From patchwork Fri May 22 12:18:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11565499 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 B6BBC90 for ; Fri, 22 May 2020 12:19:01 +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 960A620756 for ; Fri, 22 May 2020 12:19:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="GoECcTN2"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="XLRi9by/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 960A620756 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: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:In-Reply-To:References: List-Owner; bh=4hWbUbztZ8FqEGq0Y2xkpPn1z/VeDCwylgI8CIUgBdM=; b=GoECcTN2DrzE2R k6FORUCzxQcKje3VQJJsXrc15ko49nYOvrOserloV9OIgcgsD1fpxb8aV6FreCSAUpf0sGpx48M9P qdZCbB+mfA4wfHIlkP6vsftNJplxpZJanIH1B8yNWMkvUVmX/ukOURCziQXfv42E8k1sd6IgGD0Ii /ujlW38G8nWV1tmHUtHbmzf2aToqT9MWgLZKles4EldmhQzKTrRGS/+KzEMoANVgmstK1ENkk0+6/ 1XBIAZXhuf36jwWKHydg8m4MQiHvdEDeSInxX4Y8EZpsGpAxorOpNKQ46kjAyYoGQfj813r7Zwwhf grKdjaLZ4v5mG7/NFs7A==; 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 1jc6dV-0007uZ-A3; Fri, 22 May 2020 12:18:49 +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 1jc6dE-0007gR-Lr; Fri, 22 May 2020 12:18:34 +0000 X-UUID: aa5ff2c910de40f1bf4a9daf829cb2e8-20200522 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:Message-ID:Date:Subject:CC:To:From; bh=kQDziwgP0hgrh7T+hQAa+vHSi/RDRfa4EIfd/mEUOpk=; b=XLRi9by/dY/LSjDXfILlZsNEn2E7XYx1Rq+2gfTMocFjLUnlzj7TaJTjOvWoTywM18XGTzyf+P67saTUdDbEpbcSFWj3MKDHvKd/AfZp91uCXINrkeq3sxw/RS48nQfh+YfnkfhIOiMNb6DCY0ZDaErJeDLS3uPX6iloxFrRfAU=; X-UUID: aa5ff2c910de40f1bf4a9daf829cb2e8-20200522 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 833241593; Fri, 22 May 2020 04:18:17 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 22 May 2020 05:18:23 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 22 May 2020 20:18:15 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 22 May 2020 20:18:15 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v1 0/3] scsi: ufs-mediatek: Fix clk-gating and introduce low-power mode for vccq2 Date: Fri, 22 May 2020 20:18:11 +0800 Message-ID: <20200522121814.9100-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200522_051832_868894_73E6D705 X-CRM114-Status: UNSURE ( 4.95 ) 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_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -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: pengshun.zhao@mediatek.com, Stanley Chu , bvanassche@acm.org, andy.teng@mediatek.com, cc.chou@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, chaotian.jing@mediatek.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 Hi, This patchset fixes a clk-gating issue and introduces low-power mode for vccq2 in MediaTek platforms. Stanley Chu (3): scsi: ufs-mediatek: Fix imprecise waiting time for ref-clk control scsi: ufs-mediatek: Do not gate clocks if auto-hibern8 is not entered yet scsi: ufs-mediatek: Introduce low-power mode for device power supply drivers/scsi/ufs/ufs-mediatek.c | 64 ++++++++++++++++++++++++++------- drivers/scsi/ufs/ufs-mediatek.h | 2 +- 2 files changed, 53 insertions(+), 13 deletions(-)