Re: [PATCH 11/11] arm64: use asm-generic/dma-mapping.h

---
 arch/arm64/include/asm/Kbuild        |  1 +
 arch/arm64/include/asm/dma-mapping.h | 22 ----------------------
 arch/arm64/mm/dma-mapping.c          |  1 +
 3 files changed, 2 insertions(+), 22 deletions(-)
 delete mode 100644 arch/arm64/include/asm/dma-mapping.h

diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index c52e151afab0..98a5405c8558 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild

@@ -4,6 +4,7 @@ generic-y += delay.h
 generic-y += div64.h
 generic-y += dma.h
 generic-y += dma-contiguous.h
+generic-y += dma-mapping.h
 generic-y += early_ioremap.h
 generic-y += emergency-restart.h
 generic-y += hw_irq.h

diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
deleted file mode 100644
index 67243255a858..000000000000
--- a/arch/arm64/include/asm/dma-mapping.h
+++ /dev/null

@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2012 ARM Ltd.
- */
-#ifndef __ASM_DMA_MAPPING_H
-#define __ASM_DMA_MAPPING_H
-
-#ifdef __KERNEL__
-
-#include <linux/types.h>
-#include <linux/vmalloc.h>
-
-#include <xen/xen.h>
-#include <asm/xen/hypervisor.h>
-
-static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
-{
-	return NULL;
-}
-
-#endif	/* __KERNEL__ */
-#endif	/* __ASM_DMA_MAPPING_H */

diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 4b244a037349..6578abcfbbc7 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c

@@ -8,6 +8,7 @@
 #include <linux/cache.h>
 #include <linux/dma-noncoherent.h>
 #include <linux/dma-iommu.h>
+#include <xen/xen.h>
 #include <xen/swiotlb-xen.h>
 
 #include <asm/cacheflush.h>

-- 
2.20.1