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Subject[PATCH 5/7] ASoC: constify snd_soc_ops structures
Date
Check for snd_soc_ops structures that are only stored in the ops field of a
snd_soc_dai_link structure. This field is declared const, so snd_soc_ops
structures that have this property can be declared as const also.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct snd_soc_ops i@p = { ... };

@ok1@
identifier r.i;
struct snd_soc_dai_link e;
position p;
@@
e.ops = &i@p;

@ok2@
identifier r.i, e;
position p;
@@
struct snd_soc_dai_link e[] = { ..., { .ops = &i@p, }, ..., };

@bad@
position p != {r.p,ok1.p,ok2.p};
identifier r.i;
struct snd_soc_ops e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct snd_soc_ops i = { ... };
// </smpl>

The effect on the layout of the .o files is shown by the following output
of the size command, first before then after the transformation:

text data bss dec hex filename
4500 696 0 5196 144c sound/soc/generic/simple-card.o
4564 632 0 5196 144c sound/soc/generic/simple-card.o

text data bss dec hex filename
3018 608 0 3626 e2a sound/soc/generic/simple-scu-card.o
3074 544 0 3618 e22 sound/soc/generic/simple-scu-card.o

text data bss dec hex filename
4148 2448 768 7364 1cc4 sound/soc/intel/boards/bdw-rt5677.o
4212 2384 768 7364 1cc4 sound/soc/intel/boards/bdw-rt5677.o

text data bss dec hex filename
5403 4628 384 10415 28af sound/soc/intel/boards/bxt_da7219_max98357a.o
5531 4516 384 10431 28bf sound/soc/intel/boards/bxt_da7219_max98357a.o

text data bss dec hex filename
5275 4496 384 10155 27ab sound/soc/intel/boards/bxt_rt298.o
5403 4368 384 10155 27ab sound/soc/intel/boards/bxt_rt298.o

text data bss dec hex filename
10017 2344 48 12409 3079 sound/soc/intel/boards/bytcr_rt5640.o
10145 2232 48 12425 3089 sound/soc/intel/boards/bytcr_rt5640.o

text data bss dec hex filename
3719 2356 0 6075 17bb sound/soc/intel/boards/bytcr_rt5651.o
3847 2244 0 6091 17cb sound/soc/intel/boards/bytcr_rt5651.o

text data bss dec hex filename
3598 2392 0 5990 1766 sound/soc/intel/boards/cht_bsw_max98090_ti.o
3726 2280 0 6006 1776 sound/soc/intel/boards/cht_bsw_max98090_ti.o

text data bss dec hex filename
5343 3624 16 8983 2317 sound/soc/intel/boards/cht_bsw_rt5645.o
5471 3496 16 8983 2317 sound/soc/intel/boards/cht_bsw_rt5645.o

text data bss dec hex filename
4662 2592 384 7638 1dd6 sound/soc/intel/boards/cht_bsw_rt5672.o
4790 2464 384 7638 1dd6 sound/soc/intel/boards/cht_bsw_rt5672.o

text data bss dec hex filename
1595 2528 0 4123 101b sound/soc/intel/boards/haswell.o
1659 2472 0 4131 1023 sound/soc/intel/boards/haswell.o

text data bss dec hex filename
6272 4760 416 11448 2cb8 sound/soc/intel/boards/skl_nau88l25_max98357a.o
6464 4568 416 11448 2cb8 sound/soc/intel/boards/skl_nau88l25_max98357a.o

text data bss dec hex filename
7075 4888 416 12379 305b sound/soc/intel/boards/skl_nau88l25_ssm4567.o
7267 4696 416 12379 305b sound/soc/intel/boards/skl_nau88l25_ssm4567.o

text data bss dec hex filename
5659 4496 384 10539 292b sound/soc/intel/boards/skl_rt286.o
5787 4368 384 10539 292b sound/soc/intel/boards/skl_rt286.o

text data bss dec hex filename
1721 2048 0 3769 eb9 sound/soc/kirkwood/armada-370-db.o
1769 1976 0 3745 ea1 sound/soc/kirkwood/armada-370-db.o

text data bss dec hex filename
1363 1792 0 3155 c53 sound/soc/mxs/mxs-sgtl5000.o
1427 1728 0 3155 c53 sound/soc/mxs/mxs-sgtl5000.o

