From patchwork Thu Sep 8 00:35:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 9320259 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8889C6077F for ; Thu, 8 Sep 2016 00:56:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 90A1C2946E for ; Thu, 8 Sep 2016 00:56:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 83F9129477; Thu, 8 Sep 2016 00:56:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 89CD72946E for ; Thu, 8 Sep 2016 00:56:08 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id CB48E2669BF; Thu, 8 Sep 2016 02:56:06 +0200 (CEST) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 3CE652664B3; Thu, 8 Sep 2016 02:53:38 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 10D1A266966; Thu, 8 Sep 2016 02:53:29 +0200 (CEST) Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by alsa0.perex.cz (Postfix) with ESMTP id E53602664B3 for ; Thu, 8 Sep 2016 02:53:26 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.30,298,1470693600"; d="scan'208";a="192423189" Received: from palace.rsr.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/AES128-SHA256; 08 Sep 2016 02:53:25 +0200 From: Julia Lawall To: Takashi Iwai Date: Thu, 8 Sep 2016 02:35:23 +0200 Message-Id: <1473294923-24220-1-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 Cc: Oder Chiou , alsa-devel@alsa-project.org, Banajit Goswami , Timur Tabi , Liam Girdwood , Jie Yang , Patrick Lai , Xiubo Li , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Nicolas Ferre , Nicolin Chen , Mark Brown , Fabio Estevam , Bard Liao , linuxppc-dev@lists.ozlabs.org Subject: [alsa-devel] [PATCH] ASoC: constify snd_pcm_ops structures X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Check for snd_pcm_ops structures that are only stored in the ops field of a snd_soc_platform_driver structure or passed as the third argument to snd_pcm_set_ops. The corresponding field or parameter is declared const, so snd_pcm_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/) // @r disable optional_qualifier@ identifier i; position p; @@ static struct snd_pcm_ops i@p = { ... }; @ok1@ identifier r.i; struct snd_soc_platform_driver e; position p; @@ e.ops = &i@p; @ok2@ identifier r.i; expression e1, e2; position p; @@ snd_pcm_set_ops(e1, e2, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; struct snd_pcm_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct snd_pcm_ops i = { ... }; // Signed-off-by: Julia Lawall --- sound/soc/amd/acp-pcm-dma.c | 2 +- sound/soc/atmel/atmel-pcm-pdc.c | 2 +- sound/soc/codecs/rt5514-spi.c | 2 +- sound/soc/fsl/fsl_asrc_dma.c | 2 +- sound/soc/intel/atom/sst-mfld-platform-pcm.c | 2 +- sound/soc/intel/haswell/sst-haswell-pcm.c | 2 +- sound/soc/intel/skylake/skl-pcm.c | 2 +- sound/soc/kirkwood/kirkwood-dma.c | 2 +- sound/soc/qcom/lpass-platform.c | 2 +- sound/soc/soc-utils.c | 2 +- 10 files changed, 10 insertions(+), 10 deletions(-) diff --git a/sound/soc/intel/haswell/sst-haswell-pcm.c b/sound/soc/intel/haswell/sst-haswell-pcm.c index 3154525..9e4094e 100644 --- a/sound/soc/intel/haswell/sst-haswell-pcm.c +++ b/sound/soc/intel/haswell/sst-haswell-pcm.c @@ -871,7 +871,7 @@ out: return ret; } -static struct snd_pcm_ops hsw_pcm_ops = { +static const struct snd_pcm_ops hsw_pcm_ops = { .open = hsw_pcm_open, .close = hsw_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/soc/atmel/atmel-pcm-pdc.c b/sound/soc/atmel/atmel-pcm-pdc.c index da861b4..91b7069 100644 --- a/sound/soc/atmel/atmel-pcm-pdc.c +++ b/sound/soc/atmel/atmel-pcm-pdc.c @@ -381,7 +381,7 @@ static int atmel_pcm_close(struct snd_pcm_substream *substream) return 