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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E19A2C352A2 for ; Fri, 7 Feb 2020 11:10:55 +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 B53BB20720 for ; Fri, 7 Feb 2020 11:10:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="chCKOYfB"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="ExunBnU+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B53BB20720 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.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-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ok0Y4VJnQzbYtsIR8FRtN6cgWGi1Gx7D3k6qU4UsSRI=; b=chCKOYfB7Tv+Ui+MkkW1lmH3W GIZNZOp3kUeKyVKq0PHSXeBlqnXk5HVY9FLlQiBT/sx6hvkNPV+sxnivR+m6efFBiO82ePta9xJ6x VLA9UOJ1PL2DZUZWXLYKvq02AyU2vUoqEkgxKnW/x9//pdcg+myAFR10tzm4I60DElWT+TlYN9h0d FyINOzBjwSrs0No5X4qx1lc+cciLa7E5QWr+HdR/u3mRwNTXa6haKt1rTR0NKSkbCWTEoPTeAebAu NgmWRetjtwTC5yDw+BYJRzIy4S6ULJIIBKF8s1D/BfX803/gmMLxV4bshqoj2vH+K20wqBF0LfJSI jRwWuWsIw==; 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 1j01X1-0000AD-7C; Fri, 07 Feb 2020 11:10:43 +0000 Received: from mail25.static.mailgun.info ([104.130.122.25]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j01Wd-0008A6-T8 for linux-mediatek@lists.infradead.org; Fri, 07 Feb 2020 11:10:22 +0000 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1581073819; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=7o3Bx8idpRAfBDQOr2DuJKKzpjZVKD4J1cykxS7PZ38=; b=ExunBnU+1eVyu/vIOCFj+G+RT5Qf58WM9FvjObAMk0DlC7lJ9qG9pyLRknKj8UukVQCuVX1o VJOQ5+XzB64XKezzm066WvvIlyW3+5EoyI9APC+vq4Yug28FT6epHY4z6Q8Ku/SD1+Aj9/BS +NqM4h1YZZjdTj4Hhqvn3LuGwlc= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI0ZDIyMyIsICJsaW51eC1tZWRpYXRla0BsaXN0cy5pbmZyYWRlYWQub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e3d4597.7f52f16557d8-smtp-out-n01; Fri, 07 Feb 2020 11:10:15 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A61C0C447A2; Fri, 7 Feb 2020 11:10:15 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: cang) by smtp.codeaurora.org (Postfix) with ESMTPSA id 48752C43383; Fri, 7 Feb 2020 11:10:14 +0000 (UTC) MIME-Version: 1.0 Date: Fri, 07 Feb 2020 19:10:14 +0800 From: Can Guo To: Stanley Chu Subject: Re: [PATCH v1 2/2] scsi: ufs: introduce common function to disable host TX LCC In-Reply-To: <20200207070357.17169-3-stanley.chu@mediatek.com> References: <20200207070357.17169-1-stanley.chu@mediatek.com> <20200207070357.17169-3-stanley.chu@mediatek.com> Message-ID: X-Sender: cang@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200207_031020_079257_ED41FC77 X-CRM114-Status: GOOD ( 14.86 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-scsi@vger.kernel.org, martin.petersen@oracle.com, andy.teng@mediatek.com, jejb@linux.ibm.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, avri.altman@wdc.com, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, alim.akhtar@samsung.com, matthias.bgg@gmail.com, asutoshd@codeaurora.org, bvanassche@acm.org, linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 2020-02-07 15:03, Stanley Chu wrote: > Many vendors would like to disable host TX LCC during initialization > flow. Introduce a common function for all users to make drivers easier > to > read and maintained. This patch does not change any functionality. > > Signed-off-by: Stanley Chu Reviewed-by: Can Guo > --- > drivers/scsi/ufs/cdns-pltfrm.c | 2 +- > drivers/scsi/ufs/ufs-hisi.c | 2 +- > drivers/scsi/ufs/ufs-mediatek.c | 2 +- > drivers/scsi/ufs/ufs-qcom.c | 4 +--- > drivers/scsi/ufs/ufshcd-pci.c | 2 +- > drivers/scsi/ufs/ufshcd.h | 5 +++++ > 6 files changed, 10 insertions(+), 7 deletions(-) > > diff --git a/drivers/scsi/ufs/cdns-pltfrm.c > b/drivers/scsi/ufs/cdns-pltfrm.c > index 56a6a1ed5ec2..da065a259f6e 100644 > --- a/drivers/scsi/ufs/cdns-pltfrm.c > +++ b/drivers/scsi/ufs/cdns-pltfrm.c > @@ -192,7 +192,7 @@ static int cdns_ufs_link_startup_notify(struct > ufs_hba *hba, > * and device TX LCC are disabled once link startup is > * completed. > */ > - ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); > + ufshcd_disable_host_tx_lcc(hba); > > /* > * Disabling Autohibern8 feature in cadence UFS > diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c > index 5d6487350a6c..074a6a055a4c 100644 > --- a/drivers/scsi/ufs/ufs-hisi.c > +++ b/drivers/scsi/ufs/ufs-hisi.c > @@ -235,7 +235,7 @@ static int ufs_hisi_link_startup_pre_change(struct > ufs_hba *hba) > ufshcd_writel(hba, reg, REG_AUTO_HIBERNATE_IDLE_TIMER); > > /* Unipro PA_Local_TX_LCC_Enable */ > - ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x155E, 0x0), 0x0); > + ufshcd_disable_host_tx_lcc(hba); > /* close Unipro VS_Mk2ExtnSupport */ > ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xD0AB, 0x0), 0x0); > ufshcd_dme_get(hba, UIC_ARG_MIB_SEL(0xD0AB, 0x0), &value); > diff --git a/drivers/scsi/ufs/ufs-mediatek.c > b/drivers/scsi/ufs/ufs-mediatek.c > index 8f73c860f423..9d05962feb15 100644 > --- a/drivers/scsi/ufs/ufs-mediatek.c > +++ b/drivers/scsi/ufs/ufs-mediatek.c > @@ -318,7 +318,7 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba) > * to make sure that both host and device TX LCC are disabled > * once link startup is completed. > */ > - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); > + ret = ufshcd_disable_host_tx_lcc(hba); > if (ret) > return ret; > > diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c > index c69c29a1ceb9..c2e703d58f63 100644 > --- a/drivers/scsi/ufs/ufs-qcom.c > +++ b/drivers/scsi/ufs/ufs-qcom.c > @@ -554,9 +554,7 @@ static int ufs_qcom_link_startup_notify(struct > ufs_hba *hba, > * completed. > */ > if (ufshcd_get_local_unipro_ver(hba) != UFS_UNIPRO_VER_1_41) > - err = ufshcd_dme_set(hba, > - UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), > - 0); > + err = ufshcd_disable_host_tx_lcc(hba); > > break; > case POST_CHANGE: > diff --git a/drivers/scsi/ufs/ufshcd-pci.c > b/drivers/scsi/ufs/ufshcd-pci.c > index 3b19de3ae9a3..8f78a8151499 100644 > --- a/drivers/scsi/ufs/ufshcd-pci.c > +++ b/drivers/scsi/ufs/ufshcd-pci.c > @@ -44,7 +44,7 @@ static int ufs_intel_disable_lcc(struct ufs_hba *hba) > > ufshcd_dme_get(hba, attr, &lcc_enable); > if (lcc_enable) > - ufshcd_dme_set(hba, attr, 0); > + ufshcd_disable_host_tx_lcc(hba); > > return 0; > } > diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h > index 81c71a3e3474..8f516b205c32 100644 > --- a/drivers/scsi/ufs/ufshcd.h > +++ b/drivers/scsi/ufs/ufshcd.h > @@ -914,6 +914,11 @@ static inline bool ufshcd_is_hs_mode(struct > ufs_pa_layer_attr *pwr_info) > pwr_info->pwr_tx == FASTAUTO_MODE); > } > > +static inline int ufshcd_disable_host_tx_lcc(struct ufs_hba *hba) > +{ > + return ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); > +} > + > /* Expose Query-Request API */ > int ufshcd_query_descriptor_retry(struct ufs_hba *hba, > enum query_opcode opcode, _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek