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author | Christoph Hellwig <hch@lst.de> | 2020-09-11 11:04:43 +0200 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2020-10-06 07:07:05 +0200 |
commit | 5db5d93089880c3cc9e83ca8bba68a5502e92dfe (patch) | |
tree | 07065191328222e06d0c826c772ba2477220e7e4 | |
parent | dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h> (diff) | |
download | linux-5db5d93089880c3cc9e83ca8bba68a5502e92dfe.tar.xz linux-5db5d93089880c3cc9e83ca8bba68a5502e92dfe.zip |
dma-mapping: remove <asm/dma-contiguous.h>
Just provide a weak default definition of dma_contiguous_early_fixup and
let arm override it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r-- | arch/arm/include/asm/dma-contiguous.h | 15 | ||||
-rw-r--r-- | arch/arm/mm/dma-mapping.c | 1 | ||||
-rw-r--r-- | include/asm-generic/Kbuild | 1 | ||||
-rw-r--r-- | include/asm-generic/dma-contiguous.h | 10 | ||||
-rw-r--r-- | include/linux/dma-map-ops.h | 2 | ||||
-rw-r--r-- | kernel/dma/contiguous.c | 6 |
6 files changed, 7 insertions, 28 deletions
diff --git a/arch/arm/include/asm/dma-contiguous.h b/arch/arm/include/asm/dma-contiguous.h deleted file mode 100644 index d785187a6f8a..000000000000 --- a/arch/arm/include/asm/dma-contiguous.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef ASMARM_DMA_CONTIGUOUS_H -#define ASMARM_DMA_CONTIGUOUS_H - -#ifdef __KERNEL__ -#ifdef CONFIG_DMA_CMA - -#include <linux/types.h> - -void dma_contiguous_early_fixup(phys_addr_t base, unsigned long size); - -#endif -#endif - -#endif diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 154c24cec94c..911fc6ea2607 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -34,7 +34,6 @@ #include <asm/dma-iommu.h> #include <asm/mach/map.h> #include <asm/system_info.h> -#include <asm/dma-contiguous.h> #include <xen/swiotlb-xen.h> #include "dma.h" diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 74b0612601dd..62ebdc731ee2 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -16,7 +16,6 @@ mandatory-y += current.h mandatory-y += delay.h mandatory-y += device.h mandatory-y += div64.h -mandatory-y += dma-contiguous.h mandatory-y += dma-mapping.h mandatory-y += dma.h mandatory-y += emergency-restart.h diff --git a/include/asm-generic/dma-contiguous.h b/include/asm-generic/dma-contiguous.h deleted file mode 100644 index f24b0f9a4f05..000000000000 --- a/include/asm-generic/dma-contiguous.h +++ /dev/null @@ -1,10 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_GENERIC_DMA_CONTIGUOUS_H -#define _ASM_GENERIC_DMA_CONTIGUOUS_H - -#include <linux/types.h> - -static inline void -dma_contiguous_early_fixup(phys_addr_t base, unsigned long size) { } - -#endif diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 474fc81bd492..7912f5d00ed9 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -116,6 +116,8 @@ bool dma_release_from_contiguous(struct device *dev, struct page *pages, int count); struct page *dma_alloc_contiguous(struct device *dev, size_t size, gfp_t gfp); void dma_free_contiguous(struct device *dev, struct page *page, size_t size); + +void dma_contiguous_early_fixup(phys_addr_t base, unsigned long size); #else /* CONFIG_DMA_CMA */ static inline struct cma *dev_get_cma_area(struct device *dev) { diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index 6bfb763fff6f..a2ee330a3749 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -44,7 +44,6 @@ #endif #include <asm/page.h> -#include <asm/dma-contiguous.h> #include <linux/memblock.h> #include <linux/err.h> @@ -212,6 +211,11 @@ void __init dma_contiguous_reserve(phys_addr_t limit) } } +void __weak +dma_contiguous_early_fixup(phys_addr_t base, unsigned long size) +{ +} + /** * dma_contiguous_reserve_area() - reserve custom contiguous area * @size: Size of the reserved area (in bytes), |