From patchwork Sat May 9 09:37:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11538143 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 3399A14C0 for ; Sat, 9 May 2020 09:38:02 +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 0EEB321974 for ; Sat, 9 May 2020 09:38:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tDyZsveW"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="F682NrjV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0EEB321974 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=plUN2yP0iRV/JAXwu3AwVMzsXe6UZREU7dVo2KuDgXE=; b=tDyZsveWQa2jLH 0ICJxIpamgWRVVvwyLG7jklJsJxMfx9+EWO2+ZOIGKi4/2KnHb7sst9SbudDo0oWxWDmYHjUewfLi kD6poybYc/xVvt28V2lWipbitvNtxFSbNJvBaFuLpxophh5YVTa1JilN6x4ZVsn49RhfJwTaqwaK5 bI5KoDxzhXQcx1ZJcVRGAVOumb5al6luy+WZiaICvYylZqDTNc2m2A55dfNC16EzZXVoVjDNSUKMm /rKsCOlFb3YTjR2kQl4whcSXthl9Cd2/9/TJ/7uL3yArhFLaVZyadeJcvW2E3LbiyM5uZ/AZOjr+G lJCCZibJPwVWDIJ5G65Q==; 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 1jXLvi-0006FV-CH; Sat, 09 May 2020 09:37:58 +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 1jXLvP-0005wR-Vd; Sat, 09 May 2020 09:37:41 +0000 X-UUID: 38ac0fa4e9ba4293a7d461fa63f63f02-20200509 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=+7J/Ls/qZVPDQuRiUUjEeGW9nmJ58u2HwRnHyuO/vGQ=; b=F682NrjVCiA6DkCOVjnfoy8CWlR7fchyfIbvkY1zxY2C1WDZJYIjaNKNxRUtVxmcVEh7SvbOu87ZwZ1h0GeH0pT3z7t6ZDvtkwgKEuJeBWOyln2UwD0nCLFHnS1IINyt4LMt1aKqvsI2ApouD1H/peNM7I+RYGIrAYUj136/MAQ=; X-UUID: 38ac0fa4e9ba4293a7d461fa63f63f02-20200509 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1650384041; Sat, 09 May 2020 01:37:25 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 02:37:29 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 17:37:17 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 17:37:17 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v2 4/4] scsi: ufs-mediatek: customize WriteBooster flush policy Date: Sat, 9 May 2020 17:37:16 +0800 Message-ID: <20200509093716.21010-5-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200509093716.21010-1-stanley.chu@mediatek.com> References: <20200509093716.21010-1-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-20200509_023740_043242_0565F578 X-CRM114-Status: UNSURE ( 7.69 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 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_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 -0.1 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 0.0 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: 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, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Change the WriteBooster policy to keep VCC on during runtime suspend if available WriteBooster buffer is less than 80%. Signed-off-by: Stanley Chu Reviewed-by: Asutosh Das --- drivers/scsi/ufs/ufs-mediatek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 56620f7d88ce..94e97701f456 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -271,6 +271,7 @@ static int ufs_mtk_init(struct ufs_hba *hba) /* Enable WriteBooster */ hba->caps |= UFSHCD_CAP_WB_EN; + hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80); /* * ufshcd_vops_init() is invoked after