0; } -static struct snd_pcm_ops atmel_pcm_ops = { +static const struct snd_pcm_ops atmel_pcm_ops = { .open = atmel_pcm_open, .close = atmel_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index a144c14..e2ff538 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -372,7 +372,7 @@ static int lpass_platform_pcmops_mmap(struct snd_pcm_substream *substream, runtime->dma_bytes); } -static struct snd_pcm_ops lpass_platform_pcm_ops = { +static const struct snd_pcm_ops lpass_platform_pcm_ops = { .open = lpass_platform_pcmops_open, .ioctl = snd_pcm_lib_ioctl, .hw_params = lpass_platform_pcmops_hw_params, diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c index 77ff8eb..09103aa 100644 --- a/sound/soc/codecs/rt5514-spi.c +++ b/sound/soc/codecs/rt5514-spi.c @@ -236,7 +236,7 @@ static snd_pcm_uframes_t rt5514_spi_pcm_pointer( return bytes_to_frames(runtime, rt5514_dsp->dma_offset); } -static struct snd_pcm_ops rt5514_spi_pcm_ops = { +static const struct snd_pcm_ops rt5514_spi_pcm_ops = { .open = rt5514_spi_pcm_open, .hw_params = rt5514_spi_hw_params, .hw_free = rt5514_spi_hw_free, diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index d1fb035..504c7cd 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -897,7 +897,7 @@ static int acp_dma_close(struct snd_pcm_substream *substream) return 0; } -static struct snd_pcm_ops acp_dma_ops = { +static const struct snd_pcm_ops acp_dma_ops = { .open = acp_dma_open, .close = acp_dma_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c index 52ed434..25c6d87 100644 --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -670,7 +670,7 @@ static snd_pcm_uframes_t sst_platform_pcm_pointer return str_info->buffer_ptr; } -static struct snd_pcm_ops sst_platform_ops = { +static const struct snd_pcm_ops sst_platform_ops = { .open = sst_platform_open, .ioctl = snd_pcm_lib_ioctl, .trigger = sst_platform_pcm_trigger, diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index 77bfd40..86c125f 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -1093,7 +1093,7 @@ static int skl_get_time_info(struct snd_pcm_substream *substream, return 0; } -static struct snd_pcm_ops skl_platform_ops = { +static const struct snd_pcm_ops skl_platform_ops = { .open = skl_platform_open, .ioctl = snd_pcm_lib_ioctl, .trigger = skl_platform_pcm_trigger, diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c index dbfdfe9..dafd22e 100644 --- a/sound/soc/kirkwood/kirkwood-dma.c +++ b/sound/soc/kirkwood/kirkwood-dma.c @@ -242,7 +242,7 @@ static snd_pcm_uframes_t kirkwood_dma_pointer(struct snd_pcm_substream return count; } -static struct snd_pcm_ops kirkwood_dma_ops = { +static const struct snd_pcm_ops kirkwood_dma_ops = { .open = kirkwood_dma_open, .close = kirkwood_dma_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index 53dd085..393e8f0 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -80,7 +80,7 @@ static int dummy_dma_open(struct snd_pcm_substream *substream) return 0; } -static struct snd_pcm_ops dummy_dma_ops = { +static const struct snd_pcm_ops dummy_dma_ops = { .open = dummy_dma_open, .ioctl = snd_pcm_lib_ioctl, }; diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index ffc000b..dc30d78 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -322,7 +322,7 @@ static snd_pcm_uframes_t fsl_asrc_dma_pcm_pointer(struct snd_pcm_substream *subs return bytes_to_frames(substream->runtime, pair->pos); } -static struct snd_pcm_ops fsl_asrc_dma_pcm_ops = { +static const struct snd_pcm_ops fsl_asrc_dma_pcm_ops = { .ioctl = snd_pcm_lib_ioctl, .hw_params = fsl_asrc_dma_hw_params, .hw_free = fsl_asrc_dma_hw_free,