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
sound/soc/generic/simple-card.c | 2 +-
sound/soc/generic/simple-scu-card.c | 2 +-
sound/soc/intel/boards/bdw-rt5677.c | 2 +-
sound/soc/intel/boards/bxt_da7219_max98357a.c | 4 ++--
sound/soc/intel/boards/bxt_rt298.c | 4 ++--
sound/soc/intel/boards/bytcr_rt5640.c | 4 ++--
sound/soc/intel/boards/bytcr_rt5651.c | 4 ++--
sound/soc/intel/boards/cht_bsw_max98090_ti.c | 4 ++--
sound/soc/intel/boards/cht_bsw_rt5645.c | 4 ++--
sound/soc/intel/boards/cht_bsw_rt5672.c | 4 ++--
sound/soc/intel/boards/haswell.c | 2 +-
sound/soc/intel/boards/skl_nau88l25_max98357a.c | 6 +++---
sound/soc/intel/boards/skl_nau88l25_ssm4567.c | 6 +++---
sound/soc/intel/boards/skl_rt286.c | 4 ++--
sound/soc/kirkwood/armada-370-db.c | 2 +-
sound/soc/mxs/mxs-sgtl5000.c | 2 +-
16 files changed, 28 insertions(+), 28 deletions(-)

diff -u -p a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -174,7 +174,7 @@ err:
return ret;
}

-static struct snd_soc_ops asoc_simple_card_ops = {
+static const struct snd_soc_ops asoc_simple_card_ops = {
.startup = asoc_simple_card_startup,
.shutdown = asoc_simple_card_shutdown,
.hw_params = asoc_simple_card_hw_params,
diff -u -p a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c
--- a/sound/soc/generic/simple-scu-card.c
+++ b/sound/soc/generic/simple-scu-card.c
@@ -59,7 +59,7 @@ static void asoc_simple_card_shutdown(st
clk_disable_unprepare(dai_props->clk);
}

-static struct snd_soc_ops asoc_simple_card_ops = {
+static const struct snd_soc_ops asoc_simple_card_ops = {
.startup = asoc_simple_card_startup,
.shutdown = asoc_simple_card_shutdown,
};
diff -u -p a/sound/soc/kirkwood/armada-370-db.c b/sound/soc/kirkwood/armada-370-db.c
--- a/sound/soc/kirkwood/armada-370-db.c
+++ b/sound/soc/kirkwood/armada-370-db.c
@@ -42,7 +42,7 @@ static int a370db_hw_params(struct snd_p
return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
}

-static struct snd_soc_ops a370db_ops = {
+static const struct snd_soc_ops a370db_ops = {
.hw_params = a370db_hw_params,
};

diff -u -p a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -68,7 +68,7 @@ static int mxs_sgtl5000_hw_params(struct
return 0;
}

-static struct snd_soc_ops mxs_sgtl5000_hifi_ops = {
+static const struct snd_soc_ops mxs_sgtl5000_hifi_ops = {
.hw_params = mxs_sgtl5000_hw_params,
};

diff -u -p a/sound/soc/intel/boards/bdw-rt5677.c b/sound/soc/intel/boards/bdw-rt5677.c
--- a/sound/soc/intel/boards/bdw-rt5677.c
+++ b/sound/soc/intel/boards/bdw-rt5677.c
@@ -156,7 +156,7 @@ static int bdw_rt5677_hw_params(struct s
return ret;
}

