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authorChristoph Hellwig <hch@lst.de>2018-11-21 18:57:36 +0100
committerChristoph Hellwig <hch@lst.de>2018-12-06 06:56:37 -0800
commit72fd97bf4e75e37552640614a0ea98897fc1dd77 (patch)
tree7ee914059ad82d75ea482e5584134189ce61950e /arch/arm/include/asm/dma-iommu.h
parentb0cbeae4944924640bf550b75487729a20204c14 (diff)
arm: remove the mapping_error dma_map_ops method
Arm already returns (~(dma_addr_t)0x0) on mapping failures, so we can switch over to returning DMA_MAPPING_ERROR and let the core dma-mapping code handle the rest. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm/include/asm/dma-iommu.h')
-rw-r--r--arch/arm/include/asm/dma-iommu.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index 6821f1249300..772f48ef84b7 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -9,8 +9,6 @@
#include <linux/dma-debug.h>
#include <linux/kref.h>
-#define ARM_MAPPING_ERROR (~(dma_addr_t)0x0)
-
struct dma_iommu_mapping {
/* iommu specific data */
struct iommu_domain *domain;