linux-kernel - Re: [PATCH v8 2/5] driver core: add deferring probe reason to devices

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Date:   Fri, 10 Jul 2020 17:25:46 +0200
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jernej Skrabec <jernej.skrabec@...l.net>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        linux-kernel@...r.kernel.org,
        "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jonas Karlman <jonas@...boo.se>, andy.shevchenko@...il.com,
        Mark Brown <broonie@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        linux-arm-kernel@...ts.infradead.org,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v8 2/5] driver core: add deferring probe reason to
 devices_deferred property


On 10.07.2020 15:31, Greg Kroah-Hartman wrote:
> On Thu, Jul 02, 2020 at 03:44:21PM +0200, Andrzej Hajda wrote:
>> /sys/kernel/debug/devices_deferred property contains list of deferred devices.
>> This list does not contain reason why the driver deferred probe, the patch
>> improves it.
>> The natural place to set the reason is dev_err_probe function introduced
>> recently, ie. if dev_err_probe will be called with -EPROBE_DEFER instead of
>> printk the message will be attached to a deferred device and printed when user
>> reads devices_deferred property.
>>
>> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
>> Reviewed-by: Mark Brown <broonie@...nel.org>
>> Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
>> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
>> Reviewed-by: Rafael J. Wysocki <rafael@...nel.org>
>> ---
>> v8:
>> - improved commit message
> I'm totally confused by this series.  Can you resend the whole thing,
> as a full series, not just random individual patches in the series
> incremented?  It's a pain to try to fish them all out as to which is the
> "latest" with all of the needed reviewed by lines :(


v7 is the latest except this one,which contains only commit message change.

Anyway I will send v8 to make things simple.


Regards

Andrzej


>
> thanks,
>
> greg k-h
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