diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-02-06 17:39:31 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-08 14:49:44 +0000 |
| commit | 7ae5a761d2ffc4cf7d3248e09f4d3da234434f30 (patch) | |
| tree | 8b936e37b9750c27e8f2c86318591912dc7e1cc3 /arch/arm/common/dmabounce.c | |
| parent | 953233dc9958ba2b29753d0f24e37a33a076a5f6 (diff) | |
| download | linux-7ae5a761d2ffc4cf7d3248e09f4d3da234434f30.tar.bz2 | |
[ARM] Convert DMA cache handling to take const void * args
The DMA cache handling functions take virtual addresses, but in the
form of unsigned long arguments. This leads to a little confusion
about what exactly they take. So, convert them to take const void *
instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common/dmabounce.c')
| -rw-r--r-- | arch/arm/common/dmabounce.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index b4748e3171c6..2362c498f52e 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -321,12 +321,12 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, DO_STATS ( device_info->bounce_count++ ); if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) { - unsigned long ptr; + void *ptr = buf->ptr; dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n", - __func__, buf->safe, buf->ptr, size); - memcpy(buf->ptr, buf->safe, size); + __func__, buf->safe, ptr, size); + memcpy(ptr, buf->safe, size); /* * DMA buffers must have the same cache properties @@ -336,7 +336,6 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, * bidirectional case because we know the cache * lines will be coherent with the data written. */ - ptr = (unsigned long)buf->ptr; dmac_clean_range(ptr, ptr + size); outer_clean_range(__pa(ptr), __pa(ptr) + size); } |