Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=31d1b493237c8168cd2fc0f3d40b9ad5651e6f4c
Commit: 31d1b493237c8168cd2fc0f3d40b9ad5651e6f4c
Parent: 15c60cc472d4cc0e1bcde1081b0f75ef616e4c7e
Author: Michael Ellerman <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 21 16:42:48 2008 +1100
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Fri Jan 25 22:52:54 2008 +1100
[POWERPC] Remove the global dma_direct_offset
We no longer need the global dma_direct_offset, update the comment to
reflect the new reality.
Signed-off-by: Michael Ellerman <[EMAIL PROTECTED]>
Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
arch/powerpc/kernel/dma_64.c | 7 ++++---
include/asm-powerpc/dma-mapping.h | 2 --
2 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/kernel/dma_64.c b/arch/powerpc/kernel/dma_64.c
index a2d076d..72fdc06 100644
--- a/arch/powerpc/kernel/dma_64.c
+++ b/arch/powerpc/kernel/dma_64.c
@@ -112,10 +112,11 @@ EXPORT_SYMBOL(dma_iommu_ops);
/*
* Generic direct DMA implementation
*
- * This implementation supports a global offset that can be applied if
- * the address at which memory is visible to devices is not 0.
+ * This implementation supports a per-device offset that can be applied if
+ * the address at which memory is visible to devices is not 0. Platform code
+ * can set archdata.dma_data to an unsigned long holding the offset. By
+ * default the offset is zero.
*/
-unsigned long dma_direct_offset;
static unsigned long get_dma_direct_offset(struct device *dev)
{
diff --git a/include/asm-powerpc/dma-mapping.h
b/include/asm-powerpc/dma-mapping.h
index e974876..5eea6db 100644
--- a/include/asm-powerpc/dma-mapping.h
+++ b/include/asm-powerpc/dma-mapping.h
@@ -189,8 +189,6 @@ static inline void dma_unmap_sg(struct device *dev, struct
scatterlist *sg,
extern struct dma_mapping_ops dma_iommu_ops;
extern struct dma_mapping_ops dma_direct_ops;
-extern unsigned long dma_direct_offset;
-
#else /* CONFIG_PPC64 */
#define dma_supported(dev, mask) (1)
-
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