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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 59D05C433ED for ; Fri, 23 Apr 2021 04:23:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 30A1D6120D for ; Fri, 23 Apr 2021 04:23:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232012AbhDWEYW (ORCPT ); Fri, 23 Apr 2021 00:24:22 -0400 Received: from mga11.intel.com ([192.55.52.93]:26473 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229454AbhDWEYV (ORCPT ); Fri, 23 Apr 2021 00:24:21 -0400 IronPort-SDR: wFqGTwFgwe5ZrqZlcqj5i+UCCS8rNkIvLG0SHozNqkoG2tn/Th5t7SQfeVfqNtWr/euiq8Ds6b yr3Qh8YYFX0w== X-IronPort-AV: E=McAfee;i="6200,9189,9962"; a="192826844" X-IronPort-AV: E=Sophos;i="5.82,244,1613462400"; d="scan'208";a="192826844" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2021 21:23:42 -0700 IronPort-SDR: JWllVoPk43r/S37hMosekdbLOWwH5eSI71rVdydNgg/A79tHqHwkYEHL+druSP8sqMtQPH6Uuo d36xkU6Pg8kQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,244,1613462400"; d="scan'208";a="421627321" Received: from ahunter-desktop.fi.intel.com (HELO [10.237.72.174]) ([10.237.72.174]) by fmsmga008.fm.intel.com with ESMTP; 22 Apr 2021 21:23:35 -0700 Subject: Re: [PATCH v20 1/2] scsi: ufs: Enable power management for wlun To: "Asutosh Das (asd)" , cang@codeaurora.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Krzysztof Kozlowski , Stanley Chu , Andy Gross , Bjorn Andersson , Steven Rostedt , Ingo Molnar , Matthias Brugger , Lee Jones , Bean Huo , Kiwoong Kim , Colin Ian King , Wei Yongjun , Yue Hu , Bart van Assche , "Gustavo A. R. Silva" , Dinghao Liu , Jaegeuk Kim , Satya Tangirala , open list , "moderated list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "open list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "moderated list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER..." References: <07e3ea07-e1c3-7b8c-e398-8b008f873e6d@codeaurora.org> <90809796-1c32-3709-13d3-65e4d5c387cc@intel.com> <1bc4a73e-b22a-6bad-2583-3a0ffa979414@intel.com> <651f5d8a-5ab7-77dd-3fed-05feb3fd3e1a@codeaurora.org> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: Date: Fri, 23 Apr 2021 07:23:49 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <651f5d8a-5ab7-77dd-3fed-05feb3fd3e1a@codeaurora.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 22/04/21 7:38 pm, Asutosh Das (asd) wrote: > On 4/20/2021 12:42 AM, Adrian Hunter wrote: >> On 20/04/21 7:15 am, Adrian Hunter wrote: >>> On 20/04/21 12:53 am, Asutosh Das (asd) wrote: >>>> On 4/19/2021 11:37 AM, Adrian Hunter wrote: >>>>> On 16/04/21 10:49 pm, Asutosh Das wrote: >>>>>> >>>>>> Co-developed-by: Can Guo >>>>>> Signed-off-by: Can Guo >>>>>> Signed-off-by: Asutosh Das >>>>>> --- >>>>> >>>>> I came across 3 issues while testing.  See comments below. >>>>> >>>> Hi Adrian >>>> Thanks for the comments. >>>>> >>>>> >>>>>> @@ -5794,7 +5839,7 @@ static void ufshcd_err_handling_unprepare(struct ufs_hba *hba) >>>>>>        if (ufshcd_is_clkscaling_supported(hba)) >>>>>>            ufshcd_clk_scaling_suspend(hba, false); >>>>>>        ufshcd_clear_ua_wluns(hba); >>>>> >>>>> ufshcd_clear_ua_wluns() deadlocks trying to clear UFS_UPIU_RPMB_WLUN >>>>> if sdev_rpmb is suspended and sdev_ufs_device is suspending. >>>>> e.g. ufshcd_wl_suspend() is waiting on host_sem while ufshcd_err_handler() >>>>> is running, at which point sdev_rpmb has already suspended. >>>>> >>>> Umm, I didn't understand this deadlock. >>>> When you say, sdev_rpmb is suspended, does it mean runtime_suspended? >>>> sdev_ufs_device is suspending - this can't be runtime_suspending, while ufshcd_err_handling_unprepare is running. >>>> >>>> If you've a call-stack of this deadlock, please can you share it with me. I'll also try to reproduce this. >>> >>> Yes it is system suspend. sdev_rpmb has suspended, sdev_ufs_device is waiting on host_sem. >>> ufshcd_err_handler() holds host_sem. ufshcd_clear_ua_wlun(UFS_UPIU_RPMB_WLUN) gets stuck. >>> I will get some call-stacks. >> > Hi Adrian, > > Thanks for the call stacks. > From the current information, I can't say for sure why it'd get stuck in blk_queue_enter(). I presume SCSI is leaving the RPMB WLUN device runtime suspended and consequently the queue status is RPM_SUSPENDED > > I tried reproducing this issue on my setup yesterday but couldn't. > Here's what I did: > 1. sdev_rpmb is RPM_SUSPENDED, checked before initiating system suspend > 2. sdev_ufs_device is RPM_RESUMED > 3. I triggered system suspend (echo mem > /sys/power/state) and scheduled the error handler from ufshcd_wl_suspend(). > 4. Waited until error handler ran and then ufshcd_wl_suspend() blocks on host_sem. > 5. The ufshcd_clear_wa_wlun(UFS_UPIU_RPMB_WLUN) went through fine. > > Do you've some specific steps to reproduce this or a script, perhaps? If so, please can you share it with me. I will try again. I was using a device that gives occasional errors, but I will what see I can do. > My test environment is in 5.10 kernel with Android, I suppose that should be ok though. > > Thanks > -asd > >> Here are the call stacks >> >> [   34.094321] Workqueue: ufs_eh_wq_0 ufshcd_err_handler >> [   34.094788] Call Trace: >> [   34.095281]  __schedule+0x275/0x6c0 >> [   34.095743]  schedule+0x41/0xa0 >> [   34.096240]  blk_queue_enter+0x10d/0x230 >> [   34.096693]  ? wait_woken+0x70/0x70 >> [   34.097167]  blk_mq_alloc_request+0x53/0xc0 >> [   34.097610]  blk_get_request+0x1e/0x60 >> [   34.098053]  __scsi_execute+0x3c/0x260 >> [   34.098529]  ufshcd_clear_ua_wlun.cold+0xa6/0x14b >> [   34.098977]  ufshcd_clear_ua_wluns.part.0+0x4d/0x92 >> [   34.099456]  ufshcd_err_handler+0x97a/0x9ff >> [   34.099902]  process_one_work+0x1cc/0x360 >> [   34.100384]  worker_thread+0x45/0x3b0 >> [   34.100851]  ? process_one_work+0x360/0x360 >> [   34.101308]  kthread+0xf6/0x130 >> [   34.101728]  ? kthread_park+0x80/0x80 >> [   34.102186]  ret_from_fork+0x1f/0x30 >> >> [   34.640751] task:kworker/u10:9   state:D stack:14528 pid:  255 ppid:     2 flags:0x00004000 >> [   34.641253] Workqueue: events_unbound async_run_entry_fn >> [   34.641722] Call Trace: >> [   34.642217]  __schedule+0x275/0x6c0 >> [   34.642683]  schedule+0x41/0xa0 >> [   34.643179]  schedule_timeout+0x18b/0x290 >> [   34.643645]  ? del_timer_sync+0x30/0x30 >> [   34.644131]  __down_timeout+0x6b/0xc0 >> [   34.644568]  ? ufshcd_clkscale_enable_show+0x20/0x20 >> [   34.645014]  ? async_schedule_node_domain+0x17d/0x190 >> [   34.645496]  down_timeout+0x42/0x50 >> [   34.645947]  ufshcd_wl_suspend+0x79/0xa0 >> [   34.646432]  ? scmd_printk+0x100/0x100 >> [   34.646917]  scsi_bus_suspend_common+0x56/0xc0 >> [   34.647405]  ? scsi_bus_freeze+0x10/0x10 >> [   34.647858]  dpm_run_callback+0x45/0x110 >> [   34.648347]  __device_suspend+0x117/0x460 >> [   34.648788]  async_suspend+0x16/0x90 >> [   34.649251]  