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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EF50C433F5 for ; Wed, 13 Oct 2021 11:41:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F5BF610D1 for ; Wed, 13 Oct 2021 11:41:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230146AbhJMLn6 (ORCPT ); Wed, 13 Oct 2021 07:43:58 -0400 Received: from mga18.intel.com ([134.134.136.126]:43862 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229571AbhJMLn6 (ORCPT ); Wed, 13 Oct 2021 07:43:58 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10135"; a="214349532" X-IronPort-AV: E=Sophos;i="5.85,370,1624345200"; d="scan'208";a="214349532" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2021 04:41:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,370,1624345200"; d="scan'208";a="570803894" Received: from ahunter-desktop.fi.intel.com (HELO [10.237.72.76]) ([10.237.72.76]) by fmsmga002.fm.intel.com with ESMTP; 13 Oct 2021 04:41:53 -0700 Subject: Re: [PATCH 0/1] scsi: ufs-pci: Force a full restore after suspend-to-disk To: Avri Altman , "Martin K . Petersen" Cc: "James E . J . Bottomley" , Bean Huo , "linux-scsi@vger.kernel.org" References: <20211012125914.21977-1-adrian.hunter@intel.com> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: <4b6b177e-2311-5c90-2eaa-e648aeaa5d72@intel.com> Date: Wed, 13 Oct 2021 14:41:52 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 13/10/2021 13:46, Avri Altman wrote: >> Hi >> >> This patch ensures suspend-to-disk works with Host Performance Booster. > What is "suspend-to-disk"? Hibernation, refer kernel config CONFIG_HIBERNATION i.e. echo disk > /sys/power/state > What power mode is used for that? Same as spm_lvl except ufshcd_wl_poweroff() naturally uses the same as shutdown i.e. POWERDOWN > > Thanks, > Avri > >> Since the Host Perfomance Booster feature was added in v5.15, please >> consider this for v5.15 fixes. >> >> >> Adrian Hunter (1): >> scsi: ufs-pci: Force a full restore after suspend-to-disk >> >> drivers/scsi/ufs/ufshcd-pci.c | 31 ++++++++++++++++--------------- >> 1 file changed, 16 insertions(+), 15 deletions(-) >> >> >> Regards >> Adrian