linux-kernel - Re: [PATCH v2 3/4] driver core: Add fw_devlink.timeout param to stop waiting for devlinks

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Date:   Wed, 16 Nov 2022 08:09:15 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Douglas Anderson <dianders@...omium.org>,
        Saravana Kannan <saravanak@...gle.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        linux-arm-msm@...r.kernel.org, John Stultz <jstultz@...gle.com>,
        Peter Robinson <pbrobinson@...hat.com>,
        Steev Klimaszewski <steev@...i.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Enric Balletbo i Serra <eballetbo@...hat.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Brian Masney <bmasney@...hat.com>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v2 3/4] driver core: Add fw_devlink.timeout param to stop
 waiting for devlinks

Hi--

On 11/16/22 04:01, Javier Martinez Canillas wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index a465d5242774..38138a44d5ed 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -1581,6 +1581,13 @@
>  			dependencies. This only applies for fw_devlink=on|rpm.
>  			Format: <bool>
>  
> +	fw_devlink.timeout=
> +			[KNL] Debugging option to set a timeout in seconds for
> +			drivers to give up waiting on dependencies and to probe
> +			these are optional. A timeout of 0 will timeout at the
> +			end of initcalls. If the time out hasn't expired, it'll

			                         timeout

> +			be restarted by each successful driver registration.

-- 
~Randy