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

[PATCH] ARM: Use list_for_each_entry() for dmabounce

Browse Source 
Convert dmabounce.c to use list_for_each_entry() instead of
list_for_each() + list_entry().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2005-06-22 21:25:58 +01:00
parent bdf042486a
commit b46a58fd4e
1 changed files with 5 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
arch/arm/common/dmabounce.c
View File

@@ -93,15 +93,12 @@ static void print_alloc_stats(struct dmabounce_device_info *device_info)
static inline struct dmabounce_device_info * static inline struct dmabounce_device_info *
find_dmabounce_dev(struct device *dev) find_dmabounce_dev(struct device *dev)
{ {
struct list_head *entry; struct dmabounce_device_info *d;
list_for_each(entry, &dmabounce_devs) {
struct dmabounce_device_info *d =
list_entry(entry, struct dmabounce_device_info, node);
list_for_each_entry(d, &dmabounce_devs, node)
if (d->dev == dev) if (d->dev == dev)
return d; return d;
}
return NULL; return NULL;
} }
@@ -172,15 +169,11 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr,
static inline struct safe_buffer * static inline struct safe_buffer *
find_safe_buffer(struct dmabounce_device_info *device_info, dma_addr_t safe_dma_addr) find_safe_buffer(struct dmabounce_device_info *device_info, dma_addr_t safe_dma_addr)
{ {
struct list_head *entry; struct safe_buffer *b;
list_for_each(entry, &device_info->safe_buffers) {
struct safe_buffer *b =
list_entry(entry, struct safe_buffer, node);
list_for_each_entry(b, &device_info->safe_buffers, node)
if (b->safe_dma_addr == safe_dma_addr) if (b->safe_dma_addr == safe_dma_addr)
return b; return b;
}
return NULL; return NULL;
} }
@@ -301,7 +294,6 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
__func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr), __func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
buf->safe, (void *) buf->safe_dma_addr); buf->safe, (void *) buf->safe_dma_addr);
DO_STATS ( device_info->bounce_count++ ); DO_STATS ( device_info->bounce_count++ );
if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) { if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) {