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path: root/drivers/ieee1394/video1394.c
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Diffstat (limited to 'drivers/ieee1394/video1394.c')
-rw-r--r--drivers/ieee1394/video1394.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 598b19fc598..f4d1ec00af6 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -489,6 +489,9 @@ static void wakeup_dma_ir_ctx(unsigned long l)
reset_ir_status(d, i);
d->buffer_status[d->buffer_prg_assignment[i]] = VIDEO1394_BUFFER_READY;
do_gettimeofday(&d->buffer_time[d->buffer_prg_assignment[i]]);
+ dma_region_sync_for_cpu(&d->dma,
+ d->buffer_prg_assignment[i] * d->buf_size,
+ d->buf_size);
}
}
@@ -1096,6 +1099,8 @@ static long video1394_ioctl(struct file *file,
DBGMSG(ohci->host->id, "Starting iso transmit DMA ctx=%d",
d->ctx);
put_timestamp(ohci, d, d->last_buffer);
+ dma_region_sync_for_device(&d->dma,
+ v.buffer * d->buf_size, d->buf_size);
/* Tell the controller where the first program is */
reg_write(ohci, d->cmdPtr,
@@ -1111,6 +1116,9 @@ static long video1394_ioctl(struct file *file,
"Waking up iso transmit dma ctx=%d",
d->ctx);
put_timestamp(ohci, d, d->last_buffer);
+ dma_region_sync_for_device(&d->dma,
+ v.buffer * d->buf_size, d->buf_size);
+
reg_write(ohci, d->ctrlSet, 0x1000);
}
}