From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
[ Upstream commit e8cc4c0bc2a660fed4ad57be6635d88ccc490a05 ]
Static "s5p_mfc_buf_size*" structures are not modified by the driver, so they can be made const for code safety.
Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Reviewed-by: Aakarsh Jain aakarsh.jain@samsung.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Stable-dep-of: 7fa37ba25a1d ("media: s5p-mfc: remove an unused/uninitialized variable") Signed-off-by: Sasha Levin sashal@kernel.org --- .../media/platform/samsung/s5p-mfc/s5p_mfc.c | 20 +++++++++---------- .../platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c | 2 +- .../platform/samsung/s5p-mfc/s5p_mfc_common.h | 4 ++-- .../platform/samsung/s5p-mfc/s5p_mfc_dec.c | 2 +- .../platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c | 6 +++--- .../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 6 +++--- 6 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c index e30e54935d79a..6af7b812c5df1 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c @@ -1516,14 +1516,14 @@ static const struct dev_pm_ops s5p_mfc_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(s5p_mfc_suspend, s5p_mfc_resume) };
-static struct s5p_mfc_buf_size_v5 mfc_buf_size_v5 = { +static const struct s5p_mfc_buf_size_v5 mfc_buf_size_v5 = { .h264_ctx = MFC_H264_CTX_BUF_SIZE, .non_h264_ctx = MFC_CTX_BUF_SIZE, .dsc = DESC_BUF_SIZE, .shm = SHARED_BUF_SIZE, };
-static struct s5p_mfc_buf_size buf_size_v5 = { +static const struct s5p_mfc_buf_size buf_size_v5 = { .fw = MAX_FW_SIZE, .cpb = MAX_CPB_SIZE, .priv = &mfc_buf_size_v5, @@ -1540,7 +1540,7 @@ static struct s5p_mfc_variant mfc_drvdata_v5 = { .use_clock_gating = true, };
-static struct s5p_mfc_buf_size_v6 mfc_buf_size_v6 = { +static const struct s5p_mfc_buf_size_v6 mfc_buf_size_v6 = { .dev_ctx = MFC_CTX_BUF_SIZE_V6, .h264_dec_ctx = MFC_H264_DEC_CTX_BUF_SIZE_V6, .other_dec_ctx = MFC_OTHER_DEC_CTX_BUF_SIZE_V6, @@ -1548,7 +1548,7 @@ static struct s5p_mfc_buf_size_v6 mfc_buf_size_v6 = { .other_enc_ctx = MFC_OTHER_ENC_CTX_BUF_SIZE_V6, };
-static struct s5p_mfc_buf_size buf_size_v6 = { +static const struct s5p_mfc_buf_size buf_size_v6 = { .fw = MAX_FW_SIZE_V6, .cpb = MAX_CPB_SIZE_V6, .priv = &mfc_buf_size_v6, @@ -1569,7 +1569,7 @@ static struct s5p_mfc_variant mfc_drvdata_v6 = { .num_clocks = 1, };
-static struct s5p_mfc_buf_size_v6 mfc_buf_size_v7 = { +static const struct s5p_mfc_buf_size_v6 mfc_buf_size_v7 = { .dev_ctx = MFC_CTX_BUF_SIZE_V7, .h264_dec_ctx = MFC_H264_DEC_CTX_BUF_SIZE_V7, .other_dec_ctx = MFC_OTHER_DEC_CTX_BUF_SIZE_V7, @@ -1577,7 +1577,7 @@ static struct s5p_mfc_buf_size_v6 mfc_buf_size_v7 = { .other_enc_ctx = MFC_OTHER_ENC_CTX_BUF_SIZE_V7, };
-static struct s5p_mfc_buf_size buf_size_v7 = { +static const struct s5p_mfc_buf_size buf_size_v7 = { .fw = MAX_FW_SIZE_V7, .cpb = MAX_CPB_SIZE_V7, .priv = &mfc_buf_size_v7, @@ -1603,7 +1603,7 @@ static struct s5p_mfc_variant mfc_drvdata_v7_3250 = { .num_clocks = 2, };
-static struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = { +static const struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = { .dev_ctx = MFC_CTX_BUF_SIZE_V8, .h264_dec_ctx = MFC_H264_DEC_CTX_BUF_SIZE_V8, .other_dec_ctx = MFC_OTHER_DEC_CTX_BUF_SIZE_V8, @@ -1611,7 +1611,7 @@ static struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = { .other_enc_ctx = MFC_OTHER_ENC_CTX_BUF_SIZE_V8, };
-static struct s5p_mfc_buf_size buf_size_v8 = { +static const struct s5p_mfc_buf_size buf_size_v8 = { .fw = MAX_FW_SIZE_V8, .cpb = MAX_CPB_SIZE_V8, .priv = &mfc_buf_size_v8, @@ -1637,7 +1637,7 @@ static struct s5p_mfc_variant mfc_drvdata_v8_5433 = { .num_clocks = 3, };
-static struct s5p_mfc_buf_size_v6 mfc_buf_size_v10 = { +static const struct s5p_mfc_buf_size_v6 mfc_buf_size_v10 = { .dev_ctx = MFC_CTX_BUF_SIZE_V10, .h264_dec_ctx = MFC_H264_DEC_CTX_BUF_SIZE_V10, .other_dec_ctx = MFC_OTHER_DEC_CTX_BUF_SIZE_V10, @@ -1646,7 +1646,7 @@ static struct s5p_mfc_buf_size_v6 mfc_buf_size_v10 = { .other_enc_ctx = MFC_OTHER_ENC_CTX_BUF_SIZE_V10, };
