From: Julia Lawall <Julia.Lawall@lip6.fr> To: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: kernel-janitors@vger.kernel.org, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/7] ASoC: atmel_wm8904: constify snd_soc_ops structures Date: Sat, 15 Oct 2016 16:55:46 +0200 [thread overview] Message-ID: <1476543351-17858-3-git-send-email-Julia.Lawall@lip6.fr> (raw) In-Reply-To: <1476543351-17858-1-git-send-email-Julia.Lawall@lip6.fr> 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 file is shown by the following output of the size command, first before then after the transformation: text data bss dec hex filename 2611 1536 0 4147 1033 sound/soc/atmel/atmel_wm8904.o 2675 1480 0 4155 103b sound/soc/atmel/atmel_wm8904.o Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- sound/soc/atmel/atmel_wm8904.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/sound/soc/atmel/atmel_wm8904.c b/sound/soc/atmel/atmel_wm8904.c --- a/sound/soc/atmel/atmel_wm8904.c +++ b/sound/soc/atmel/atmel_wm8904.c @@ -53,7 +53,7 @@ static int atmel_asoc_wm8904_hw_params(s return 0; } -static struct snd_soc_ops atmel_asoc_wm8904_ops = { +static const struct snd_soc_ops atmel_asoc_wm8904_ops = { .hw_params = atmel_asoc_wm8904_hw_params, };
WARNING: multiple messages have this Message-ID (diff)
From: Julia Lawall <Julia.Lawall@lip6.fr> To: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: kernel-janitors@vger.kernel.org, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/7] ASoC: atmel_wm8904: constify snd_soc_ops structures Date: Sat, 15 Oct 2016 14:55:46 +0000 [thread overview] Message-ID: <1476543351-17858-3-git-send-email-Julia.Lawall@lip6.fr> (raw) In-Reply-To: <1476543351-17858-1-git-send-email-Julia.Lawall@lip6.fr> 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 file is shown by the following output of the size command, first before then after the transformation: text data bss dec hex filename 2611 1536 0 4147 1033 sound/soc/atmel/atmel_wm8904.o 2675 1480 0 4155 103b sound/soc/atmel/atmel_wm8904.o Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- sound/soc/atmel/atmel_wm8904.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/sound/soc/atmel/atmel_wm8904.c b/sound/soc/atmel/atmel_wm8904.c --- a/sound/soc/atmel/atmel_wm8904.c +++ b/sound/soc/atmel/atmel_wm8904.c @@ -53,7 +53,7 @@ static int atmel_asoc_wm8904_hw_params(s return 0; } -static struct snd_soc_ops atmel_asoc_wm8904_ops = { +static const struct snd_soc_ops atmel_asoc_wm8904_ops = { .hw_params = atmel_asoc_wm8904_hw_params, };
next prev parent reply other threads:[~2016-10-15 15:15 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-15 14:55 [PATCH 0/7] constify snd_soc_ops structures Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-15 14:55 ` [PATCH 1/7] ASoC: intel: broadwell: " Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-17 2:22 ` [alsa-devel] " Keyon Jie 2016-10-17 2:22 ` Keyon Jie 2016-10-24 18:01 ` Applied "ASoC: intel: broadwell: constify snd_soc_ops structures" to the asoc tree Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-15 14:55 ` Julia Lawall [this message] 2016-10-15 14:55 ` [PATCH 2/7] ASoC: atmel_wm8904: constify snd_soc_ops structures Julia Lawall 2016-10-18 8:13 ` Nicolas Ferre 2016-10-18 8:13 ` Nicolas Ferre 2016-10-18 8:13 ` Nicolas Ferre 2016-10-24 18:01 ` Applied "ASoC: atmel_wm8904: constify snd_soc_ops structures" to the asoc tree Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-15 14:55 ` [PATCH 3/7] ASoC: rockchip: constify snd_soc_ops structures Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-24 18:01 ` Applied "ASoC: rockchip: constify snd_soc_ops structures" to the asoc tree Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-15 14:55 ` [PATCH 4/7] ASoC: qcom: storm: constify snd_soc_ops structures Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-24 18:01 ` Applied "ASoC: qcom: storm: constify snd_soc_ops structures" to the asoc tree Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-15 14:55 ` [PATCH 5/7] ASoC: constify snd_soc_ops structures Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-24 17:34 ` Mark Brown 2016-10-24 17:34 ` Mark Brown 2016-10-24 19:48 ` Julia Lawall 2016-10-24 19:48 ` Julia Lawall 2016-10-25 5:55 ` Julia Lawall 2016-10-25 5:55 ` Julia Lawall 2016-10-25 8:04 ` Joe Perches 2016-10-25 8:04 ` Joe Perches 2016-10-25 8:39 ` Julia Lawall 2016-10-25 8:39 ` Julia Lawall 2016-10-25 14:08 ` Mark Brown 2016-10-25 14:08 ` Mark Brown 2016-10-15 14:55 ` [PATCH 6/7] " Julia Lawall 2016-10-15 14:55 ` Julia Lawall 2016-10-24 18:01 ` Applied "ASoC: constify snd_soc_ops structures" to the asoc tree Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-15 14:55 ` [PATCH 7/7] ASoC: tegra: constify snd_soc_ops structures Julia Lawall 2016-10-15 14:55 ` Julia Lawall [not found] ` <1476543351-17858-8-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org> 2016-10-24 18:01 ` Applied "ASoC: tegra: constify snd_soc_ops structures" to the asoc tree Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown 2016-10-24 18:01 ` Mark Brown
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