linux-kernel - Re: [RFC PATCH 3/3] net: dsa: exit probe if no switch were found

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Message-ID: <20151001163257.GQ20219@lunn.ch>
Date:	Thu, 1 Oct 2015 18:32:57 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Neil Armstrong <narmstrong@...libre.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Jesper Dangaard Brouer <brouer@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 3/3] net: dsa: exit probe if no switch were found

On Thu, Oct 01, 2015 at 05:27:32PM +0200, Neil Armstrong wrote:
> On 09/30/2015 10:21 AM, Neil Armstrong wrote:
> > If no switch were found in dsa_setup_dst, return -ENODEV and
> > exit the dsa_probe cleanly.

...
 
> Couldn't we use the probe defer mechanism here ? (until complete rework is done)

Hi Neil

I was thinking the same last night. We know the switch should be
there, otherwise it would not be in DT. So returning -EPROBE_DEFER
would be valid.

      Andrew
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