linux-kernel - Re: [PATCH] hwmon: peci: Bump timeout

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Message-ID: <2d717ded-3a0e-4f64-bb5c-4c10c7ac6d75@roeck-us.net>
Date:   Thu, 30 Nov 2023 20:05:57 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Patrick Rudolph <patrick.rudolph@...ements.com>
Cc:     Iwona Winiarska <iwona.winiarska@...el.com>,
        naresh.solanki@...ements.com, Jean Delvare <jdelvare@...e.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: peci: Bump timeout

On Thu, Nov 30, 2023 at 10:04:21AM +0100, Patrick Rudolph wrote:
> The PECI CPU sensors are available as soon as the CPU is powered,
> however the PECI DIMM sensors are available after DRAM has been
> trained and thresholds have been written by host firmware.
> 
> The default timeout of 30 seconds isn't enough for modern multisocket
> platforms utilizing DDR5 memory to bring up the memory and enable PECI
> sensor data.
> Bump the default timeout to 10 minutes in case the system starts
> without cached DDR5 training data.
> 
> Signed-off-by: Patrick Rudolph <patrick.rudolph@...ements.com>

Applied. Note that the affected driver (peci/dimmtemp) should be
listed in the subject. I updated that.

Guenter