The patch titled
Subject: c6x: dma mapping fixes
has been added to the -mm tree. Its filename is
c6x-convert-to-dma_map_ops-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/c6x-convert-to-dma_map_ops-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/c6x-convert-to-dma_map_ops-fix-2.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Christoph Hellwig <hch@xxxxxx>
Subject: c6x: dma mapping fixes
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/c6x/include/asm/dma-mapping.h | 6 ++++++
arch/c6x/kernel/dma.c | 2 ++
arch/c6x/mm/dma-coherent.c | 10 ++++------
3 files changed, 12 insertions(+), 6 deletions(-)
diff -puN arch/c6x/include/asm/dma-mapping.h~c6x-convert-to-dma_map_ops-fix-2 arch/c6x/include/asm/dma-mapping.h
--- a/arch/c6x/include/asm/dma-mapping.h~c6x-convert-to-dma_map_ops-fix-2
+++ a/arch/c6x/include/asm/dma-mapping.h
@@ -26,4 +26,10 @@ static inline struct dma_map_ops *get_dm
#include <asm-generic/dma-mapping-common.h>
+extern void coherent_mem_init(u32 start, u32 size);
+void *c6x_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
+ gfp_t gfp, struct dma_attrs *attrs);
+void c6x_dma_free(struct device *dev, size_t size, void *vaddr,
+ dma_addr_t dma_handle, struct dma_attrs *attrs);
+
#endif /* _ASM_C6X_DMA_MAPPING_H */
diff -puN arch/c6x/kernel/dma.c~c6x-convert-to-dma_map_ops-fix-2 arch/c6x/kernel/dma.c
--- a/arch/c6x/kernel/dma.c~c6x-convert-to-dma_map_ops-fix-2
+++ a/arch/c6x/kernel/dma.c
@@ -122,7 +122,9 @@ struct dma_map_ops c6x_dma_ops = {
.alloc = c6x_dma_alloc,
.free = c6x_dma_free,
.map_page = c6x_dma_map_page,
+ .unmap_page = c6x_dma_unmap_page,
.map_sg = c6x_dma_map_sg,
+ .unmap_sg = c6x_dma_unmap_sg,
.sync_single_for_device = c6x_dma_sync_single_for_device,
.sync_single_for_cpu = c6x_dma_sync_single_for_cpu,
.sync_sg_for_device = c6x_dma_sync_sg_for_device,
diff -puN arch/c6x/mm/dma-coherent.c~c6x-convert-to-dma_map_ops-fix-2 arch/c6x/mm/dma-coherent.c
--- a/arch/c6x/mm/dma-coherent.c~c6x-convert-to-dma_map_ops-fix-2
+++ a/arch/c6x/mm/dma-coherent.c
@@ -73,8 +73,8 @@ static void __free_dma_pages(u32 addr, i
* Allocate DMA coherent memory space and return both the kernel
* virtual and DMA address for that space.
*/
-void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *handle, gfp_t gfp)
+void *c6x_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
+ gfp_t gfp, struct dma_attrs *attrs)
{
u32 paddr;
int order;
@@ -94,13 +94,12 @@ void *dma_alloc_coherent(struct device *
return phys_to_virt(paddr);
}
-EXPORT_SYMBOL(dma_alloc_coherent);
/*
* Free DMA coherent memory as defined by the above mapping.
*/
-void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle)
+void c6x_dma_free(struct device *dev, size_t size, void *vaddr,
+ dma_addr_t dma_handle, struct dma_attrs *attrs)
{
int order;
@@ -111,7 +110,6 @@ void dma_free_coherent(struct device *de
__free_dma_pages(virt_to_phys(vaddr), order);
}
-EXPORT_SYMBOL(dma_free_coherent);
/*
* Initialise the coherent DMA memory allocator using the given uncached region.
_
Patches currently in -mm which might be from hch@xxxxxx are
dma-mapping-make-the-generic-coherent-dma-mmap-implementation-optional.patch
arc-convert-to-dma_map_ops.patch
arc-convert-to-dma_map_ops-fix.patch
avr32-convert-to-dma_map_ops.patch
blackfin-convert-to-dma_map_ops.patch
c6x-convert-to-dma_map_ops.patch
c6x-convert-to-dma_map_ops-fix-2.patch
cris-convert-to-dma_map_ops.patch
nios2-convert-to-dma_map_ops.patch
frv-convert-to-dma_map_ops.patch
parisc-convert-to-dma_map_ops.patch
mn10300-convert-to-dma_map_ops.patch
m68k-convert-to-dma_map_ops.patch
metag-convert-to-dma_map_ops.patch
sparc-use-generic-dma_set_mask.patch
tile-uninline-dma_set_mask.patch
dma-mapping-always-provide-the-dma_map_ops-based-implementation.patch
dma-mapping-remove-asm-generic-dma-coherenth.patch
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