cookie;
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struct iova_domain *iovad = &cookie->iovad;
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struct iova_domain *iovad = &cookie->iovad;
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unsigned long order, base_pfn, end_pfn;
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unsigned long order, base_pfn;
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int attr;
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int attr;
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if (!cookie || cookie->type != IOMMU_DMA_IOVA_COOKIE)
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if (!cookie || cookie->type != IOMMU_DMA_IOVA_COOKIE)
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@ -298,7 +298,6 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
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/* Use the smallest supported page size for IOVA granularity */
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/* Use the smallest supported page size for IOVA granularity */
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order = __ffs(domain->pgsize_bitmap);
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order = __ffs(domain->pgsize_bitmap);
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base_pfn = max_t(unsigned long, 1, base >> order);
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base_pfn = max_t(unsigned long, 1, base >> order);
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end_pfn = (base + size - 1) >> order;
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/* Check the domain allows at least some access to the device... */
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/* Check the domain allows at least some access to the device... */
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if (domain->geometry.force_aperture) {
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if (domain->geometry.force_aperture) {
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