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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Sascha Hauer <sha@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v1 2/2] devinfo: print only devices with errors
Date: Wed, 16 Jun 2021 10:19:31 +0200	[thread overview]
Message-ID: <20210616081931.tvpyysrrciplwztc@pengutronix.de> (raw)
In-Reply-To: <20210616075903.GO9782@pengutronix.de>

On Wed, Jun 16, 2021 at 09:59:03AM +0200, Sascha Hauer wrote:
> Hi Oleksij,
> 
> On Sun, Jun 06, 2021 at 02:24:00PM +0200, Oleksij Rempel wrote:
> > Make use of device state flags and print only devices with errors.
> > The result will look like this:
> > barebox@RIoTboard i.MX6S:/ devinfo -e
> > `-- 2188000.ethernet@2188000.of <-- (error!)
> >    `-- miibus0
> >       `-- mdio0-phy04
> >          `-- 0x00000000-0x0000003f (  64 Bytes): /dev/mdio0-phy04
> >    `-- eth0
> 
> What advantages brings that over doing a dmesg and looking at the
> output?

It makes it possible to add additional handlers. For example, change
heartbeat pattern if some errors was detected. Or add board specific
selftest to check if listed devices was initialized without errors.

Regards,
Oleksij
-- 
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  reply	other threads:[~2021-06-16  8:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-06 12:23 [PATCH v1 1/2] add device state flags and add error state Oleksij Rempel
2021-06-06 12:24 ` [PATCH v1 2/2] devinfo: print only devices with errors Oleksij Rempel
2021-06-16  7:59   ` Sascha Hauer
2021-06-16  8:19     ` Oleksij Rempel [this message]
2021-06-21  8:07 ` [PATCH v1 1/2] add device state flags and add error state Ahmad Fatoum
2021-06-21  8:24   ` Bartosz Bilas

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