linux-kernel - Re: [PATCH] nvme-pci: Add sleep quirk for Kingston drives

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Message-ID: <20231206092420.GA27348@lst.de>
Date:   Wed, 6 Dec 2023 10:24:20 +0100
From:   Christoph Hellwig <hch@....de>
To:     Werner Sembach <wse@...edocomputers.com>
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Georg Gottleuber <ggo@...edocomputers.com>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme-pci: Add sleep quirk for Kingston drives

What does save a lot of power mean, and why does it only apply to
some platforms?  I suspect the more likely case is that APST is
simply completely broken on this device?