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Date:   Fri, 1 Jul 2022 12:17:33 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Jiri Slaby <jirislaby@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Al Cooper <alcooperx@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Tobias Klauser <tklauser@...tanz.ch>,
        Russell King <linux@...linux.org.uk>,
        Vineet Gupta <vgupta@...nel.org>,
        Richard Genoud <richard.genoud@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Alexander Shiyan <shc_work@...l.ru>,
        Baruch Siach <baruch@...s.co.il>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Karol Gugala <kgugala@...micro.com>,
        Mateusz Holenko <mholenko@...micro.com>,
        Gabriel Somlo <gsomlo@...il.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Taichi Sugaya <sugaya.taichi@...ionext.com>,
        Takao Orito <orito.takao@...ionext.com>,
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        linux-stm32@...md-mailman.stormreply.com,
        Sparc kernel list <sparclinux@...r.kernel.org>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>
Subject: Re: [PATCH v2 2/2] serial: Set probe_no_timeout for all DT based drivers

On Fri, Jul 1, 2022 at 3:28 AM Saravana Kannan <saravanak@...gle.com> wrote:
>
> With commit 71066545b48e ("driver core: Set fw_devlink.strict=1 by
> default") the probing of TTY consoles could get delayed if they have
> optional suppliers that are listed in DT, but those suppliers don't
> probe by the time kernel boot finishes. The console devices will probe
> eventually after driver_probe_timeout expires.
>
> However, since consoles are often used for debugging kernel issues, it
> does not make sense to delay their probe. So, set the newly added
> probe_no_timeout flag for all serial drivers that at DT based. This way,
> fw_devlink will know not to delay the probing of the consoles past
> kernel boot.

Same question, do you think only serial drivers need that?

-- 
With Best Regards,
Andy Shevchenko

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