diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-04-13 06:28:54 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-16 18:01:29 -0300 |
| commit | bfef0d35e57c08dff295e3203d30f9ca4077415a (patch) | |
| tree | e8cc8eeab902c7e4eec26a8be3d8a0d56bafa3d4 /drivers/media/pci/cx25821/cx25821-video.c | |
| parent | 3dd473ca58838f1dd93e915cfa7a5c150186bb0f (diff) | |
[media] cx25821: make cx25821_sram_channels const
And get rid of the channel0-11 external pointers and two more unused fields
in cx25821.h.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-video.c')
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-video.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c index 7cd888581f9e..c418e0d38c24 100644 --- a/drivers/media/pci/cx25821/cx25821-video.c +++ b/drivers/media/pci/cx25821/cx25821-video.c @@ -258,7 +258,7 @@ int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input) int cx25821_start_video_dma(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, struct cx25821_buffer *buf, - struct sram_channel *channel) + const struct sram_channel *channel) { int tmp = 0; @@ -285,7 +285,7 @@ int cx25821_start_video_dma(struct cx25821_dev *dev, static int cx25821_restart_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, - struct sram_channel *channel) + const struct sram_channel *channel) { struct cx25821_buffer *buf, *prev; struct list_head *item; @@ -338,7 +338,7 @@ static void cx25821_vid_timeout(unsigned long data) { struct cx25821_data *timeout_data = (struct cx25821_data *)data; struct cx25821_dev *dev = timeout_data->dev; - struct sram_channel *channel = timeout_data->channel; + const struct sram_channel *channel = timeout_data->channel; struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq; struct cx25821_buffer *buf; unsigned long flags; @@ -365,7 +365,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) u32 count = 0; int handled = 0; u32 mask; - struct sram_channel *channel = dev->channels[chan_num].sram_channels; + const struct sram_channel *channel = dev->channels[chan_num].sram_channels; mask = cx_read(channel->int_msk); if (0 == (status & mask)) @@ -787,9 +787,11 @@ static int video_release(struct file *file) { struct cx25821_fh *fh = file->private_data; struct cx25821_dev *dev = fh->dev; + const struct sram_channel *sram_ch = + dev->channels[0].sram_channels; /* stop the risc engine and fifo */ - cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */ + cx_write(sram_ch->dma_ctl, 0); /* FIFO and RISC disable */ /* stop video capture */ if (cx25821_res_check(fh, RESOURCE_VIDEO0)) { @@ -923,7 +925,7 @@ static int vidioc_log_status(struct file *file, void *priv) { struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; struct cx25821_fh *fh = priv; - struct sram_channel *sram_ch = + const struct sram_channel *sram_ch = dev->channels[fh->channel_id].sram_channels; u32 tmp = 0; |