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([2600:1700:65a0:78e0:514:7862:1503:8e4d]) by smtp.gmail.com with ESMTPSA id 98sm6073398oti.18.2019.08.19.11.57.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Aug 2019 11:57:56 -0700 (PDT) Subject: Re: [PATCH v3] nvme: Add quirk for LiteON CL1 devices running FW 22301111 To: Mario Limonciello , Keith Busch Cc: Jens Axboe , Christoph Hellwig , linux-nvme@lists.infradead.org, LKML , Ryan Hong , Crag Wang , sjg@google.com, Charles Hyde , Jared Dominguez References: <1565986579-10466-1-git-send-email-mario.limonciello@dell.com> From: Sagi Grimberg Message-ID: Date: Mon, 19 Aug 2019 11:57:55 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1565986579-10466-1-git-send-email-mario.limonciello@dell.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/16/19 1:16 PM, Mario Limonciello wrote: > One of the components in LiteON CL1 device has limitations that > can be encountered based upon boundary race conditions using the > nvme bus specific suspend to idle flow. > > When this situation occurs the drive doesn't resume properly from > suspend-to-idle. > > LiteON has confirmed this problem and fixed in the next firmware > version. As this firmware is already in the field, avoid running > nvme specific suspend to idle flow. > > Fixes: d916b1be94b6 ("nvme-pci: use host managed power state for suspend") > Link: http://lists.infradead.org/pipermail/linux-nvme/2019-July/thread.html > Signed-off-by: Mario Limonciello > Signed-off-by: Charles Hyde > --- Jens, can you please rebase for-linus so we have the needed dependency: 4eaefe8c621c6195c91044396ed8060c179f7aae