async_run_entry_fn+0x26/0x110 >> [   34.649676]  process_one_work+0x1cc/0x360 >> [   34.650137]  worker_thread+0x45/0x3b0 >> [   34.650563]  ? process_one_work+0x360/0x360 >> [   34.650994]  kthread+0xf6/0x130 >> [   34.651455]  ? kthread_park+0x80/0x80 >> [   34.651882]  ret_from_fork+0x1f/0x30 >> >> >> >>> >>>> >>>> I'll address the other comments in the next version. >>>> >>>> >>>> Thank you! >>>> >>>>>> -    pm_runtime_put(hba->dev); >>>>>> +    ufshcd_rpm_put(hba); >>>>>>    } >>>>> >>>>> >>>>> >>>>>> +void ufshcd_resume_complete(struct device *dev) >>>>>> +{ >>>> >>> >> > > 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=-15.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 92817C433ED for ; Fri, 23 Apr 2021 04:24:32 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 09EB86120D for ; Fri, 23 Apr 2021 04:24:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09EB86120D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vXf1aZSZNLLG6gS//v4dhqEhJub6Eyk7puRCGJZABgs=; b=CfjpMzsD9pMXx/FKHQKSV/zL1 8rWzAcN28zE/5ZAHd1wcPovTQPr0fpL6Ct5sZHRtk/Qmp4iXeCYJMCEIKkwxdx3ewqHgIM3vxjzol UMXXK3ojUFHzS9Xy1gNdKbNbYIXvgGKmzFjtGMn0d3EZibhPO8bwQpoOkCxAZmErtIHKxst7Wkjwn UGcC/y4Y5JsBy31cTuXfCWwoWUzzSdmakmIo32N4QVt5TfnIUIMcLhNzMYb9gPkT7d/Pog3lCRent hRe6TT3bzVCRF9gjKWJ9yjDMclUs+t94MBHjjDwhbIdPuDCyFf/pGZLa+kCCes9TVayJNW6yUlEgW Ro0vMjvXA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lZnMV-000aMO-MU; Fri, 23 Apr 2021 04:24:15 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZnMF-000aK6-GW; Fri, 23 Apr 2021 04:24:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=CUiblx+sNmD/UMw/X1PCkq6k0BvtYXLpp2+YlvE0/g4=; b=KRvUSVb9qzi4gU8z33FxeGza5W jvIqxOrGoPZCs/Qb3ZCwHTXob1H6lSgGvaloIotukOh8+TKr9vGA4ZVurtoNSUYTH1JhVQCNZ8HRB 6rQffcyIgg+YQWQgGw15YT5/Tx+KPjhpOWbGX/NZPOfFCDb9SkiNHbzfXy3wxFYJoxgrCmsFAWWI0 EdAk4GhrDgxmlm6a9poQ7NysZr8ybYMH5+3FG4F3psOAxw4lhyvb9GbYrL7qyXKl+KI6qG+1P/KO+ Nsn6N88/Xq1a9haM/Oq0XCtlZEgvg5i5L40bCehL93bEJiOF405m782U94eIH0M6kLN8xVVwNqasD sZyTMYSA==; Received: from mga02.intel.com ([134.134.136.20]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZnMC-00E8j8-5F; Fri, 23 Apr 2021 04:23:57 +0000 IronPort-SDR: oEk+JV7i8ejFHLNLNs1ms0mdBAVFX9WT7PBQBDowMnYknE5XMxCidvlEUlYKAGf+p3TMVcbtvL K+Ye2RSir0bw== X-IronPort-AV: E=McAfee;i="6200,9189,9962"; a="183144067" X-IronPort-AV: E=Sophos;i="5.82,244,1613462400"; d="scan'208";a="183144067" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2021 21:23:42 -0700 IronPort-SDR: JWllVoPk43r/S37hMosekdbLOWwH5eSI71rVdydNgg/A79tHqHwkYEHL+druSP8sqMtQPH6Uuo d36xkU6Pg8kQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,244,1613462400"; d="scan'208";a="421627321" Received: from ahunter-desktop.fi.intel.com (HELO [10.237.72.174]) ([10.237.72.174]) by fmsmga008.fm.intel.com with ESMTP; 22 Apr 2021 21:23:35 -0700 Subject: Re: [PATCH v20 1/2] scsi: ufs: Enable power management for wlun To: "Asutosh Das (asd)" , cang@codeaurora.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Krzysztof Kozlowski , Stanley Chu , Andy Gross , Bjorn Andersson , Steven Rostedt , Ingo Molnar , Matthias Brugger , Lee Jones , Bean Huo , Kiwoong Kim , Colin Ian King , Wei Yongjun , Yue Hu , Bart van Assche , "Gustavo A. R. Silva" , Dinghao Liu , Jaegeuk Kim , Satya Tangirala , open list , "moderated list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "open list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "moderated list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER..." References: <07e3ea07-e1c3-7b8c-e398-8b008f873e6d@codeaurora.org> <90809796-1c32-3709-13d3-65e4d5c387cc@intel.com> <1bc4a73e-b22a-6bad-2583-3a0ffa979414@intel.com> <651f5d8a-5ab7-77dd-3fed-05feb3fd3e1a@codeaurora.org> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: Date: Fri, 23 Apr 2021 07:23:49 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <651f5d8a-5ab7-77dd-3fed-05feb3fd3e1a@codeaurora.