From patchwork Thu Jul 15 07:59:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 12379289 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3AABC07E96 for ; Thu, 15 Jul 2021 08:16:57 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1BAA761183 for ; Thu, 15 Jul 2021 08:16:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BAA761183 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id B16A71745; Thu, 15 Jul 2021 10:16:05 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B16A71745 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1626337015; bh=ojY2ns22gNmIbiSZuqC8tDbBP8YD7wZupaSJwoKaVLA=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=mLHQcxqJA/kQA/9s7VMgNfqnzk6DjTyP/TJQ7yZvZgCwmr0rW/5s+wtizfxjYfjua M1U5rtzT6zPURjkPBOsM2k9du85cKbIJv6Vz2D5EI4W0SYoLT+L/E7OBvjT5j5fW0S DBsOsC1TCms8MBYMJoadIwPuAm9UMz2iIJdQPHbA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AF681F80686; Thu, 15 Jul 2021 10:01:10 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id B9C25F80675; Thu, 15 Jul 2021 10:01:04 +0200 (CEST) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A069BF8020C for ; Thu, 15 Jul 2021 10:00:09 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A069BF8020C Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="udHmXt+0"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="07zJWnpl" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 7B4B122852 for ; Thu, 15 Jul 2021 08:00:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1626336009; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=McwQc7u8XYrA7q8zKHKjObja8nqqF3KSiuHdWYAKW6A=; b=udHmXt+0lOXzuAvMTE5kUgh6trCaCQrsap+tmCggswdQZDB87uNbr8t1nIUukBifavRwtc 1vpxQRRvuM/wnsJUn+c48RUOdqjE366dxaugKRAOOrHxO4U7Kn5TUGHS92DnqeELgcu82a A4x79Dxa9rU85Vf5Le9Q4XdIiNJ5Ir8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1626336009; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=McwQc7u8XYrA7q8zKHKjObja8nqqF3KSiuHdWYAKW6A=; b=07zJWnplT+pjgM8E4qB08Ft1zvjD5ZnBamr5IW1HyXOH9vU8uk8Du73C1Ht+QhFeXad0Bm +Ltv8HHAK+PFjFCw== Received: from alsa1.nue.suse.com (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 6A0D8A3BBA; Thu, 15 Jul 2021 08:00:09 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH v2 41/79] ALSA: lx6464es: Allocate resources with device-managed APIs Date: Thu, 15 Jul 2021 09:59:03 +0200 Message-Id: <20210715075941.23332-42-tiwai@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210715075941.23332-1-tiwai@suse.de> References: <20210715075941.23332-1-tiwai@suse.de> MIME-Version: 1.0 X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" This patch converts the resource management in PCI lx6464es driver with devres as a clean up. Each manual resource management is converted with the corresponding devres helper, and the card object release is managed now via card->private_free instead of a lowlevel snd_device. This should give no user-visible functional changes. Signed-off-by: Takashi Iwai --- sound/pci/lx6464es/lx6464es.c | 112 ++++++++-------------------------- 1 file changed, 24 insertions(+), 88 deletions(-) diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index 1be97c38bc71..168a1084f730 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -524,29 +524,11 @@ static int lx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) return lx_pcm_trigger_dispatch(chip, stream, cmd); } -static int snd_lx6464es_free(struct lx6464es *chip) +static void snd_lx6464es_free(struct snd_card *card) { - dev_dbg(chip->card->dev, "->snd_lx6464es_free\n"); + struct lx6464es *chip = card->private_data; lx_irq_disable(chip); - - if (chip->irq >= 0) - free_irq(chip->irq, chip); - - iounmap(chip->port_dsp_bar); - ioport_unmap(chip->port_plx_remapped); - - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - - kfree(chip); - - return 0; -} - -static int snd_lx6464es_dev_free(struct snd_device *device) -{ - return snd_lx6464es_free(device->device_data); } /* reset