From patchwork Fri Jan 24 15:07:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11350539 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B476F921 for ; Fri, 24 Jan 2020 15:07:59 +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 8508B20709 for ; Fri, 24 Jan 2020 15:07:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FNStR2Pv"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="cGzH+OaL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8508B20709 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ISpIGyYs7Il5kR3hYCj0AEYGP5DMXXeg/ejM4iQWmW8=; b=FNStR2PvLWsiGW c6VBcW4Gf4vOc0MAq5zw6/WfRkJ/oAacaK8VM0lqatY5xSxwzt8GBTN/obIqIJcCdf5Ma+VFuAITn fxxGiYeRMcX1FWYjW81h/GTS/H9E57eHSRHRLHGoYYg0+N5WCBqTlICa4GUd1MB+PEUSVGjR7hPkg 2wuJBAn7kHsO85Qwa2S5xIBIVv5RiNq9vZBEupCes+F6jkSHWyXRC6rUjsqQFJdtbPtuhXNPkRR2I cvWAJ6htfT0pumlAHLJTEtUnk2GkuEJK3HqTCORPhORE7aOXQUsyLHNpEZyIjJyoI0MJ2iBc1Q8h6 UUtca/lwu+0XrFsUdegQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iv0Yu-0004da-NR; Fri, 24 Jan 2020 15:07:56 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iv0Ys-0004Y5-Br; Fri, 24 Jan 2020 15:07:55 +0000 X-UUID: 8e5c24c9bd934b67b4a0495e0cfcb83c-20200124 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=/iGSD+wjvNgUnG2Paki6e43ca0HmiXdtKRWjFiR1Rb8=; b=cGzH+OaLobPqypEYxX0PCuZoOjfqtM0gP8DHVwIU31bSRw/iJBYdJ+OihmXue1ErQyJp/sm63XGmGDGlBg1YZ4b5s+Ui4S063nJQEqr5I8I29sBsGyahGvOzFVpzHy3delefH9Mfi9m1w88Kuc4sknRBtcQDKAjELPKphMxxGt0=; X-UUID: 8e5c24c9bd934b67b4a0495e0cfcb83c-20200124 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 734043727; Fri, 24 Jan 2020 07:07:48 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 24 Jan 2020 07:08:59 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 24 Jan 2020 23:07:09 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 24 Jan 2020 23:07:16 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v2 3/5] scsi: ufs: add ufshcd_is_auto_hibern8_enabled facility Date: Fri, 24 Jan 2020 23:07:41 +0800 Message-ID: <20200124150743.15110-4-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200124150743.15110-1-stanley.chu@mediatek.com> References: <20200124150743.15110-1-stanley.chu@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-20200124_070754_422664_ADE00C50 X-CRM114-Status: UNSURE ( 6.59 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stanley Chu , bvanassche@acm.org, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, beanhuo@micron.com, linux-arm-kernel@lists.infradead.org, asutoshd@codeaurora.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Auto-Hibern8 may be disabled by some vendors or sysfs in runtime even if Auto-Hibern8 capability is supported by host. Thus provide a way to detect if Auto-Hibern8 is actually enabled for future related handlings. Signed-off-by: Stanley Chu Reviewed-by: Bean Huo --- drivers/scsi/ufs/ufshcd.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 2ae6c7c8528c..81c71a3e3474 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -55,6 +55,7 @@ #include #include #include +#include #include "unipro.h" #include @@ -773,6 +774,11 @@ static inline bool ufshcd_is_auto_hibern8_supported(struct ufs_hba *hba) return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT); } +static inline bool ufshcd_is_auto_hibern8_enabled(struct ufs_hba *hba) +{ + return FIELD_GET(UFSHCI_AHIBERN8_TIMER_MASK, hba->ahit) ? true : false; +} + #define ufshcd_writel(hba, val, reg) \ writel((val), (hba)->mmio_base + (reg)) #define ufshcd_readl(hba, reg) \