From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shaokun Zhang Subject: [PATCH] iommu/dma: Remove unused variable Date: Thu, 24 Jan 2019 15:10:02 +0800 Message-ID: <1548313802-64412-1-git-send-email-zhangshaokun@hisilicon.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Shaokun Zhang , Joerg Roedel , Robin Murphy , Zhen Lei List-Id: iommu@lists.linux-foundation.org end_pfn is never used after commit ('iommu/iova: Make dma 32bit pfn implicit'), cleanup it. Cc: Joerg Roedel Cc: Robin Murphy Cc: Zhen Lei Signed-off-by: Shaokun Zhang --- drivers/iommu/dma-iommu.c | 3 +-- 1 file changed, 1 insertion(+), 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) { -- 2.7.4