On 07/17/2014 06:05 PM, Philipp Zabel wrote:
> The format and codec lists and the ops structures are read-only.
> Mark them as const.
>
> Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
Regards,
Hans
> ---
> drivers/media/platform/coda.c | 38 +++++++++++++++++++-------------------
> 1 file changed, 19 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
> index ed5fa4c..b644f2b 100644
> --- a/drivers/media/platform/coda.c
> +++ b/drivers/media/platform/coda.c
> @@ -102,7 +102,7 @@ struct coda_codec {
> struct coda_devtype {
> char *firmware;
> enum coda_product product;
> - struct coda_codec *codecs;
> + const struct coda_codec *codecs;
> unsigned int num_codecs;
> size_t workbuf_size;
> size_t tempbuf_size;
> @@ -225,7 +225,7 @@ struct coda_ctx {
> u32 sequence_offset;
> struct coda_q_data q_data[2];
> enum coda_inst_type inst_type;
> - struct coda_codec *codec;
> + const struct coda_codec *codec;
> enum v4l2_colorspace colorspace;
> struct coda_params params;
> struct v4l2_ctrl_handler ctrls;
> @@ -390,7 +390,7 @@ static struct coda_q_data *get_q_data(struct coda_ctx
> *ctx,
> /*
> * Array of all formats supported by any version of Coda:
> */
> -static struct coda_fmt coda_formats[] = {
> +static const struct coda_fmt coda_formats[] = {
> {
> .name = "YUV 4:2:0 Planar, YCbCr",
> .fourcc = V4L2_PIX_FMT_YUV420,
> @@ -419,19 +419,19 @@ static struct coda_fmt coda_formats[] = {
> * i.MX6 -> coda960
> * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0
> variants
> */
> -static struct coda_codec codadx6_codecs[] = {
> +static const struct coda_codec codadx6_codecs[] = {
> CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420,
> V4L2_PIX_FMT_H264, 720, 576),
> CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420,
> V4L2_PIX_FMT_MPEG4, 720, 576),
> };
>
> -static struct coda_codec coda7_codecs[] = {
> +static const struct coda_codec coda7_codecs[] = {
> CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420,
> V4L2_PIX_FMT_H264, 1280, 720),
> CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420,
> V4L2_PIX_FMT_MPEG4, 1280, 720),
> CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264,
> V4L2_PIX_FMT_YUV420, 1920, 1080),
> CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4,
> V4L2_PIX_FMT_YUV420, 1920, 1080),
> };
>
> -static struct coda_codec coda9_codecs[] = {
> +static const struct coda_codec coda9_codecs[] = {
> CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420,
> V4L2_PIX_FMT_H264, 1920, 1080),
> CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420,
> V4L2_PIX_FMT_MPEG4, 1920, 1080),
> CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264,
> V4L2_PIX_FMT_YUV420, 1920, 1080),
> @@ -458,10 +458,10 @@ static u32 coda_format_normalize_yuv(u32 fourcc)
> return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
> }
>
> -static struct coda_codec *coda_find_codec(struct coda_dev *dev, int
> src_fourcc,
> - int dst_fourcc)
> +static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
> + int src_fourcc, int dst_fourcc)
> {
> - struct coda_codec *codecs = dev->devtype->codecs;
> + const struct coda_codec *codecs = dev->devtype->codecs;
> int num_codecs = dev->devtype->num_codecs;
> int k;
>
> @@ -483,10 +483,10 @@ static struct coda_codec *coda_find_codec(struct
> coda_dev *dev, int src_fourcc,
> }
>
> static void coda_get_max_dimensions(struct coda_dev *dev,
> - struct coda_codec *codec,
> + const struct coda_codec *codec,
> int *max_w, int *max_h)
> {
> - struct coda_codec *codecs = dev->devtype->codecs;
> + const struct coda_codec *codecs = dev->devtype->codecs;
> int num_codecs = dev->devtype->num_codecs;
> unsigned int w, h;
> int k;
> @@ -546,9 +546,9 @@ static int coda_enum_fmt(struct file *file, void *priv,
> struct v4l2_fmtdesc *f)
> {
> struct coda_ctx *ctx = fh_to_ctx(priv);
> - struct coda_codec *codecs = ctx->dev->devtype->codecs;
> - struct coda_fmt *formats = coda_formats;
> - struct coda_fmt *fmt;
> + const struct coda_codec *codecs = ctx->dev->devtype->codecs;
> + const struct coda_fmt *formats = coda_formats;
> + const struct coda_fmt *fmt;
> int num_codecs = ctx->dev->devtype->num_codecs;
> int num_formats = ARRAY_SIZE(coda_formats);
> int i, k, num = 0;
> @@ -621,7 +621,7 @@ static int coda_g_fmt(struct file *file, void *priv,
> return 0;
> }
>
> -static int coda_try_fmt(struct coda_ctx *ctx, struct coda_codec *codec,
> +static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
> struct v4l2_format *f)
> {
> struct coda_dev *dev = ctx->dev;
> @@ -685,7 +685,7 @@ static int coda_try_fmt_vid_cap(struct file *file, void
> *priv,
> struct v4l2_format *f)
> {
> struct coda_ctx *ctx = fh_to_ctx(priv);
> - struct coda_codec *codec = NULL;
> + const struct coda_codec *codec = NULL;
> struct vb2_queue *src_vq;
> int ret;
>
> @@ -733,7 +733,7 @@ static int coda_try_fmt_vid_out(struct file *file, void
> *priv,
> struct v4l2_format *f)
> {
> struct coda_ctx *ctx = fh_to_ctx(priv);
> - struct coda_codec *codec;
> + const struct coda_codec *codec;
>
> /* Determine codec by encoded format, returns NULL if raw or invalid */
> codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
> @@ -1531,7 +1531,7 @@ static void coda_unlock(void *m2m_priv)
> mutex_unlock(&pcdev->dev_mutex);
> }
>
> -static struct v4l2_m2m_ops coda_m2m_ops = {
> +static const struct v4l2_m2m_ops coda_m2m_ops = {
> .device_run = coda_device_run,
> .job_ready = coda_job_ready,
> .job_abort = coda_job_abort,
> @@ -2805,7 +2805,7 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
> return 0;
> }
>
> -static struct v4l2_ctrl_ops coda_ctrl_ops = {
> +static const struct v4l2_ctrl_ops coda_ctrl_ops = {
> .s_ctrl = coda_s_ctrl,
> };
>
>
--
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