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Message-Id: <1249448908-18985-6-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 5 Aug 2009 14:08:26 +0900
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To: linuxppc-dev@...ts.ozlabs.org, benh@...nel.crashing.org
Cc: galak@...nel.crashing.orga, beckyb@...nel.crashing.org,
linux-kernel@...r.kernel.org, mingo@...e.hu,
fujita.tomonori@....ntt.co.jp
Subject: [PATCH -v2 5/7] powerpc: use asm-generic/dma-mapping-common.h
Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Acked-by: Becky Bruce <beckyb@...nel.crashing.org>
---
arch/powerpc/Kconfig | 6 +-
arch/powerpc/include/asm/dma-mapping.h | 242 +-------------------------------
2 files changed, 7 insertions(+), 241 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index d00131c..fb3f4ff 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -120,7 +120,7 @@ config PPC
select HAVE_KRETPROBES
select HAVE_ARCH_TRACEHOOK
select HAVE_LMB
- select HAVE_DMA_ATTRS if PPC64
+ select HAVE_DMA_ATTRS
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_OPROFILE
select HAVE_SYSCALL_WRAPPERS if PPC64
@@ -307,10 +307,6 @@ config SWIOTLB
platforms where the size of a physical address is larger
than the bus address. Not all platforms support this.
-config PPC_NEED_DMA_SYNC_OPS
- def_bool y
- depends on (NOT_COHERENT_CACHE || SWIOTLB)
-
config HOTPLUG_CPU
bool "Support for enabling/disabling CPUs"
depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC)
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 8ca2b51..91217e4 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -14,6 +14,7 @@
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/dma-attrs.h>
+#include <linux/dma-debug.h>
#include <asm/io.h>
#include <asm/swiotlb.h>
@@ -89,6 +90,11 @@ static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
dev->archdata.dma_ops = ops;
}
+/* this will be removed soon */
+#define flush_write_buffers()
+
+#include <asm-generic/dma-mapping-common.h>
+
static inline int dma_supported(struct device *dev, u64 mask)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);
@@ -117,87 +123,6 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
return 0;
}
-/*
- * map_/unmap_single actually call through to map/unmap_page now that all the
- * dma_map_ops have been converted over. We just have to get the page and
- * offset to pass through to map_page
- */
-static inline dma_addr_t dma_map_single_attrs(struct device *dev,
- void *cpu_addr,
- size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- return dma_ops->map_page(dev, virt_to_page(cpu_addr),
- (unsigned long)cpu_addr % PAGE_SIZE, size,
- direction, attrs);
-}
-
-static inline void dma_unmap_single_attrs(struct device *dev,
- dma_addr_t dma_addr,
- size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- dma_ops->unmap_page(dev, dma_addr, size, direction, attrs);
-}
-
-static inline dma_addr_t dma_map_page_attrs(struct device *dev,
- struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- return dma_ops->map_page(dev, page, offset, size, direction, attrs);
-}
-
-static inline void dma_unmap_page_attrs(struct device *dev,
- dma_addr_t dma_address,
- size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- dma_ops->unmap_page(dev, dma_address, size, direction, attrs);
-}
-
-static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
- return dma_ops->map_sg(dev, sg, nents, direction, attrs);
-}
-
-static inline void dma_unmap_sg_attrs(struct device *dev,
- struct scatterlist *sg,
- int nhwentries,
- enum dma_data_direction direction,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
- dma_ops->unmap_sg(dev, sg, nhwentries, direction, attrs);
-}
-
static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
{
@@ -216,161 +141,6 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
}
-static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
- size_t size,
- enum dma_data_direction direction)
-{
- return dma_map_single_attrs(dev, cpu_addr, size, direction, NULL);
-}
-
-static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
- size_t size,
- enum dma_data_direction direction)
-{
- dma_unmap_single_attrs(dev, dma_addr, size, direction, NULL);
-}
-
-static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- return dma_map_page_attrs(dev, page, offset, size, direction, NULL);
-}
-
-static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
- size_t size,
- enum dma_data_direction direction)
-{
- dma_unmap_page_attrs(dev, dma_address, size, direction, NULL);
-}
-
-static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction)
-{
- return dma_map_sg_attrs(dev, sg, nents, direction, NULL);
-}
-
-static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
- int nhwentries,
- enum dma_data_direction direction)
-{
- dma_unmap_sg_attrs(dev, sg, nhwentries, direction, NULL);
-}
-
-#ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS
-static inline void dma_sync_single_for_cpu(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- if (dma_ops->sync_single_range_for_cpu)
- dma_ops->sync_single_range_for_cpu(dev, dma_handle, 0,
- size, direction);
-}
-
-static inline void dma_sync_single_for_device(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- if (dma_ops->sync_single_range_for_device)
- dma_ops->sync_single_range_for_device(dev, dma_handle,
- 0, size, direction);
-}
-
-static inline void dma_sync_sg_for_cpu(struct device *dev,
- struct scatterlist *sgl, int nents,
- enum dma_data_direction direction)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- if (dma_ops->sync_sg_for_cpu)
- dma_ops->sync_sg_for_cpu(dev, sgl, nents, direction);
-}
-
-static inline void dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sgl, int nents,
- enum dma_data_direction direction)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- if (dma_ops->sync_sg_for_device)
- dma_ops->sync_sg_for_device(dev, sgl, nents, direction);
-}
-
-static inline void dma_sync_single_range_for_cpu(struct device *dev,
- dma_addr_t dma_handle, unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- if (dma_ops->sync_single_range_for_cpu)
- dma_ops->sync_single_range_for_cpu(dev, dma_handle,
- offset, size, direction);
-}
-
-static inline void dma_sync_single_range_for_device(struct device *dev,
- dma_addr_t dma_handle, unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- BUG_ON(!dma_ops);
-
- if (dma_ops->sync_single_range_for_device)
- dma_ops->sync_single_range_for_device(dev, dma_handle, offset,
- size, direction);
-}
-#else /* CONFIG_PPC_NEED_DMA_SYNC_OPS */
-static inline void dma_sync_single_for_cpu(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
-}
-
-static inline void dma_sync_single_for_device(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
-}
-
-static inline void dma_sync_sg_for_cpu(struct device *dev,
- struct scatterlist *sgl, int nents,
- enum dma_data_direction direction)
-{
-}
-
-static inline void dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sgl, int nents,
- enum dma_data_direction direction)
-{
-}
-
-static inline void dma_sync_single_range_for_cpu(struct device *dev,
- dma_addr_t dma_handle, unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
-}
-
-static inline void dma_sync_single_range_for_device(struct device *dev,
- dma_addr_t dma_handle, unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
-}
-#endif
-
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
#ifdef CONFIG_PPC64
--
1.6.0.6
--
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