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V4L/DVB (6043): ivtv: fix incorrect round-robin implementation

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2007-08-18 11:36:09 -03:00 committed by Mauro Carvalho Chehab
parent b1139e353c
commit 33bc4dea0e
1 changed files with 4 additions and 2 deletions
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6
drivers/media/video/ivtv/ivtv-irq.c
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@ -859,8 +859,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
}
if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
itv->irq_rr_idx++;
for (i = 0; i < IVTV_MAX_STREAMS; i++) {
int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS;
int idx = (i + itv->irq_rr_idx) % IVTV_MAX_STREAMS;
struct ivtv_stream *s = &itv->streams[idx];
if (!test_and_clear_bit(IVTV_F_S_DMA_PENDING, &s->s_flags))
@ -877,8 +878,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
}
if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_PIO, &itv->i_flags)) {
itv->irq_rr_idx++;
for (i = 0; i < IVTV_MAX_STREAMS; i++) {
int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS;
int idx = (i + itv->irq_rr_idx) % IVTV_MAX_STREAMS;
struct ivtv_stream *s = &itv->streams[idx];
if (!test_and_clear_bit(IVTV_F_S_PIO_PENDING, &s->s_flags))