hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

V4L/DVB: videobuf-dma-sg: remove external function videobuf_dma_sync() 

While analyzing one of the videobuf patches, I noticed that
videobuf_dma_sync is only used internally inside videobuf-dma-sg.
So, let's remove this function, merging the code at __videobuf_dma_sync()

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-05-05 16:23:09 -03:00
parent 21636363be
commit 97f8105dcd
2 changed files with 8 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/media/video/videobuf-dma-sg.c
View File

@ -279,17 +279,6 @@ int videobuf_dma_map(struct videobuf_queue *q, struct videobuf_dmabuf *dma)
}
EXPORT_SYMBOL_GPL(videobuf_dma_map);
int videobuf_dma_sync(struct videobuf_queue *q, struct videobuf_dmabuf *dma)
{
MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
BUG_ON(!dma->sglen);
dma_sync_sg_for_cpu(q->dev, dma->sglist, dma->nr_pages, dma->direction);
return 0;
}
EXPORT_SYMBOL_GPL(videobuf_dma_sync);
int videobuf_dma_unmap(struct videobuf_queue *q, struct videobuf_dmabuf *dma)
{
MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
@ -542,10 +531,15 @@ static int __videobuf_sync(struct videobuf_queue *q,
struct videobuf_buffer *buf)
{
struct videobuf_dma_sg_memory *mem = buf->priv;
BUG_ON(!mem);
MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
BUG_ON(!mem || !mem->dma.sglen);
return videobuf_dma_sync(q, &mem->dma);
MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
MAGIC_CHECK(mem->dma.magic, MAGIC_DMABUF);
dma_sync_sg_for_cpu(q->dev, mem->dma.sglist,
mem->dma.nr_pages, mem->dma.direction);
return 0;
}
static int __videobuf_mmap_mapper(struct videobuf_queue *q,

1
include/media/videobuf-dma-sg.h
View File

@ -97,7 +97,6 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
int videobuf_dma_free(struct videobuf_dmabuf *dma);
int videobuf_dma_map(struct videobuf_queue *q, struct videobuf_dmabuf *dma);
int videobuf_dma_sync(struct videobuf_queue *q, struct videobuf_dmabuf *dma);
int videobuf_dma_unmap(struct videobuf_queue *q, struct videobuf_dmabuf *dma);
struct videobuf_dmabuf *videobuf_to_dma(struct videobuf_buffer *buf);