linux-kernel - Re: [PATCH net v1] net: mscc: ocelot: fix stat counter register values

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Date:   Wed, 10 May 2023 11:42:15 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Colin Foster <colin.foster@...advantage.com>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH net v1] net: mscc: ocelot: fix stat counter register
 values

On Tue, May 09, 2023 at 09:48:51PM -0700, Colin Foster wrote:
> Commit d4c367650704 ("net: mscc: ocelot: keep ocelot_stat_layout by reg
> address, not offset") organized the stats counters for Ocelot chips, namely
> the VSC7512 and VSC7514. A few of the counter offsets were incorrect, and
> were caught by this warning:
> 
> WARNING: CPU: 0 PID: 24 at drivers/net/ethernet/mscc/ocelot_stats.c:909
> ocelot_stats_init+0x1fc/0x2d8
> reg 0x5000078 had address 0x220 but reg 0x5000079 has address 0x214,
> bulking broken!
> 
> Fix these register offsets.
> 
> Fixes: d4c367650704 ("net: mscc: ocelot: keep ocelot_stat_layout by reg address, not offset")
> Signed-off-by: Colin Foster <colin.foster@...advantage.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>