From 72fd97bf4e75e37552640614a0ea98897fc1dd77 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 21 Nov 2018 18:57:36 +0100
Subject: 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>
---
 arch/arm/include/asm/dma-iommu.h | 2 --
 1 file changed, 2 deletions(-)

(limited to 'arch/arm/include/asm/dma-iommu.h')

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;
-- 
cgit v1.2.3