linux-kernel - Re: [PATCH v2] net: dsa: sja1105: print info about probed chip only after everything was done.

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Message-ID: <CA+h21hrs0Fo3-xS4GNwyFhJmbk+_xeY+WxondH06GWbH5PJFYg@mail.gmail.com>
Date:   Tue, 26 Nov 2019 11:42:42 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     mkl@...gutronix.de, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>, kernel@...gutronix.de,
        netdev <netdev@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, david@...tonic.nl
Subject: Re: [PATCH v2] net: dsa: sja1105: print info about probed chip only
 after everything was done.

Hi Oleksij,

On Tue, 26 Nov 2019 at 11:30, Oleksij Rempel <o.rempel@...gutronix.de> wrote:
>
> Currently we will get "Probed switch chip" notification multiple times
> if first probe failed by some reason. To avoid this confusing notifications move
> dev_info to the end of probe.
>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> ---

The merge window just opened yesterday:
http://vger.kernel.org/~davem/net-next.html.
Come back in 2 weeks with this patch for net-next.

>  drivers/net/dsa/sja1105/sja1105_main.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
> index aa140662c7c2..34544b1c30dc 100644
> --- a/drivers/net/dsa/sja1105/sja1105_main.c
> +++ b/drivers/net/dsa/sja1105/sja1105_main.c
> @@ -2191,8 +2191,6 @@ static int sja1105_probe(struct spi_device *spi)
>                 return rc;
>         }
>
> -       dev_info(dev, "Probed switch chip: %s\n", priv->info->name);
> -
>         ds = dsa_switch_alloc(dev, SJA1105_NUM_PORTS);
>         if (!ds)
>                 return -ENOMEM;
> @@ -2218,7 +2216,13 @@ static int sja1105_probe(struct spi_device *spi)
>
>         sja1105_tas_setup(ds);
>
> -       return dsa_register_switch(priv->ds);
> +       rc = dsa_register_switch(priv->ds);
> +       if (rc)
> +               return rc;
> +
> +       dev_info(dev, "Probed switch chip: %s\n", priv->info->name);
> +
> +       return 0;
>  }
>
>  static int sja1105_remove(struct spi_device *spi)
> --
> 2.24.0
>

Thanks,
-Vladimir