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210422_212356_266871_366528D8 X-CRM114-Status: GOOD ( 23.88 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org T24gMjIvMDQvMjEgNzozOCBwbSwgQXN1dG9zaCBEYXMgKGFzZCkgd3JvdGU6Cj4gT24gNC8yMC8y MDIxIDEyOjQyIEFNLCBBZHJpYW4gSHVudGVyIHdyb3RlOgo+PiBPbiAyMC8wNC8yMSA3OjE1IGFt LCBBZHJpYW4gSHVudGVyIHdyb3RlOgo+Pj4gT24gMjAvMDQvMjEgMTI6NTMgYW0sIEFzdXRvc2gg RGFzIChhc2QpIHdyb3RlOgo+Pj4+IE9uIDQvMTkvMjAyMSAxMTozNyBBTSwgQWRyaWFuIEh1bnRl ciB3cm90ZToKPj4+Pj4gT24gMTYvMDQvMjEgMTA6NDkgcG0sIEFzdXRvc2ggRGFzIHdyb3RlOgo+ Pj4+Pj4KPj4+Pj4+IENvLWRldmVsb3BlZC1ieTogQ2FuIEd1byA8Y2FuZ0Bjb2RlYXVyb3JhLm9y Zz4KPj4+Pj4+IFNpZ25lZC1vZmYtYnk6IENhbiBHdW8gPGNhbmdAY29kZWF1cm9yYS5vcmc+Cj4+ Pj4+PiBTaWduZWQtb2ZmLWJ5OiBBc3V0b3NoIERhcyA8YXN1dG9zaGRAY29kZWF1cm9yYS5vcmc+ Cj4+Pj4+PiAtLS0KPj4+Pj4KPj4+Pj4gSSBjYW1lIGFjcm9zcyAzIGlzc3VlcyB3aGlsZSB0ZXN0 aW5nLsKgIFNlZSBjb21tZW50cyBiZWxvdy4KPj4+Pj4KPj4+PiBIaSBBZHJpYW4KPj4+PiBUaGFu a3MgZm9yIHRoZSBjb21tZW50cy4KPj4+Pj4gPFNOSVA+Cj4+Pj4+Cj4+Pj4+PiBAQCAtNTc5NCw3 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X-IronPort-AV: E=McAfee;i="6200,9189,9962"; a="183144067" X-IronPort-AV: E=Sophos;i="5.82,244,1613462400"; d="scan'208";a="183144067" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2021 21:23:42 -0700 IronPort-SDR: JWllVoPk43r/S37hMosekdbLOWwH5eSI71rVdydNgg/A79tHqHwkYEHL+druSP8sqMtQPH6Uuo d36xkU6Pg8kQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,244,1613462400"; d="scan'208";a="421627321" Received: from ahunter-desktop.fi.intel.com (HELO [10.237.72.174]) ([10.237.72.174]) by fmsmga008.fm.intel.com with ESMTP; 22 Apr 2021 21:23:35 -0700 Subject: Re: [PATCH v20 1/2] scsi: ufs: Enable power management for wlun To: "Asutosh Das (asd)" , cang@codeaurora.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Krzysztof Kozlowski , Stanley Chu , Andy Gross , Bjorn Andersson , Steven Rostedt , Ingo Molnar , Matthias Brugger , Lee Jones , Bean Huo , Kiwoong Kim , Colin Ian King , Wei Yongjun , Yue Hu , Bart van Assche , "Gustavo A. R. Silva" , Dinghao Liu , Jaegeuk Kim , Satya Tangirala , open list , "moderated list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "open list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" , "moderated list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER..." References: <07e3ea07-e1c3-7b8c-e398-8b008f873e6d@codeaurora.org> <90809796-1c32-3709-13d3-65e4d5c387cc@intel.com> <1bc4a73e-b22a-6bad-2583-3a0ffa979414@intel.com> <651f5d8a-5ab7-77dd-3fed-05feb3fd3e1a@codeaurora.org> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: Date: Fri, 23 Apr 2021 07:23:49 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <651f5d8a-5ab7-77dd-3fed-05feb3fd3e1a@codeaurora.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210422_212356_266871_366528D8 X-CRM114-Status: GOOD ( 23.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" 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