linux-kernel - Re: [RFC Patch net-next v3 2/3] net: dsa: microchip: add reference to ksz_device inside the ksz

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Message-ID: <Yw4G8FA1BjA9hfD4@lunn.ch>
Date:   Tue, 30 Aug 2022 14:47:44 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Arun Ramadoss <arun.ramadoss@...rochip.com>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Tristram Ha <Tristram.Ha@...rochip.com>
Subject: Re: [RFC Patch net-next v3 2/3] net: dsa: microchip: add reference
 to ksz_device inside the ksz_port

On Tue, Aug 30, 2022 at 04:23:02PM +0530, Arun Ramadoss wrote:
> struct ksz_port doesn't have reference to ksz_device as of now. In order
> to find out from which port interrupt has triggered, we need to pass the
> struct ksz_port as a host data. When the interrupt is triggered, we can
> get the port from which interrupt triggered, but to identify it is phy
> interrupt we have to read status register. The regmap structure for
> accessing the device register is present in the ksz_device struct. To
> access the ksz_device from the ksz_port, the reference is added to it
> with port number as well.
> 
> Signed-off-by: Arun Ramadoss <arun.ramadoss@...rochip.com>

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

    Andrew