netdev - Re: [PATCH] net/fsl: quieten expected MDIO access failures

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Date:   Thu, 24 Sep 2020 17:32:21 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Jamie Iles <jamie@...iainc.com>
Cc:     netdev@...r.kernel.org, Jeremy Linton <jeremy.linton@....com>
Subject: Re: [PATCH] net/fsl: quieten expected MDIO access failures

On Thu, Sep 24, 2020 at 03:56:45PM +0100, Jamie Iles wrote:
> MDIO reads can happen during PHY probing, and printing an error with
> dev_err can result in a large number of error messages during device
> probe.  On a platform with a serial console this can result in
> excessively long boot times in a way that looks like an infinite loop
> when multiple busses are present.  Since 0f183fd151c (net/fsl: enable
> extended scanning in xgmac_mdio) we perform more scanning so there are
> potentially more failures.
> 
> Reduce the logging level to dev_dbg which is consistent with the
> Freescale enetc driver.
> 
> Cc: Jeremy Linton <jeremy.linton@....com>
> Signed-off-by: Jamie Iles <jamie@...iainc.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew