Re: [PATCH] iommu/dma: Remove unused variable

[Joerg Roedel]

On Thu, Jan 24, 2019 at 03:10:02PM +0800, Shaokun Zhang wrote:
>  drivers/iommu/dma-iommu.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Applied, thanks.

[PATCH] iommu/dma: Remove unused variable

[Shaokun Zhang]

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 = >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