linux-kernel - Re: [PATCH net] net: dsa: microchip: ksz8795: really set the correct number of ports

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Date:   Wed, 16 Sep 2020 17:47:23 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     matthias.schiffer@...tq-group.com
Cc:     woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com,
        andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        kuba@...nel.org, codrin.ciubotariu@...rochip.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: microchip: ksz8795: really set the
 correct number of ports

From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
Date: Wed, 16 Sep 2020 12:08:39 +0200

> The KSZ9477 and KSZ8795 use the port_cnt field differently: For the
> KSZ9477, it includes the CPU port(s), while for the KSZ8795, it doesn't.
> 
> It would be a good cleanup to make the handling of both drivers match,
> but as a first step, fix the recently broken assignment of num_ports in
> the KSZ8795 driver (which completely broke probing, as the CPU port
> index was always failing the num_ports check).
> 
> Fixes: af199a1a9cb0 ("net: dsa: microchip: set the correct number of
> ports")

Please do not a tag into multiple lines.  Especially do not do this
with Fixes tags as people will do string matching on it.

> Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>

Applied and queued up for -stable.

Thanks.