-static struct snd_soc_ops bdw_rt5677_ops = {
+static const struct snd_soc_ops bdw_rt5677_ops = {
.hw_params = bdw_rt5677_hw_params,
};

diff -u -p a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c
--- a/sound/soc/intel/boards/bxt_da7219_max98357a.c
+++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c
@@ -248,7 +248,7 @@ static int broxton_da7219_hw_free(struct
return ret;
}

-static struct snd_soc_ops broxton_da7219_ops = {
+static const struct snd_soc_ops broxton_da7219_ops = {
.hw_params = broxton_da7219_hw_params,
.hw_free = broxton_da7219_hw_free,
};
@@ -295,7 +295,7 @@ static int broxton_refcap_startup(struct
&constraints_16000);
};

-static struct snd_soc_ops broxton_refcap_ops = {
+static const struct snd_soc_ops broxton_refcap_ops = {
.startup = broxton_refcap_startup,
};

diff -u -p a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c
--- a/sound/soc/intel/boards/bxt_rt298.c
+++ b/sound/soc/intel/boards/bxt_rt298.c
@@ -181,7 +181,7 @@ static int broxton_rt298_hw_params(struc
return ret;
}

-static struct snd_soc_ops broxton_rt298_ops = {
+static const struct snd_soc_ops broxton_rt298_ops = {
.hw_params = broxton_rt298_hw_params,
};

@@ -230,7 +230,7 @@ static int broxton_dmic_startup(struct s
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}

-static struct snd_soc_ops broxton_dmic_ops = {
+static const struct snd_soc_ops broxton_dmic_ops = {
.startup = broxton_dmic_startup,
};

diff -u -p a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -597,11 +597,11 @@ static int byt_rt5640_aif1_startup(struc
SNDRV_PCM_HW_PARAM_RATE, 48000);
}

-static struct snd_soc_ops byt_rt5640_aif1_ops = {
+static const struct snd_soc_ops byt_rt5640_aif1_ops = {
.startup = byt_rt5640_aif1_startup,
};

-static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
+static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
.hw_params = byt_rt5640_aif1_hw_params,
};

diff -u -p a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -219,11 +219,11 @@ static int byt_rt5651_aif1_startup(struc
&constraints_48000);
}

-static struct snd_soc_ops byt_rt5651_aif1_ops = {
+static const struct snd_soc_ops byt_rt5651_aif1_ops = {
.startup = byt_rt5651_aif1_startup,
};

-static struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
+static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
.hw_params = byt_rt5651_aif1_hw_params,
};

diff -u -p a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -204,11 +204,11 @@ static int cht_max98090_headset_init(str
return ts3a227e_enable_jack_detect(component, &ctx->jack);
}

-static struct snd_soc_ops cht_aif1_ops = {
+static const struct snd_soc_ops cht_aif1_ops = {
.startup = cht_aif1_startup,
};

-static struct snd_soc_ops cht_be_ssp2_ops = {
+static const struct snd_soc_ops cht_be_ssp2_ops = {
.hw_params = cht_aif1_hw_params,
};

diff -u -p a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c
--- a/sound/soc/intel/boards/cht_bsw_rt5645.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -250,11 +250,11 @@ static int cht_aif1_startup(struct snd_p
SNDRV_PCM_HW_PARAM_RATE, 48000);
}

-static struct snd_soc_ops cht_aif1_ops = {
+static const struct snd_soc_ops cht_aif1_ops = {
.startup = cht_aif1_startup,
};

-static struct snd_soc_ops cht_be_ssp2_ops = {
+static const struct snd_soc_ops cht_be_ssp2_ops = {
.hw_params = cht_aif1_hw_params,
};

diff -u -p a/sound/soc/intel/boards/cht_bsw_rt5672.c b/sound/soc/intel/boards/cht_bsw_rt5672.c
--- a/sound/soc/intel/boards/cht_bsw_rt5672.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5672.c
@@ -225,11 +225,11 @@ static int cht_aif1_startup(struct snd_p
SNDRV_PCM_HW_PARAM_RATE, 48000);
}

