Remove dma_cache_(wback|inv|wback_inv) functions

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 <ralf@linux-mips.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Kyle McMartin <kyle@parisc-linux.org>
Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h
index 4cc9bcec0564..95f00e11c7b4 100644
--- a/include/asm-parisc/io.h
+++ b/include/asm-parisc/io.h
@@ -270,11 +270,6 @@ extern void outsl (unsigned long port, const void *src, unsigned long count);
 /* IO Port space is :      BBiiii   where BB is HBA number. */
 #define IO_SPACE_LIMIT 0x00ffffff
 
-
-#define dma_cache_inv(_start,_size)             do { flush_kernel_dcache_range(_start,_size); } while (0)
-#define dma_cache_wback(_start,_size)           do { flush_kernel_dcache_range(_start,_size); } while (0)
-#define dma_cache_wback_inv(_start,_size)       do { flush_kernel_dcache_range(_start,_size); } while (0)
-
 /* PA machines have an MM I/O space from 0xf0000000-0xffffffff in 32
  * bit mode and from 0xfffffffff0000000-0xfffffffffffffff in 64 bit
  * mode (essentially just sign extending.  This macro takes in a 32