From patchwork Wed Sep 20 13:54:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 13392822 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DAE7CE79D4 for ; Wed, 20 Sep 2023 13:56:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236655AbjITN4S (ORCPT ); Wed, 20 Sep 2023 09:56:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236618AbjITNzj (ORCPT ); Wed, 20 Sep 2023 09:55:39 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41BD2E8; Wed, 20 Sep 2023 06:55:12 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A729C433C7; Wed, 20 Sep 2023 13:55:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695218111; bh=ETEkFhkjNF5sZV9yJIOOuS41j++NeBgWe3VSCWwePLY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iKejA95HvOeZgdvISHU18eKc4peHzI92QYadQMlFaI0DcRzbYMCtntQ0i5cjL2BVk SFNxEk2NaaKg3DIEJmtEryOwMig8bAJwWAa5N8cnkOOf/QPcsxxhyX/MK7kmt7suzE 3GQClXeQC7VTJOONCOR2Q9wNV8gFMIvCNIzYDLaZ4UeXBpOg6DgKGhAsZXQqqzhSg9 ddyYipgnS5vHMFyneKYprNAzJ5PVV6V1p5jGL8SLtNTVq8qqlh9/7SN/uOvxy8cCHq zdot2J2h/mQ8cLWMoIzEovmMB60kf1KG5DK3zQmhGmbJ3BPWjUplU5CXBMFA76R5Dj H5rRjsdP7wRIA== From: Damien Le Moal To: linux-ide@vger.kernel.org Cc: linux-scsi@vger.kernel.org, "Martin K . Petersen" , John Garry , Rodrigo Vivi , Paul Ausbeck , Kai-Heng Feng , Joe Breuer , Geert Uytterhoeven , Chia-Lin Kao Subject: [PATCH v4 16/23] ata: libata-core: Remove ata_port_suspend_async() Date: Wed, 20 Sep 2023 22:54:32 +0900 Message-ID: <20230920135439.929695-17-dlemoal@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230920135439.929695-1-dlemoal@kernel.org> References: <20230920135439.929695-1-dlemoal@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org ata_port_suspend_async() is only called by ata_sas_port_suspend(). Modify ata_port_suspend() with an additional bool argument indicating an asynchronous or synchronous suspend to allow removing that helper function. With this change, the variable ata_port_resume_ehi can also be removed and its value (ATA_EHI_XXX flags passed directly to ata_port_request_pm(). Signed-off-by: Damien Le Moal Reviewed-by: Hannes Reinecke Tested-by: Chia-Lin Kao (AceLan) --- drivers/ata/libata-core.c | 46 +++++++++++++++------------------------ 1 file changed, 17 insertions(+), 29 deletions(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 6b38ebaad019..b3615862ea30 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5166,18 +5166,8 @@ static void ata_port_request_pm(struct ata_port *ap, pm_message_t mesg, ata_port_wait_eh(ap); } -/* - * On some hardware, device fails to respond after spun down for suspend. As - * the device won't be used before being resumed, we don't need to touch the - * device. Ask EH to skip the usual stuff and proceed directly to suspend. - * - * http://thread.gmane.org/gmane.linux.ide/46764 - */ -static const unsigned int ata_port_suspend_ehi = ATA_EHI_QUIET - | ATA_EHI_NO_AUTOPSY - | ATA_EHI_NO_RECOVERY; - -static void ata_port_suspend(struct ata_port *ap, pm_message_t mesg) +static void ata_port_suspend(struct ata_port *ap, pm_message_t mesg, + bool async) { /* * We are about to suspend the port, so we do not care about @@ -5187,20 +5177,18 @@ static void ata_port_suspend(struct ata_port *ap, pm_message_t mesg) */ cancel_delayed_work_sync(&ap->scsi_rescan_task); - ata_port_request_pm(ap, mesg, 0, ata_port_suspend_ehi, false); -} - -static void ata_port_suspend_async(struct ata_port *ap, pm_message_t mesg) -{ /* - * We are about to suspend the port, so we do not care about - * scsi_rescan_device() calls scheduled by previous resume operations. - * The next resume will schedule the rescan again. So cancel any rescan - * that is not done yet. + * On some hardware, device fails to respond after spun down for + * suspend. As the device wil not t be used until being resumed, we + * do not need to touch the device. Ask EH to skip the usual stuff + * and proceed directly to suspend. + * + * http://thread.gmane.org/gmane.linux.ide/46764 */ - cancel_delayed_work_sync(&ap->scsi_rescan_task); - - ata_port_request_pm(ap, mesg, 0, ata_port_suspend_ehi, true); + ata_port_request_pm(ap, mesg, 0, + ATA_EHI_QUIET | ATA_EHI_NO_AUTOPSY | + ATA_EHI_NO_RECOVERY, + async); } static int ata_port_pm_suspend(struct device *dev) @@ -5210,7 +5198,7 @@ static int ata_port_pm_suspend(struct device *dev) if (pm_runtime_suspended(dev)) return 0; - ata_port_suspend(ap, PMSG_SUSPEND); + ata_port_suspend(ap, PMSG_SUSPEND, false); return 0; } @@ -5221,13 +5209,13 @@ static int ata_port_pm_freeze(struct device *dev) if (pm_runtime_suspended(dev)) return 0; - ata_port_suspend(ap, PMSG_FREEZE); + ata_port_suspend(ap, PMSG_FREEZE, false); return 0; } static int ata_port_pm_poweroff(struct device *dev) { - ata_port_suspend(to_ata_port(dev), PMSG_HIBERNATE); + ata_port_suspend(to_ata_port(dev), PMSG_HIBERNATE, false); return 0; } @@ -5279,7 +5267,7 @@ static int ata_port_runtime_idle(struct device *dev) static int ata_port_runtime_suspend(struct device *dev) { - ata_port_suspend(to_ata_port(dev), PMSG_AUTO_SUSPEND); + ata_port_suspend(to_ata_port(dev), PMSG_AUTO_SUSPEND, false); return 0; } @@ -5309,7 +5297,7 @@ static const struct dev_pm_ops ata_port_pm_ops = { */ void ata_sas_port_suspend(struct ata_port *ap) { - ata_port_suspend_async(ap, PMSG_SUSPEND); + ata_port_suspend(ap, PMSG_SUSPEND, true); } EXPORT_SYMBOL_GPL(ata_sas_port_suspend);