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Message-ID: <CAHp75Vdw8pZePnqR=mmJh4pv0bPMRJE=p7-cG3akskdxMHmoKw@mail.gmail.com>
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>,
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Joel Stanley <joel@....id.au>,
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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>,
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Vladimir Zapolskiy <vz@...ia.com>,
Matthias Brugger <matthias.bgg@...il.com>,
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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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