From mboxrd@z Thu Jan 1 00:00:00 1970 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 43315C07E96 for ; Thu, 15 Jul 2021 08:28:23 +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 720C2611C0 for ; Thu, 15 Jul 2021 08:28:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 720C2611C0 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 0E7DE1723; Thu, 15 Jul 2021 10:27:31 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 0E7DE1723 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1626337701; bh=TXuTrEN08yehKr7Ciy62unZ11BMc5BaFrn3/wwNyw6A=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=VtHhGeNyW0vCf0fBpdB2/jgg7qThjzii7vHf1Rs1Z/qt88AdNfqbkDTEM3k33v71y iwNpdW/MNJX7q9cC50uqkoFvUn7G5UQfemFBiuOtW8RHZXyNfA/Nz6BJLMfJQdRR5H 6wZyjTW0eUFHjvReASyawD1uGDGBIs5HzwoywuHk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id B82C6F80844; Thu, 15 Jul 2021 10:01:55 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id E38DAF807DE; Thu, 15 Jul 2021 10:01:45 +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 18F30F805AA for ; Thu, 15 Jul 2021 10:00:23 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 18F30F805AA Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="ZOLDZ+8I"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="9+sZg/ie" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id D8D0522854 for ; Thu, 15 Jul 2021 08:00:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1626336022; 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=iRUeyFmo/r1kEv9m/+nXyBfMbslPAZh0fUINSstUFp4=; b=ZOLDZ+8Ig0ookJEcAEWx5PgmZoBr6Ts0lrsYaPCNDD3O5xRhOvtYwTescgTXUd7o+7hsHS JybqJmopOVrnPW6Y8nmk/ApW8EVRf/xWtVoRQHUMV71BXi3gp9j855g/8d+SYMucAm/O7/ gSqbDBfRzS6SR4WXrga+jTAA/YGd7eY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1626336022; 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=iRUeyFmo/r1kEv9m/+nXyBfMbslPAZh0fUINSstUFp4=; b=9+sZg/iet2yjfb+qzJ43/ZTFdw6d/MRS7uh6V5LNmW3s+hVVWZgifYjrBzGYFceug8Obn+ 7S9ma44c5CcqCvAA== Received: from alsa1.nue.suse.com (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id C647FA3B9D; Thu, 15 Jul 2021 08:00:22 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH v2 70/79] ALSA: sscape: Allocate resources with device-managed APIs Date: Thu, 15 Jul 2021 09:59:32 +0200 Message-Id: <20210715075941.23332-71-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 Content-Transfer-Encoding: 8bit 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 ISA sscape driver with devres as a clean up. Each manual resource management is converted with the corresponding devres helper. The remove callback became superfluous and dropped. This should give no user-visible functional changes. Signed-off-by: Takashi Iwai --- sound/isa/sscape.c | 92 ++++++++++------------------------------------ 1 file changed, 20 insertions(+), 72 deletions(-) diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c index e70ef9aee545..0bc0025f7c19 100644 --- a/sound/isa/sscape.c +++ b/sound/isa/sscape.c @@ -327,17 +327,6 @@ static void activate_ad1845_unsafe(unsigned io_base) sscape_write_unsafe(io_base, GA_CDCFG_REG, 0x80); } -/* - * Do the necessary ALSA-level cleanup to deallocate our driver ... - */ -static void soundscape_free(struct snd_card *c) -{ - struct soundscape *sscape = get_card_soundscape(c); - release_and_free_resource(sscape->io_res); - release_and_free_resource(sscape->wss_res); - free_dma(sscape->chip->dma1); -} - /* * Tell the SoundScape to begin a DMA transfer using the given channel. * All locking issues are left to the caller. @@ -941,7 +930,7 @@ static int create_sscape(int dev, struct snd_card *card) * Grab IO ports that we will need to probe so that we * can detect and control this hardware ... */ - io_res = request_region(port[dev], 8, "SoundScape"); + io_res = devm_request_region(card->dev, port[dev], 8, "SoundScape"); if (!io_res) { snd_printk(KERN_ERR "sscape: can't grab port 0x%lx\n", port[dev]); @@ -949,22 +938,22 @@ static int create_sscape(int dev, struct snd_card *card) } wss_res = NULL; if (sscape->type == SSCAPE_VIVO) { - wss_res = request_region(wss_port[dev], 4, "SoundScape"); + wss_res = devm_request_region(card->dev, wss_port[dev], 4, + "SoundScape"); if (!wss_res) { snd_printk(KERN_ERR "sscape: can't grab port 0x%lx\n", wss_port[dev]); - err = -EBUSY; - goto _release_region; + return -EBUSY; } } /* * Grab one DMA channel ... */ - err = request_dma(dma[dev], "SoundScape"); + err = snd_devm_request_dma(card->dev, dma[dev], "SoundScape"); if (err < 0) { snd_printk(KERN_ERR "sscape: can't grab DMA %d\n", dma[dev]); - goto _release_region; + return err; } spin_lock_init(&sscape->lock); @@ -975,8 +964,7 @@ static int create_sscape(int dev, struct snd_card *card) if (!detect_sscape(sscape, wss_port[dev])) { printk(KERN_ERR "sscape: hardware not detected at 0x%x\n", sscape->io_base); - err = -ENODEV; - goto _release_dma; + return -ENODEV; } switch (sscape->type) { @@ -1006,15 +994,13 @@ static int create_sscape(int dev, struct snd_card *card) irq_cfg = get_irq_config(sscape->type, irq[dev]); if (irq_cfg == INVALID_IRQ) { snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]); - err = -ENXIO; - goto _release_dma; + return -ENXIO; } mpu_irq_cfg = get_irq_config(sscape->type, mpu_irq[dev]); if (mpu_irq_cfg == INVALID_IRQ) { snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]); - err = -ENXIO; - goto _release_dma; + return -ENXIO; } /* @@ -1060,7 +1046,7 @@ static int create_sscape(int dev, struct snd_card *card) snd_printk(KERN_ERR "sscape: No AD1845 device at 0x%lx, IRQ %d\n", wss_port[dev], irq[dev]); - goto _release_dma; + return err; } strcpy(card->driver, "SoundScape"); strcpy(card->shortname, name); @@ -1082,7 +1068,7 @@ static int create_sscape(int dev, struct snd_card *card) snd_printk(KERN_ERR "sscape: Failed to create " "MPU-401 device at 0x%lx\n", port[dev]); - goto _release_dma; + return err; } /* @@ -1109,24 +1095,7 @@ static int create_sscape(int dev, struct snd_card *card) } } - /* - * Now that we have successfully created this sound card, - * it is safe to store the pointer. - * NOTE: we only register the sound card's "destructor" - * function now that our "constructor" has completed. - */ - card->private_free = soundscape_free; - return 0; - -_release_dma: - free_dma(dma[dev]); - -_release_region: - release_and_free_resource(wss_res); - release_and_free_resource(io_res); - - return err; } @@ -1156,8 +1125,8 @@ static int snd_sscape_probe(struct device *pdev, unsigned int dev) struct soundscape *sscape; int ret; - ret = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE, - sizeof(struct soundscape), &card); + ret = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE, + sizeof(struct soundscape), &card); if (ret < 0) return ret; @@ -1168,24 +1137,15 @@ static int snd_sscape_probe(struct device *pdev, unsigned int dev) ret = create_sscape(dev, card); if (ret < 0) - goto _release_card; + return ret; ret = snd_card_register(card); if (ret < 0) { snd_printk(KERN_ERR "sscape: Failed to register sound card\n"); - goto _release_card; + return ret; } dev_set_drvdata(pdev, card); return 0; - -_release_card: - snd_card_free(card); - return ret; -} - -static void snd_sscape_remove(struct device *devptr, unsigned int dev) -{ - snd_card_free(dev_get_drvdata(devptr)); } #define DEV_NAME "sscape" @@ -1193,7 +1153,6 @@ static void snd_sscape_remove(struct device *devptr, unsigned int dev) static struct isa_driver snd_sscape_driver = { .match = snd_sscape_match, .probe = snd_sscape_probe, - .remove = snd_sscape_remove, /* FIXME: suspend/resume */ .driver = { .name = DEV_NAME @@ -1244,9 +1203,9 @@ static int sscape_pnp_detect(struct pnp_card_link *pcard, * Create a new ALSA sound card entry, in anticipation * of detecting our hardware ... */ - ret = snd_card_new(&pcard->card->dev, - index[idx], id[idx], THIS_MODULE, - sizeof(struct soundscape), &card); + ret = snd_devm_card_new(&pcard->card->dev, + index[idx], id[idx], THIS_MODULE, + sizeof(struct soundscape), &card); if (ret < 0) return ret; @@ -1277,27 +1236,17 @@ static int sscape_pnp_detect(struct pnp_card_link *pcard, ret = create_sscape(idx, card); if (ret < 0) - goto _release_card; + return ret; ret = snd_card_register(card); if (ret < 0) { snd_printk(KERN_ERR "sscape: Failed to register sound card\n"); - goto _release_card; + return ret; } pnp_set_card_drvdata(pcard, card); ++idx; return 0; - -_release_card: - snd_card_free(card); - return ret; -} - -static void sscape_pnp_remove(struct pnp_card_link *pcard) -{ - snd_card_free(pnp_get_card_drvdata(pcard)); - pnp_set_card_drvdata(pcard, NULL); } static struct pnp_card_driver sscape_pnpc_driver = { @@ -1305,7 +1254,6 @@ static struct pnp_card_driver sscape_pnpc_driver = { .name = "sscape", .id_table = sscape_pnpids, .probe = sscape_pnp_detect, - .remove = sscape_pnp_remove, }; #endif /* CONFIG_PNP */ -- 2.26.2