-static struct snd_soc_ops cht_aif1_ops = {
+static const struct snd_soc_ops cht_aif1_ops = {
.startup = cht_aif1_startup,
};

-static struct snd_soc_ops cht_be_ssp2_ops = {
+static const struct snd_soc_ops cht_be_ssp2_ops = {
.hw_params = cht_aif1_hw_params,
};

diff -u -p a/sound/soc/intel/boards/haswell.c b/sound/soc/intel/boards/haswell.c
--- a/sound/soc/intel/boards/haswell.c
+++ b/sound/soc/intel/boards/haswell.c
@@ -81,7 +81,7 @@ static int haswell_rt5640_hw_params(stru
return ret;
}

-static struct snd_soc_ops haswell_rt5640_ops = {
+static const struct snd_soc_ops haswell_rt5640_ops = {
.hw_params = haswell_rt5640_hw_params,
};

diff -u -p a/sound/soc/intel/boards/skl_nau88l25_max98357a.c b/sound/soc/intel/boards/skl_nau88l25_max98357a.c
--- a/sound/soc/intel/boards/skl_nau88l25_max98357a.c
+++ b/sound/soc/intel/boards/skl_nau88l25_max98357a.c
@@ -332,7 +332,7 @@ static int skylake_nau8825_hw_params(str
return ret;
}

-static struct snd_soc_ops skylake_nau8825_ops = {
+static const struct snd_soc_ops skylake_nau8825_ops = {
.hw_params = skylake_nau8825_hw_params,
};

@@ -382,7 +382,7 @@ static int skylake_dmic_startup(struct s
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}

-static struct snd_soc_ops skylake_dmic_ops = {
+static const struct snd_soc_ops skylake_dmic_ops = {
.startup = skylake_dmic_startup,
};

@@ -416,7 +416,7 @@ static int skylake_refcap_startup(struct
&constraints_16000);
}

-static struct snd_soc_ops skylaye_refcap_ops = {
+static const struct snd_soc_ops skylaye_refcap_ops = {
.startup = skylake_refcap_startup,
};

diff -u -p a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c
--- a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c
+++ b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c
@@ -394,7 +394,7 @@ static int skylake_nau8825_hw_params(str
return ret;
}

-static struct snd_soc_ops skylake_nau8825_ops = {
+static const struct snd_soc_ops skylake_nau8825_ops = {
.hw_params = skylake_nau8825_hw_params,
};

@@ -430,7 +430,7 @@ static int skylake_dmic_startup(struct s
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}

-static struct snd_soc_ops skylake_dmic_ops = {
+static const struct snd_soc_ops skylake_dmic_ops = {
.startup = skylake_dmic_startup,
};

@@ -464,7 +464,7 @@ static int skylake_refcap_startup(struct
&constraints_16000);
}

-static struct snd_soc_ops skylaye_refcap_ops = {
+static const struct snd_soc_ops skylaye_refcap_ops = {
.startup = skylake_refcap_startup,
};

diff -u -p a/sound/soc/intel/boards/skl_rt286.c b/sound/soc/intel/boards/skl_rt286.c
--- a/sound/soc/intel/boards/skl_rt286.c
+++ b/sound/soc/intel/boards/skl_rt286.c
@@ -250,7 +250,7 @@ static int skylake_rt286_hw_params(struc
return ret;
}

-static struct snd_soc_ops skylake_rt286_ops = {
+static const struct snd_soc_ops skylake_rt286_ops = {
.hw_params = skylake_rt286_hw_params,
};

@@ -289,7 +289,7 @@ static int skylake_dmic_startup(struct s
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}

-static struct snd_soc_ops skylake_dmic_ops = {
+static const struct snd_soc_ops skylake_dmic_ops = {
.startup = skylake_dmic_startup,
};

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