From patchwork Fri May 8 17:15:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11537225 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 BD63015E6 for ; Fri, 8 May 2020 17:15:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5ECC21775 for ; Fri, 8 May 2020 17:15:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="I/j5hLj9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728085AbgEHRPU (ORCPT ); Fri, 8 May 2020 13:15:20 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:60942 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726767AbgEHRPT (ORCPT ); Fri, 8 May 2020 13:15:19 -0400 X-UUID: 6da898a83a1e415ea90f873b44e098ff-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=I/j5hLj9mNdY0ka1ODGwW/30hk89NdVQTy7ivuyit6YXb0IHlAUa2jexrkZs1S6UhKgyuTnqX1FSlUWXxXCBey/gkU7EChPYMR9Vz2M0bKbY17gAPN25OeIgHsPLBGt6ltcXTj9Ush21LwW+vTi7d9zBg43RcLgOLcgNhZd/YVQ=; X-UUID: 6da898a83a1e415ea90f873b44e098ff-20200509 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 815445995; Sat, 09 May 2020 01:15:16 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 01:15:12 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 01:15:12 +0800 From: Stanley Chu To: , , , , , CC: , , , , , , , , , , , Stanley Chu Subject: [PATCH v1 5/5] scsi: ufs-mediatek: customize WriteBooster flush policy Date: Sat, 9 May 2020 01:15:13 +0800 Message-ID: <20200508171513.14665-6-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200508171513.14665-1-stanley.chu@mediatek.com> References: <20200508171513.14665-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.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 --- 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