From patchwork Tue May 18 16:51:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 441261 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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 8367DC433ED for ; Tue, 18 May 2021 16:53:02 +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 2045361184 for ; Tue, 18 May 2021 16:53:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2045361184 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 F275C1741; Tue, 18 May 2021 18:52:08 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz F275C1741 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1621356779; bh=P+WxpDnl2/W7jdrcvy2TJgre9v+IWkj2Rw9PEEBBC8w=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=mc/lWhRWkSkQRSXP+t4oAr2QnI1Z0jcvJxPgEWyeZ5QlGMHiVfG87/NpWkNwqcm8M ag5OCZy+aFlkAt8OInZvUL/cyjp+eE5SPqkP7t7SLg5SQTSlqUxy2kBXeOBJ8JRzp+ yVWE1bLufpYB0WV78D9S+9b8QHc/ERUy0HzU29Yg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 66976F802E3; Tue, 18 May 2021 18:52:08 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3DCDFF80424; Tue, 18 May 2021 18:52:06 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (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 D78ABF8014C for ; Tue, 18 May 2021 18:52:03 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D78ABF8014C X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3A38DAFF4; Tue, 18 May 2021 16:52:03 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH 0/7] ALSA: Prep work for PCI rescan support Date: Tue, 18 May 2021 18:51:54 +0200 Message-Id: <20210518165201.24376-1-tiwai@suse.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Cc: Andrey Grodzovsky 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" Hi, this is a patch set as a prep work for the future-planned PCI rescan support(*). The essential part is the patch to track in-flight tasks, and the rest are cleanups and fixes in the core code. With those changes, the driver can perform a sort of software suspend on the device without the hardware intervention, which is required during the PCI BAR movement, for example. Takashi (*) https://lore.kernel.org/alsa-devel/e25017c6-e5e4-7a24-e793-14a2e70a434e@amd.com/ === Takashi Iwai (7): ALSA: core: Use READ_ONCE() / WRITE_ONCE() for power state change ALSA: control: Add power state check commonly for ioctl handlers ALSA: control: Drop superfluous snd_power_wait() calls ALSA: control: Minor optimization for SNDRV_CTL_IOCTL_POWER_STATE ALSA: control: Track in-flight control read/write/tlv accesses ALSA: pcm: Block the release until the system resume finishes ALSA: Drop superfluous argument from snd_power_wait() include/sound/core.h | 39 +++++++++++++++++++++--- sound/core/control.c | 41 +++++++++++++------------- sound/core/control_compat.c | 17 +++++------ sound/core/init.c | 59 ++++++++++++++++++++++++++++++++----- sound/core/pcm_native.c | 6 +++- sound/soc/soc-core.c | 2 +- sound/usb/usx2y/us122l.c | 2 +- 7 files changed, 121 insertions(+), 45 deletions(-)