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[media] vivi: Constify structures
Most of *_ops and other structures in vivi.c were already declared const but some have not. Constify and code/data will take less space: $ size drivers/media/platform/vivi.o text data bss dec hex filename before: 12569 248 8 12825 3219 drivers/media/platform/vivi.o after: 12308 20 8 12336 3030 drivers/media/platform/vivi.o i.e. vivi.o is now ~500 bytes less. Signed-off-by: Kirill Smelkov <kirr@navytux.spb.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -91,13 +91,13 @@ static const struct v4l2_fract
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------------------------------------------------------------------*/
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struct vivi_fmt {
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char *name;
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const char *name;
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u32 fourcc; /* v4l2 format id */
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u8 depth;
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bool is_yuv;
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};
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static struct vivi_fmt formats[] = {
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static const struct vivi_fmt formats[] = {
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{
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.name = "4:2:2, packed, YUYV",
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.fourcc = V4L2_PIX_FMT_YUYV,
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@ -164,9 +164,9 @@ static struct vivi_fmt formats[] = {
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},
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};
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static struct vivi_fmt *__get_format(u32 pixelformat)
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static const struct vivi_fmt *__get_format(u32 pixelformat)
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{
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struct vivi_fmt *fmt;
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const struct vivi_fmt *fmt;
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unsigned int k;
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for (k = 0; k < ARRAY_SIZE(formats); k++) {
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@ -181,7 +181,7 @@ static struct vivi_fmt *__get_format(u32 pixelformat)
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return &formats[k];
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}
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static struct vivi_fmt *get_format(struct v4l2_format *f)
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static const struct vivi_fmt *get_format(struct v4l2_format *f)
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{
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return __get_format(f->fmt.pix.pixelformat);
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}
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@ -191,7 +191,7 @@ struct vivi_buffer {
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/* common v4l buffer stuff -- must be first */
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struct vb2_buffer vb;
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struct list_head list;
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struct vivi_fmt *fmt;
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const struct vivi_fmt *fmt;
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};
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struct vivi_dmaqueue {
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@ -250,7 +250,7 @@ struct vivi_dev {
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int input;
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/* video capture */
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struct vivi_fmt *fmt;
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const struct vivi_fmt *fmt;
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struct v4l2_fract timeperframe;
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unsigned int width, height;
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struct vb2_queue vb_vidq;
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@ -297,7 +297,7 @@ struct bar_std {
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/* Maximum number of bars are 10 - otherwise, the input print code
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should be modified */
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static struct bar_std bars[] = {
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static const struct bar_std bars[] = {
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{ /* Standard ITU-R color bar sequence */
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{ COLOR_WHITE, COLOR_AMBER, COLOR_CYAN, COLOR_GREEN,
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COLOR_MAGENTA, COLOR_RED, COLOR_BLUE, COLOR_BLACK, COLOR_BLACK }
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@ -926,7 +926,7 @@ static void vivi_unlock(struct vb2_queue *vq)
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}
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static struct vb2_ops vivi_video_qops = {
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static const struct vb2_ops vivi_video_qops = {
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.queue_setup = queue_setup,
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.buf_prepare = buffer_prepare,
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.buf_queue = buffer_queue,
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@ -957,7 +957,7 @@ static int vidioc_querycap(struct file *file, void *priv,
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static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
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struct v4l2_fmtdesc *f)
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{
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struct vivi_fmt *fmt;
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const struct vivi_fmt *fmt;
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if (f->index >= ARRAY_SIZE(formats))
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return -EINVAL;
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@ -993,7 +993,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
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struct v4l2_format *f)
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{
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struct vivi_dev *dev = video_drvdata(file);
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struct vivi_fmt *fmt;
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const struct vivi_fmt *fmt;
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fmt = get_format(f);
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if (!fmt) {
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@ -1102,7 +1102,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
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static int vidioc_enum_frameintervals(struct file *file, void *priv,
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struct v4l2_frmivalenum *fival)
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{
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struct vivi_fmt *fmt;
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const struct vivi_fmt *fmt;
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if (fival->index)
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return -EINVAL;
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@ -1330,7 +1330,7 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = {
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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};
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static struct video_device vivi_template = {
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static const struct video_device vivi_template = {
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.name = "vivi",
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.fops = &vivi_fops,
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.ioctl_ops = &vivi_ioctl_ops,
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