the dsp during initialization */ @@ -930,22 +912,15 @@ static int lx_proc_create(struct snd_card *card, struct lx6464es *chip) static int snd_lx6464es_create(struct snd_card *card, - struct pci_dev *pci, - struct lx6464es **rchip) + struct pci_dev *pci) { - struct lx6464es *chip; + struct lx6464es *chip = card->private_data; int err; - static const struct snd_device_ops ops = { - .dev_free = snd_lx6464es_dev_free, - }; - dev_dbg(card->dev, "->snd_lx6464es_create\n"); - *rchip = NULL; - /* enable PCI device */ - err = pci_enable_device(pci); + err = pcim_enable_device(pci); if (err < 0) return err; @@ -956,16 +931,9 @@ static int snd_lx6464es_create(struct snd_card *card, if (err < 0) { dev_err(card->dev, "architecture does not support 32bit PCI busmaster DMA\n"); - pci_disable_device(pci); return -ENXIO; } - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - err = -ENOMEM; - goto alloc_failed; - } - chip->card = card; chip->pci = pci; chip->irq = -1; @@ -978,33 +946,30 @@ static int snd_lx6464es_create(struct snd_card *card, /* request resources */ err = pci_request_regions(pci, card_name); if (err < 0) - goto request_regions_failed; + return err; /* plx port */ chip->port_plx = pci_resource_start(pci, 1); - chip->port_plx_remapped = ioport_map(chip->port_plx, - pci_resource_len(pci, 1)); + chip->port_plx_remapped = devm_ioport_map(&pci->dev, chip->port_plx, + pci_resource_len(pci, 1)); + if (!chip->port_plx_remapped) + return -ENOMEM; /* dsp port */ - chip->port_dsp_bar = pci_ioremap_bar(pci, 2); - if (!chip->port_dsp_bar) { - dev_err(card->dev, "cannot remap PCI memory region\n"); - err = -ENOMEM; - goto remap_pci_failed; - } + chip->port_dsp_bar = pcim_iomap(pci, 2, 0); + if (!chip->port_dsp_bar) + return -ENOMEM; - err = request_threaded_irq(pci->irq, lx_interrupt, lx_threaded_irq, - IRQF_SHARED, KBUILD_MODNAME, chip); + err = devm_request_threaded_irq(&pci->dev, pci->irq, lx_interrupt, + lx_threaded_irq, IRQF_SHARED, + KBUILD_MODNAME, chip); if (err) { dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); - goto request_irq_failed; + return err; } chip->irq = pci->irq; card->sync_irq = chip->irq; - - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); - if (err < 0) - goto device_new_failed; + card->private_free = snd_lx6464es_free; err = lx_init_dsp(chip); if (err < 0) { @@ -1025,25 +990,7 @@ static int snd_lx6464es_create(struct snd_card *card, if (err < 0) return err; - *rchip = chip; return 0; - -device_new_failed: - free_irq(pci->irq, chip); - -request_irq_failed: - iounmap(chip->port_dsp_bar); - -remap_pci_failed: - pci_release_regions(pci); - -request_regions_failed: - kfree(chip); - -alloc_failed: - pci_disable_device(pci); - - return err; } static int snd_lx6464es_probe(struct pci_dev *pci, @@ -1063,15 +1010,16 @@ static int snd_lx6464es_probe(struct pci_dev *pci, return -ENOENT; } - err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, - 0, &card); + err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + sizeof(*chip), &card); if (err < 0) return err; + chip = card->private_data; - err = snd_lx6464es_create(card, pci, &chip); + err = snd_lx6464es_create(card, pci); if (err < 0) { dev_err(card->dev, "error during snd_lx6464es_create\n"); - goto out_free; + return err; } strcpy(card->driver, "LX6464ES"); @@ -1088,30 +1036,18 @@ static int snd_lx6464es_probe(struct pci_dev *pci, err = snd_card_register(card); if (err < 0) - goto out_free; + return err; dev_dbg(chip->card->dev, "initialization successful\n"); pci_set_drvdata(pci, card); dev++; return 0; - -out_free: - snd_card_free(card); - return err; - } -static void snd_lx6464es_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); -} - - static struct pci_driver lx6464es_driver = { .name = KBUILD_MODNAME, .id_table = snd_lx6464es_ids, .probe = snd_lx6464es_probe, - .remove = snd_lx6464es_remove, }; module_pci_driver(lx6464es_driver);