From 814c376255f2fed2c3120f04486f68fe0c286002 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Fri, 18 Jul 2014 07:22:45 -0300 Subject: [PATCH] [media] coda: mark constant structures as such The format and codec lists and the ops structures are read-only. Mark them as const. Acked-by: Hans Verkuil Signed-off-by: Philipp Zabel Signed-off-by: Kamil Debski Signed-off-by: Mauro Carvalho Chehab --- 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 b18814ebcd20..594b0c7c4151 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; @@ -683,7 +683,7 @@ 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; @@ -731,7 +731,7 @@ 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, @@ -1529,7 +1529,7 @@ 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, @@ -2799,7 +2799,7 @@ 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, }; -- 2.20.1