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| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2023-08-23 15:16:52 +0800 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-09-27 09:39:55 +0200 |
| commit | 0c7af09408b3e4bb7e9a3b430a93473494d9b748 (patch) | |
| tree | 8b1d054e49a437f79b39dd573b9a02d5656aa50e /drivers/media/pci/cobalt | |
| parent | 1c2786632e20c8f0fd4004fae3b3490276e5e5da (diff) | |
| download | linux-stable-0c7af09408b3e4bb7e9a3b430a93473494d9b748.tar.gz linux-stable-0c7af09408b3e4bb7e9a3b430a93473494d9b748.tar.bz2 linux-stable-0c7af09408b3e4bb7e9a3b430a93473494d9b748.zip | |
media: cobalt: Use list_for_each_entry() helper
Convert list_for_each() to list_for_each_entry() so that the p
list_head pointer and list_entry() call are no longer needed, which
can reduce a few lines of code. No functional changed.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/pci/cobalt')
| -rw-r--r-- | drivers/media/pci/cobalt/cobalt-v4l2.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c index 4bfbcca14f60..26bf58d17a3d 100644 --- a/drivers/media/pci/cobalt/cobalt-v4l2.c +++ b/drivers/media/pci/cobalt/cobalt-v4l2.c @@ -107,11 +107,9 @@ static void chain_all_buffers(struct cobalt_stream *s) { struct sg_dma_desc_info *desc[NR_BUFS]; struct cobalt_buffer *cb; - struct list_head *p; int i = 0; - list_for_each(p, &s->bufs) { - cb = list_entry(p, struct cobalt_buffer, list); + list_for_each_entry(cb, &s->bufs, list) { desc[i] = &s->dma_desc_info[cb->vb.vb2_buf.index]; if (i > 0) descriptor_list_chain(desc[i-1], desc[i]); @@ -348,7 +346,6 @@ static void cobalt_dma_stop_streaming(struct cobalt_stream *s) struct cobalt *cobalt = s->cobalt; struct sg_dma_desc_info *desc; struct cobalt_buffer *cb; - struct list_head *p; unsigned long flags; int timeout_msec = 100; int rx = s->video_channel; @@ -367,8 +364,7 @@ static void cobalt_dma_stop_streaming(struct cobalt_stream *s) /* Try to stop the DMA engine gracefully */ spin_lock_irqsave(&s->irqlock, flags); - list_for_each(p, &s->bufs) { - cb = list_entry(p, struct cobalt_buffer, list); + list_for_each_entry(cb, &s->bufs, list) { desc = &s->dma_desc_info[cb->vb.vb2_buf.index]; /* Stop DMA after this descriptor chain */ descriptor_list_end_of_chain(desc); |