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path: root/drivers/media/video/ivtv
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Diffstat (limited to 'drivers/media/video/ivtv')
-rw-r--r--drivers/media/video/ivtv/ivtv-irq.c26
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c
index bf7d99c6ffa..fd1688e4757 100644
--- a/drivers/media/video/ivtv/ivtv-irq.c
+++ b/drivers/media/video/ivtv/ivtv-irq.c
@@ -42,7 +42,6 @@ static void ivtv_pio_work_handler(struct ivtv *itv)
{
struct ivtv_stream *s = &itv->streams[itv->cur_pio_stream];
struct ivtv_buffer *buf;
- struct list_head *p;
int i = 0;
IVTV_DEBUG_HI_DMA("ivtv_pio_work_handler\n");
@@ -54,9 +53,7 @@ static void ivtv_pio_work_handler(struct ivtv *itv)
return;
}
IVTV_DEBUG_HI_DMA("Process PIO %s\n", s->name);
- buf = list_entry(s->q_dma.list.next, struct ivtv_buffer, list);
- list_for_each(p, &s->q_dma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
+ list_for_each_entry(buf, &s->q_dma.list, list) {
u32 size = s->sg_processing[i].size & 0x3ffff;
/* Copy the data from the card to the buffer */
@@ -97,7 +94,6 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
{
struct ivtv *itv = s->itv;
struct ivtv_buffer *buf;
- struct list_head *p;
u32 bytes_needed = 0;
u32 offset, size;
u32 UVoffset = 0, UVsize = 0;
@@ -202,9 +198,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
/* got the buffers, now fill in sg_pending */
buf = list_entry(s->q_predma.list.next, struct ivtv_buffer, list);
memset(buf->buf, 0, 128);
- list_for_each(p, &s->q_predma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
-
+ list_for_each_entry(buf, &s->q_predma.list, list) {
if (skip_bufs-- > 0)
continue;
s->sg_pending[idx].dst = buf->dma_handle;
@@ -289,9 +283,7 @@ static void dma_post(struct ivtv_stream *s)
if (buf)
buf->bytesused += s->dma_last_offset;
if (buf && s->type == IVTV_DEC_STREAM_TYPE_VBI) {
- list_for_each(p, &s->q_dma.list) {
- buf = list_entry(p, struct ivtv_buffer, list);
-
+ list_for_each_entry(buf, &s->q_dma.list, list) {
/* Parse and Groom VBI Data */
s->q_dma.bytesused -= buf->bytesused;
ivtv_process_vbi_data(itv, buf, 0, s->type);
@@ -311,7 +303,6 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
{
struct ivtv *itv = s->itv;
struct ivtv_buffer *buf;
- struct list_head *p;
u32 y_size = itv->params.height * itv->params.width;
u32 uv_offset = offset + IVTV_YUV_BUFFER_UV_OFFSET;
int y_done = 0;
@@ -320,10 +311,7 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
int idx = 0;
IVTV_DEBUG_HI_DMA("DEC PREPARE DMA %s: %08x %08x\n", s->name, s->q_predma.bytesused, offset);
- buf = list_entry(s->q_predma.list.next, struct ivtv_buffer, list);
- list_for_each(p, &s->q_predma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
-
+ list_for_each_entry(buf, &s->q_predma.list, list) {
/* YUV UV Offset from Y Buffer */
if (s->type == IVTV_DEC_STREAM_TYPE_YUV && !y_done && bytes_written >= y_size) {
offset = uv_offset;
@@ -677,11 +665,9 @@ static void ivtv_irq_enc_vbi_cap(struct ivtv *itv)
we just drop the old requests when there are already three
requests queued. */
if (s->sg_pending_size > 2) {
- struct list_head *p;
- list_for_each(p, &s->q_predma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
+ struct ivtv_buffer *buf;
+ list_for_each_entry(buf, &s->q_predma.list, list)
ivtv_buf_sync_for_cpu(s, buf);
- }
ivtv_queue_move(s, &s->q_predma, NULL, &s->q_free, 0);
s->sg_pending_size = 0;
}