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| author | Shaokun Zhang <zhangshaokun@hisilicon.com> | 2019-01-24 15:10:02 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-01-24 15:14:35 +0100 |
| commit | c61a4633a56aaa85bd61645c4188340f8bb2f7f1 (patch) | |
| tree | b6f9b8f2c47167049d53e23e78c91ee15f8c7171 | |
| parent | bd3c2e66e4cb91ed9294b5da920deeb45db0c13a (diff) | |
| download | linux-c61a4633a56aaa85bd61645c4188340f8bb2f7f1.tar.bz2 | |
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>
| -rw-r--r-- | drivers/iommu/dma-iommu.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index d19f3d6b43c1..77aabe637a60 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -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) { |