From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 003.mia.mailroute.net (003.mia.mailroute.net [199.89.3.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C3E1B24468C for ; Thu, 18 Sep 2025 18:30:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.3.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758220232; cv=none; b=UhooGbOej1FBbZ1yKl3Qp3wgOP+pGzdzT676wGDfWHrL+u0sUFpTVxC1q0txHXD+I/Vd0AxecsaUspEPBJhnZ8kWykx6YxiCVbcuZueVEK361Im5wFDhL8MX49pq60OX7/XbR0theEsphNcku9gv4oTh4lp9wGjkyBNP02p7Dd4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758220232; c=relaxed/simple; bh=t/fSSvgsW3pawIQ3Egof9djmka1o0u7cLgWNCZuci0Y=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=FvNMLfKOuejN1MrD5aaOKV61OqGDXag/bVdPER6h9s5Xk7slom2GyQKB2AI3VIbNa35DBsf0CFKdOxlXEEE7tcIgpsp2beTryIQZIIkOUu1NTVyOL0ZdSHI8gYkPmh4sq0eqv7vsPVOvY82TyWmBkmw7Q3/IeG/n1xcUF4W22+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=mX4ThNNB; arc=none smtp.client-ip=199.89.3.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="mX4ThNNB" Received: from localhost (localhost [127.0.0.1]) by 003.mia.mailroute.net (Postfix) with ESMTP id 4cSPMT62CRzltQM8; Thu, 18 Sep 2025 18:30:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1758220227; x=1760812228; bh=t/fSSvgsW3pawIQ3Egof9djm ka1o0u7cLgWNCZuci0Y=; b=mX4ThNNBBpA3VuHN/e7FBXzarWrcMXSMZAVnh7Sy 9APgPdd+tgFfviyh2f/PpapEe0zR27IGmeu+EU4o+O8/6GIjHJbg88VDMY9Xrd43 BD3CzalNnHJLJ03DR5eBsljHsmdvqFyij1njUBr8o6UEOCQN20P+nz+ec3cNgayi APlWtJAZiaaGJC2ey22QGcl8TDhuEpAHfYCuwlGLG6BYf56EZrOVorjPBFPctKJy 1wfJeifG/x74FceyRGAaV6u9rPHg4WbNlr3Ra+7fIJlAetfocf2Idk3EmVGfGBeu fUI4RXa4SkDFjpY/fCB/ookNyJ8yFShOrUUep/q2yu/LZg== X-Virus-Scanned: by MailRoute Received: from 003.mia.mailroute.net ([127.0.0.1]) by localhost (003.mia [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id oxVgUQ-ehWAL; Thu, 18 Sep 2025 18:30:27 +0000 (UTC) Received: from [100.66.154.22] (unknown [104.135.204.82]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 003.mia.mailroute.net (Postfix) with ESMTPSA id 4cSPMC47FQzltQLx; Thu, 18 Sep 2025 18:30:14 +0000 (UTC) Message-ID: <02338932-b3e9-458a-ac24-41b4f29eb514@acm.org> Date: Thu, 18 Sep 2025 11:30:14 -0700 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 02/10] ufs: host: mediatek: Correct clock scaling with PM QoS flow To: peter.wang@mediatek.com, linux-scsi@vger.kernel.org, martin.petersen@oracle.com Cc: wsd_upstream@mediatek.com, linux-mediatek@lists.infradead.org, chun-hung.wu@mediatek.com, alice.chao@mediatek.com, cc.chou@mediatek.com, chaotian.jing@mediatek.com, jiajie.hao@mediatek.com, yi-fan.peng@mediatek.com, qilin.tan@mediatek.com, lin.gui@mediatek.com, tun-yu.yu@mediatek.com, eddie.huang@mediatek.com, naomi.chu@mediatek.com, ed.tsai@mediatek.com References: <20250918104000.208856-1-peter.wang@mediatek.com> <20250918104000.208856-3-peter.wang@mediatek.com> Content-Language: en-US From: Bart Van Assche In-Reply-To: <20250918104000.208856-3-peter.wang@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/18/25 3:36 AM, peter.wang@mediatek.com wrote: > Correct clock scaling with PM QoS during suspend and resume. > Ensure PM QoS is released during suspend if scaling up and > re-applied after resume. This prevents performance issues > and maintains proper power management. Is this issue related in any way to the MediaTek UFS host driver? If not, please change this patch into a patch for the UFS core driver such that this issue is fixed for all UFS host drivers at once. Thanks, Bart.