From patchwork Fri Jan 9 15:52:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 5601431 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EB41A9F443 for ; Fri, 9 Jan 2015 15:58:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2781120502 for ; Fri, 9 Jan 2015 15:58:08 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id F2931202FE for ; Fri, 9 Jan 2015 15:58:06 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id B1C5F2655DB; Fri, 9 Jan 2015 16:58:05 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 58F892655E3; Fri, 9 Jan 2015 16:53:43 +0100 (CET) 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 67C2E2612C7; Fri, 9 Jan 2015 16:53:40 +0100 (CET) Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 3FE4E2606EC for ; Fri, 9 Jan 2015 16:53:27 +0100 (CET) Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E8552AD8B for ; Fri, 9 Jan 2015 15:53:26 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Date: Fri, 9 Jan 2015 16:52:52 +0100 Message-Id: <1420818796-30852-10-git-send-email-tiwai@suse.de> X-Mailer: git-send-email 2.2.1 In-Reply-To: <1420818796-30852-1-git-send-email-tiwai@suse.de> References: <1420818796-30852-1-git-send-email-tiwai@suse.de> Subject: [alsa-devel] [PATCH 09/33] ALSA: cs4281: Simplify PM callbacks 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 This is a similar cleanup like the commit [3db084fd0af5: ALSA: fm801: PCI core handles power state for us]. Since pci_set_power_state(), pci_save_state() and pci_restore_state() are already done in the PCI core side, so we don't need to it doubly. Also, pci_enable_device(), pci_disable_device() and pci_set_master() calls in PM callbacks are superfluous nowadays, too, so get rid of them as well. Signed-off-by: Takashi Iwai --- sound/pci/cs4281.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index 4c49b5c8a7b3..80bb1d11da12 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -2008,7 +2008,6 @@ static int saved_regs[SUSPEND_REGISTERS] = { static int cs4281_suspend(struct device *dev) { - struct pci_dev *pci = to_pci_dev(dev); struct snd_card *card = dev_get_drvdata(dev); struct cs4281 *chip = card->private_data; u32 ulCLK; @@ -2047,30 +2046,16 @@ static int cs4281_suspend(struct device *dev) ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); ulCLK &= ~CLKCR1_CKRA; snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK); - - pci_disable_device(pci); - pci_save_state(pci); - pci_set_power_state(pci, PCI_D3hot); return 0; } static int cs4281_resume(struct device *dev) { - struct pci_dev *pci = to_pci_dev(dev); struct snd_card *card = dev_get_drvdata(dev); struct cs4281 *chip = card->private_data; unsigned int i; u32 ulCLK; - pci_set_power_state(pci, PCI_D0); - pci_restore_state(pci); - if (pci_enable_device(pci) < 0) { - dev_err(dev, "pci_enable_device failed, disabling device\n"); - snd_card_disconnect(card); - return -EIO; - } - pci_set_master(pci); - ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1); ulCLK |= CLKCR1_CKRA; snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);