-static struct s5p_mfc_buf_size buf_size_v10 = { +static const struct s5p_mfc_buf_size buf_size_v10 = { .fw = MAX_FW_SIZE_V10, .cpb = MAX_CPB_SIZE_V10, .priv = &mfc_buf_size_v10, diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c index f8588e52dfc82..25c4719a5dd05 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c @@ -32,7 +32,7 @@ static int s5p_mfc_cmd_host2risc_v6(struct s5p_mfc_dev *dev, int cmd, static int s5p_mfc_sys_init_cmd_v6(struct s5p_mfc_dev *dev) { struct s5p_mfc_cmd_args h2r_args; - struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; + const struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; int ret;
ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev); diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h index f33a755327ef0..6a47f3434c60d 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h @@ -219,14 +219,14 @@ struct s5p_mfc_buf_size_v6 { struct s5p_mfc_buf_size { unsigned int fw; unsigned int cpb; - void *priv; + const void *priv; };
struct s5p_mfc_variant { unsigned int version; unsigned int port_num; u32 version_bit; - struct s5p_mfc_buf_size *buf_size; + const struct s5p_mfc_buf_size *buf_size; const char *fw_name[MFC_FW_MAX_VERSIONS]; const char *clk_names[MFC_MAX_CLOCKS]; int num_clocks; diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_dec.c index 268ffe4da53c0..4dbe8792ac3d7 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_dec.c @@ -426,7 +426,7 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); int ret = 0; struct v4l2_pix_format_mplane *pix_mp; - struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size; + const struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
mfc_debug_enter(); ret = vidioc_try_fmt(file, priv, f); diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c index 28a06dc343fd5..13a3ff55e5479 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c @@ -34,7 +34,7 @@ static int s5p_mfc_alloc_dec_temp_buffers_v5(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; - struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; + const struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; int ret;
ctx->dsc.size = buf_size->dsc; @@ -200,7 +200,7 @@ static void s5p_mfc_release_codec_buffers_v5(struct s5p_mfc_ctx *ctx) static int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; - struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; + const struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; int ret;
if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC || @@ -345,7 +345,7 @@ static void s5p_mfc_enc_calc_src_size_v5(struct s5p_mfc_ctx *ctx) static void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; - struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv; + const struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
mfc_write(dev, OFFSETA(ctx->dsc.dma), S5P_FIMV_SI_CH0_DESC_ADR); mfc_write(dev, buf_size->dsc, S5P_FIMV_SI_CH0_DESC_SIZE); diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c index c0df5ac9fcff2..70a62400908ed 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c @@ -333,7 +333,7 @@ static void s5p_mfc_release_codec_buffers_v6(struct s5p_mfc_ctx *ctx) static int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; - struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; + const struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; int ret;
mfc_debug_enter(); @@ -393,7 +393,7 @@ static void s5p_mfc_release_instance_buffer_v6(struct s5p_mfc_ctx *ctx) /* Allocate context buffers for SYS_INIT */ static int s5p_mfc_alloc_dev_context_buffer_v6(struct s5p_mfc_dev *dev) { - struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; + const struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv; int ret;
mfc_debug_enter(); @@ -493,7 +493,7 @@ static int s5p_mfc_set_dec_stream_buffer_v6(struct s5p_mfc_ctx *ctx, { struct s5p_mfc_dev *dev = ctx->dev; const struct s5p_mfc_regs *mfc_regs = dev->mfc_regs; - struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size; + const struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
mfc_debug_enter(); mfc_debug(2, "inst_no: %d, buf_addr: 0x%08x,\n"