From: keith.busch@intel.com (Keith Busch)
Subject: [PATCH v2 2/2] nvme: Enable autonomous power state transitions
Date: Thu, 19 Jan 2017 15:15:30 -0500 [thread overview]
Message-ID: <20170119201530.GA31954@localhost.localdomain> (raw)
In-Reply-To: <9b150934a9d756f69ca241199af512925a4050ec.1484855622.git.luto@kernel.org>
On Thu, Jan 19, 2017@11:55:44AM -0800, Andy Lutomirski wrote:
> +static void nvme_set_latency_tolerance(struct device *dev, s32 val)
> +{
> + struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
> +
> + u64 latency;
> +
> + if (val == PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT ||
> + val == PM_QOS_LATENCY_ANY)
> + latency = U64_MAX;
> + else
> + latency = val;
> +
> + if (ctrl->ps_max_latency_us != val) {
> + ctrl->ps_max_latency_us = val;
Did you mean to use 'latency' here instead of 'val'? Otherwise, I don't
see why the latency variable exists.
> + nvme_configure_apst(ctrl);
> + }
> +}
next prev parent reply other threads:[~2017-01-19 20:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-19 19:55 [PATCH v2 0/2] nvme: APST support Andy Lutomirski
2017-01-19 19:55 ` [PATCH v2 1/2] nvme: Add a quirk mechanism that uses identify_ctrl Andy Lutomirski
2017-01-20 10:24 ` Christoph Hellwig
2017-01-19 19:55 ` [PATCH v2 2/2] nvme: Enable autonomous power state transitions Andy Lutomirski
2017-01-19 20:15 ` Keith Busch [this message]
2017-01-20 5:17 ` Andy Lutomirski
2017-01-20 10:30 ` Christoph Hellwig
2017-01-20 18:07 ` Andy Lutomirski
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