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Tue, 12 May 2020 02:19:46 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 693C1C432C2; Tue, 12 May 2020 02:19:45 +0000 (UTC) Received: from [192.168.8.150] (cpe-70-95-149-85.san.res.rr.com [70.95.149.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: asutoshd) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4DE55C433CB; Tue, 12 May 2020 02:19:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4DE55C433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=asutoshd@codeaurora.org Subject: Re: [PATCH v2 4/4] scsi: ufs-mediatek: customize WriteBooster flush policy To: Stanley Chu , linux-scsi@vger.kernel.org, martin.petersen@oracle.com, avri.altman@wdc.com, alim.akhtar@samsung.com, jejb@linux.ibm.com References: <20200509093716.21010-1-stanley.chu@mediatek.com> <20200509093716.21010-5-stanley.chu@mediatek.com> From: "Asutosh Das (asd)" Message-ID: <635f91f6-3a27-ffdd-4021-67705d4063fc@codeaurora.org> Date: Mon, 11 May 2020 19:19:42 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200509093716.21010-5-stanley.chu@mediatek.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200511_192008_515862_FAB1ED7E X-CRM114-Status: GOOD ( 17.85 ) 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, linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 5/9/2020 2:37 AM, Stanley Chu wrote: > 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 > Patchset looks good to me. Reviewed-by: Asutosh Das -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, Linux Foundation Collaborative Project _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel