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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0B79C433F5 for ; Wed, 6 Oct 2021 03:10:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 54BA061139 for ; Wed, 6 Oct 2021 03:10:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 54BA061139 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/CJ/AjZGK/MN4uNq7JNBqkYX/iV0qmqQtJCVnmH2sFs=; b=u/BWca8O8r9Hat nq5udT1w1yr7GYFIAaHfy4SIRrHtyZluRWbO4BMlS7TAIB7JdhdlE9BXKvEn0oGUL5Mk3cRA6Xn+M uw7el1hzhU3wVfuKx+DT34AJgxHr0ebkwxwnzJgPXkKjGp8y4yqagzhE6RV54bjUm6DXQk4S89dn6 cCUuTuAn2WHszFR/XkfGTIjV8/EaMZz81z8zQJ6nbB/nLYgmssQtOUI1ln6OGCKihKHiHjntoBCMq o6Y4aJtQd+RLtAAt3/CWcV1ssOToIwvtycZyTbfMqww1Gtz9la0UfuG2X6+htrHDU936mbhUbI1gy 2MqMvsbbCxbqKnJeMtVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXxJt-00CfUm-Ek; Wed, 06 Oct 2021 03:10:13 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXxJn-00CfTV-E0 for linux-mediatek@lists.infradead.org; Wed, 06 Oct 2021 03:10:12 +0000 X-UUID: 1b7578859c4946929158c505947e32aa-20211005 X-UUID: 1b7578859c4946929158c505947e32aa-20211005 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1568064851; Tue, 05 Oct 2021 20:10:04 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 5 Oct 2021 20:10:02 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 6 Oct 2021 11:10:01 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 6 Oct 2021 11:10:01 +0800 From: To: , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v3 1/2] scsi: ufs: support vops pre suspend Date: Wed, 6 Oct 2021 11:09:58 +0800 Message-ID: <20211006030959.20533-2-peter.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211006030959.20533-1-peter.wang@mediatek.com> References: <20211006030959.20533-1-peter.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211005_201007_512292_0458563E X-CRM114-Status: GOOD ( 12.60 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Peter Wang This patch introduce an solution to do pre suspned before SSU (sleep) command. Signed-off-by: Peter Wang --- drivers/scsi/ufs/ufshcd.c | 9 +++++++-- drivers/scsi/ufs/ufshcd.h | 8 +++++--- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 188de6f91050..73eb626fa88f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8897,6 +8897,10 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) flush_work(&hba->eeh_work); + ret = ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE); + if (ret) + goto enable_scaling; + if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) { if (pm_op != UFS_RUNTIME_PM) /* ensure that bkops is disabled */ @@ -8924,7 +8928,7 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) * vendor specific host controller register space call them before the * host clocks are ON. */ - ret = ufshcd_vops_suspend(hba, pm_op); + ret = ufshcd_vops_suspend(hba, pm_op, POST_CHANGE); if (ret) goto set_link_active; goto out; @@ -9052,7 +9056,8 @@ static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) set_old_link_state: ufshcd_link_state_transition(hba, old_link_state, 0); vendor_suspend: - ufshcd_vops_suspend(hba, pm_op); + ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE); + ufshcd_vops_suspend(hba, pm_op, POST_CHANGE); out: if (ret) ufshcd_update_evt_hist(hba, UFS_EVT_WL_RES_ERR, (u32)ret); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index f0da5d3db1fa..e90320253d96 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -344,7 +344,8 @@ struct ufs_hba_variant_ops { enum ufs_notify_change_status); int (*apply_dev_quirks)(struct ufs_hba *hba); void (*fixup_dev_quirks)(struct ufs_hba *hba); - int (*suspend)(struct ufs_hba *, enum ufs_pm_op); + int (*suspend)(struct ufs_hba *, enum ufs_pm_op, + enum ufs_notify_change_status); int (*resume)(struct ufs_hba *, enum ufs_pm_op); void (*dbg_register_dump)(struct ufs_hba *hba); int (*phy_initialization)(struct ufs_hba *); @@ -1300,10 +1301,11 @@ static inline void ufshcd_vops_fixup_dev_quirks(struct ufs_hba *hba) hba->vops->fixup_dev_quirks(hba); } -static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op) +static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op, + enum ufs_notify_change_status status) { if (hba->vops && hba->vops->suspend) - return hba->vops->suspend(hba, op); + return hba->vops->suspend(hba, op, status); return 0; } -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A894C4332F for ; Wed, 6 Oct 2021 03:10:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF48B61139 for ; Wed, 6 Oct 2021 03:10:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237274AbhJFDL7 (ORCPT ); Tue, 5 Oct 2021 23:11:59 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:41708 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S237183AbhJFDL5 (ORCPT ); Tue, 5 Oct 2021 23:11:57 -0400 X-UUID: 96d6a5a282634e96bca0f64d8e4badea-20211006 X-UUID: 96d6a5a282634e96bca0f64d8e4badea-20211006 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1004137058; Wed, 06 Oct 2021 11:10:02 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 6 Oct 2021 11:10:01 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 6 Oct 2021 11:10:01 +0800 From: To: , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v3 1/2] scsi: ufs: support vops pre suspend Date: Wed, 6 Oct 2021 11:09:58 +0800 Message-ID: <20211006030959.20533-2-peter.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211006030959.20533-1-peter.wang@mediatek.com> References: <20211006030959.20533-1-peter.wang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Peter Wang This patch introduce an solution to do pre suspned before SSU (sleep) command. Signed-off-by: Peter Wang --- drivers/scsi/ufs/ufshcd.c | 9 +++++++-- drivers/scsi/ufs/ufshcd.h | 8 +++++--- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 188de6f91050..73eb626fa88f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8897,6 +8897,10 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) flush_work(&hba->eeh_work); + ret = ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE); + if (ret) + goto enable_scaling; + if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) { if (pm_op != UFS_RUNTIME_PM) /* ensure that bkops is disabled */ @@ -8924,7 +8928,7 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) * vendor specific host controller register space call them before the * host clocks are ON. */ - ret = ufshcd_vops_suspend(hba, pm_op); + ret = ufshcd_vops_suspend(hba, pm_op, POST_CHANGE); if (ret) goto set_link_active; goto out; @@ -9052,7 +9056,8 @@ static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) set_old_link_state: ufshcd_link_state_transition(hba, old_link_state, 0); vendor_suspend: - ufshcd_vops_suspend(hba, pm_op); + ufshcd_vops_suspend(hba, pm_op, PRE_CHANGE); + ufshcd_vops_suspend(hba, pm_op, POST_CHANGE); out: if (ret) ufshcd_update_evt_hist(hba, UFS_EVT_WL_RES_ERR, (u32)ret); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index f0da5d3db1fa..e90320253d96 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -344,7 +344,8 @@ struct ufs_hba_variant_ops { enum ufs_notify_change_status); int (*apply_dev_quirks)(struct ufs_hba *hba); void (*fixup_dev_quirks)(struct ufs_hba *hba); - int (*suspend)(struct ufs_hba *, enum ufs_pm_op); + int (*suspend)(struct ufs_hba *, enum ufs_pm_op, + enum ufs_notify_change_status); int (*resume)(struct ufs_hba *, enum ufs_pm_op); void (*dbg_register_dump)(struct ufs_hba *hba); int (*phy_initialization)(struct ufs_hba *); @@ -1300,10 +1301,11 @@ static inline void ufshcd_vops_fixup_dev_quirks(struct ufs_hba *hba) hba->vops->fixup_dev_quirks(hba); } -static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op) +static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op, + enum ufs_notify_change_status status) { if (hba->vops && hba->vops->suspend) - return hba->vops->suspend(hba, op); + return hba->vops->suspend(hba, op, status); return 0; } -- 2.18.0