linux-kernel - Re: [PATCH] nvme-pci: Do not prevent PCI bus-level PM from being used

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Message-ID: <20190807104353.GA11356@lst.de>
Date:   Wed, 7 Aug 2019 12:43:53 +0200
From:   Christoph Hellwig <hch@....de>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Keith Busch <kbusch@...nel.org>,
        Mario Limonciello <Mario.Limonciello@...l.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Keith Busch <keith.busch@...el.com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme <linux-nvme@...ts.infradead.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rajat Jain <rajatja@...gle.com>,
        Linux PCI <linux-pci@...r.kernel.org>,
        Bjorn Helgaas <helgaas@...nel.org>
Subject: Re: [PATCH] nvme-pci: Do not prevent PCI bus-level PM from being
 used

> +	if (pm_suspend_via_firmware() || !ctrl->npss || !pcie_aspm_enabled(pdev)) {



> +	mutex_lock(&aspm_lock);
> +	aspm_enabled = bridge->link_state ? bridge->link_state->aspm_enabled : 0;

Please fix the overly long lines..