lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ARM: dma-mapping: remove dmac_clean_range and dmac_inv_range

Browse Source 
These are now unused, and so can be removed.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-By: Santosh Shilimkar <santosh.shilimkar@ti.com>
This commit is contained in:
Russell King
2009-11-26 16:24:19 +00:00
parent a9c9147eb9
commit 702b94bff3
22 changed files with 41 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
arch/arm/mm/cache-v4.S
View File

@@ -93,20 +93,6 @@ ENTRY(v4_coherent_user_range)
ENTRY(v4_flush_kern_dcache_area)
/* FALLTHROUGH */
/*
* dma_inv_range(start, end)
*
* Invalidate (discard) the specified virtual address range.
* May not write back any entries. If 'start' or 'end'
* are not cache line aligned, those lines must be written
* back.
*
* - start - virtual start address
* - end - virtual end address
*/
ENTRY(v4_dma_inv_range)
/* FALLTHROUGH */
/*
* dma_flush_range(start, end)
*
@@ -120,17 +106,6 @@ ENTRY(v4_dma_flush_range)
mov r0, #0
mcr p15, 0, r0, c7, c7, 0 @ flush ID cache
#endif
/* FALLTHROUGH */
/*
* dma_clean_range(start, end)
*
* Clean (write back) the specified virtual address range.
*
* - start - virtual start address
* - end - virtual end address
*/
ENTRY(v4_dma_clean_range)
mov pc, lr
/*
@@ -141,7 +116,7 @@ ENTRY(v4_dma_clean_range)
*/
ENTRY(v4_dma_unmap_area)
teq r2, #DMA_TO_DEVICE
bne v4_dma_inv_range
bne v4_dma_flush_range
/* FALLTHROUGH */
/*
@@ -167,7 +142,5 @@ ENTRY(v4_cache_fns)
.long v4_flush_kern_dcache_area
.long v4_dma_map_area
.long v4_dma_unmap_area
.long v4_dma_inv_range
.long v4_dma_clean_range
.long v4_dma_flush_range
.size v4_cache_fns, . - v4_cache_fns