From patchwork Thu Jul 15 07:58:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 12379235 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 9C79FC07E96 for ; Thu, 15 Jul 2021 08:06:41 +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 BBDAC610E5 for ; Thu, 15 Jul 2021 08:06:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBDAC610E5 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 4AAD01684; Thu, 15 Jul 2021 10:05:49 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 4AAD01684 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1626336399; bh=aaffqherV7sHeEFWzX3gpB5DYIo95fZe2Htu2XGac8Q=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=E7z0GR5ipvW+44AkPuRdr2q2rLNn5eWGVdsh+uSCM2AcasAlwND34WUHg1N4T2joc YxHI/jeEgkR1beXLOaDqo0l/VvzpX7+Yv7hHZfgs25V+ZZVR4rOlrj3Ljtd1RH+IJ4 GtTFSXkVpOtYNQT9WhuVjn4t2VyOdphe58I7cwUI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4A750F805CB; Thu, 15 Jul 2021 10:00:31 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id BB520F805B1; Thu, 15 Jul 2021 10:00:24 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (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 2050BF804E5 for ; Thu, 15 Jul 2021 10:00:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2050BF804E5 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="PIttmDGm"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="6mOs2Nlw" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id F3DFD1FD3E for ; Thu, 15 Jul 2021 07:59:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1626336000; 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=SfYa+T0T1CIGZh+UnessXxkDwVCKEl2xb+ela0F3Fq4=; b=PIttmDGmnPyQ4NUmoJ4Rvkb815MQuLoM6I/HyxA7NVlLMrU3HB4w/sK7S0bLQ1PH5sSpaf KWh4jH0o0TMntShwG/bbc6YtemnAjjydDHuNu3837WZSTdk377cDVXM7hqgyfKY4MN7dlr ctBR+Aax/KNF85HqDHhGgho2Kt3sJP8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1626336000; 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=SfYa+T0T1CIGZh+UnessXxkDwVCKEl2xb+ela0F3Fq4=; b=6mOs2NlwViVMIePxrOzMID+4PhIAUr18QJE+Tuf3gVDXw8+N+7mmyYCifonQdOXIXg5Oz+ /FeT3YrXzaqSkwBg== Received: from alsa1.nue.suse.com (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id E2018A3B99; Thu, 15 Jul 2021 07:59:59 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH v2 17/79] ALSA: es1938: Allocate resources with device-managed APIs Date: Thu, 15 Jul 2021 09:58:39 +0200 Message-Id: <20210715075941.23332-18-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 es1938 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/es1938.c | 97 ++++++++++++---------------------------------- 1 file changed, 24 insertions(+), 73 deletions(-) diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index 33b1eb347a27..00b976f42a3d 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -1521,8 +1521,10 @@ static inline int snd_es1938_create_gameport(struct es1938 *chip) { return -ENOS static inline void snd_es1938_free_gameport(struct es1938 *chip) { } #endif /* SUPPORT_JOYSTICK */ -static int snd_es1938_free(struct es1938 *chip) +static void snd_es1938_free(struct snd_card *card) { + struct es1938 *chip = card->private_data; + /* disable irqs */ outb(0x00, SLIO_REG(chip, IRQCONTROL)); if (chip->rmidi) @@ -1532,71 +1534,47 @@ static int snd_es1938_free(struct es1938 *chip) if (chip->irq >= 0) free_irq(chip->irq, chip); - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - kfree(chip); - return 0; -} - -static int snd_es1938_dev_free(struct snd_device *device) -{ - struct es1938 *chip = device->device_data; - return snd_es1938_free(chip); } static int snd_es1938_create(struct snd_card *card, - struct pci_dev *pci, - struct es1938 **rchip) + struct pci_dev *pci) { - struct es1938 *chip; + struct es1938 *chip = card->private_data; int err; - static const struct snd_device_ops ops = { - .dev_free = snd_es1938_dev_free, - }; - - *rchip = NULL; /* enable PCI device */ - err = pci_enable_device(pci); + err = pcim_enable_device(pci); if (err < 0) return err; /* check, if we can restrict PCI DMA transfers to 24 bits */ if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(24))) { dev_err(card->dev, "architecture does not support 24bit PCI busmaster DMA\n"); - pci_disable_device(pci); return -ENXIO; } - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - pci_disable_device(pci); - return -ENOMEM; - } spin_lock_init(&chip->reg_lock); spin_lock_init(&chip->mixer_lock); chip->card = card; chip->pci = pci; chip->irq = -1; err = pci_request_regions(pci, "ESS Solo-1"); - if (err < 0) { - kfree(chip); - pci_disable_device(pci); + if (err < 0) return err; - } chip->io_port = pci_resource_start(pci, 0); chip->sb_port = pci_resource_start(pci, 1); chip->vc_port = pci_resource_start(pci, 2); chip->mpu_port = pci_resource_start(pci, 3); chip->game_port = pci_resource_start(pci, 4); + /* still use non-managed irq handler as it's re-acquired at PM resume */ if (request_irq(pci->irq, snd_es1938_interrupt, IRQF_SHARED, KBUILD_MODNAME, chip)) { dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); - snd_es1938_free(chip); return -EBUSY; } chip->irq = pci->irq; card->sync_irq = chip->irq; + card->private_free = snd_es1938_free; dev_dbg(card->dev, "create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n", chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port); @@ -1604,14 +1582,6 @@ static int snd_es1938_create(struct snd_card *card, chip->ddma_port = chip->vc_port + 0x00; /* fix from Thomas Sailer */ snd_es1938_chip_init(chip); - - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); - if (err < 0) { - snd_es1938_free(chip); - return err; - } - - *rchip = chip; return 0; } @@ -1762,23 +1732,20 @@ static int snd_es1938_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; - for (idx = 0; idx < 5; idx++) { + chip = card->private_data; + + for (idx = 0; idx < 5; idx++) if (pci_resource_start(pci, idx) == 0 || - !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) { - snd_card_free(card); - return -ENODEV; - } - } - err = snd_es1938_create(card, pci, &chip); - if (err < 0) { - snd_card_free(card); + !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) + return -ENODEV; + + err = snd_es1938_create(card, pci); + if (err < 0) return err; - } - card->private_data = chip; strcpy(card->driver, "ES1938"); strcpy(card->shortname, "ESS ES1938 (Solo-1)"); @@ -1788,15 +1755,11 @@ static int snd_es1938_probe(struct pci_dev *pci, chip->irq); err = snd_es1938_new_pcm(chip, 0); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } err = snd_es1938_mixer(chip); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } if (snd_opl3_create(card, SLSB_REG(chip, FMLOWADDR), SLSB_REG(chip, FMHIGHADDR), @@ -1805,15 +1768,11 @@ static int snd_es1938_probe(struct pci_dev *pci, SLSB_REG(chip, FMLOWADDR)); } else { err = snd_opl3_timer_new(opl3, 0, 1); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } } if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, chip->mpu_port, @@ -1829,26 +1788,18 @@ static int snd_es1938_probe(struct pci_dev *pci, snd_es1938_create_gameport(chip); err = snd_card_register(card); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } pci_set_drvdata(pci, card); dev++; return 0; } -static void snd_es1938_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); -} - static struct pci_driver es1938_driver = { .name = KBUILD_MODNAME, .id_table = snd_es1938_ids, .probe = snd_es1938_probe, - .remove = snd_es1938_remove, .driver = { .pm = ES1938_PM_OPS, },