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Remove dma_cache_(wback|inv|wback_inv) functions

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dma_cache_(wback|inv|wback_inv) were the earliest attempt on a generalized
cache managment API for I/O purposes.  Originally it was basically the raw
MIPS low level cache API exported to the entire world.  The API has
suffered from a lack of documentation, was not very widely used unlike it's
more modern brothers and can easily be replaced by dma_cache_sync.  So
remove it rsp.  turn the surviving bits back into an arch private API, as
discussed on linux-arch.

Signed-off-by: Ralf Baechle <[email protected]>
Acked-by: Paul Mundt <[email protected]>
Acked-by: Paul Mackerras <[email protected]>
Acked-by: David S. Miller <[email protected]>
Acked-by: Kyle McMartin <[email protected]>
Acked-by: Haavard Skinnemoen <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ralf Baechle 2007-10-16 23:29:42 -07:00 • committed by Linus Torvalds
commit 622a9edd91
24 changed files with 19 additions and 193 deletions
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4
include/asm-blackfin/io.h
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@ -183,10 +183,6 @@ extern void blkfin_inv_cache_all(void);
#define ioport_map(port, nr) ((void __iomem*)(port))
#define ioport_unmap(addr)
#define dma_cache_inv(_start,_size) do { blkfin_inv_cache_all();} while (0)
#define dma_cache_wback(_start,_size) do { } while (0)
#define dma_cache_wback_inv(_start,_size) do { blkfin_inv_cache_all();} while (0)
/* Pages to physical address... */
#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)