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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-04-28 08:45:39 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-04-28 08:45:39 +0000 |
| commit | b6e7822b8f96c2e514b0ec863de373928a2e14e2 (patch) | |
| tree | 2ffef016da23dbacfd9cdb16e568348a8c8d07e9 | |
| parent | 2031afeba8b04f69eaec2813c11809fc5b3b0a99 (diff) | |
| download | mediapointer-dvb-s2-b6e7822b8f96c2e514b0ec863de373928a2e14e2.tar.gz mediapointer-dvb-s2-b6e7822b8f96c2e514b0ec863de373928a2e14e2.tar.bz2 | |
buf-dma-contig: remove sync operation
From: Magnus Damm <damm@igel.co.jp>
Remove the videobuf-dma-contig sync operation. Sync is only needed
for noncoherent buffers, and since videobuf-dma-contig is built on
coherent memory allocators the memory is by definition always in sync.
Reported-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Reviewed-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | linux/drivers/media/video/videobuf-dma-contig.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/linux/drivers/media/video/videobuf-dma-contig.c b/linux/drivers/media/video/videobuf-dma-contig.c index 6db1398fd..633a124cf 100644 --- a/linux/drivers/media/video/videobuf-dma-contig.c +++ b/linux/drivers/media/video/videobuf-dma-contig.c @@ -183,19 +183,6 @@ static int __videobuf_iolock(struct videobuf_queue *q, return 0; } -static int __videobuf_sync(struct videobuf_queue *q, - struct videobuf_buffer *buf) -{ - struct videobuf_dma_contig_memory *mem = buf->priv; - - BUG_ON(!mem); - MAGIC_CHECK(mem->magic, MAGIC_DC_MEM); - - dma_sync_single_for_cpu(q->dev, mem->dma_handle, mem->size, - DMA_FROM_DEVICE); - return 0; -} - static int __videobuf_mmap_free(struct videobuf_queue *q) { unsigned int i; @@ -357,7 +344,6 @@ static struct videobuf_qtype_ops qops = { .alloc = __videobuf_alloc, .iolock = __videobuf_iolock, - .sync = __videobuf_sync, .mmap_free = __videobuf_mmap_free, .mmap_mapper = __videobuf_mmap_mapper, .video_copy_to_user = __videobuf_copy_to_user, |