netdev - Re: [PATCH net-next v3 2/6] net: dsa: qca: ar9331: make proper initial port defaults

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Date:   Tue, 3 Aug 2021 08:36:25 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Vladimir Oltean <olteanv@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/6] net: dsa: qca: ar9331: make proper
 initial port defaults

On Mon, Aug 02, 2021 at 09:45:14PM +0200, Andrew Lunn wrote:
> > > +/* AGE_TIME_COEF is not documented. This is "works for me" value */
> > > +#define AR9331_SW_AT_AGE_TIME_COEF		6900
> > 
> > Not documented, not used either, it seems.
> > "Works for you" based on what?
> 
> It is used in a later patch. Ideally it would of been introduced in
> that patch to make this more obvious.

ack, i'll move it from this patch

> > >  #define AR9331_SW_REG_MDIO_CTRL			0x98
> > >  #define AR9331_SW_MDIO_CTRL_BUSY		BIT(31)
> > >  #define AR9331_SW_MDIO_CTRL_MASTER_EN		BIT(30)
> > > @@ -101,6 +111,46 @@
> > >  	 AR9331_SW_PORT_STATUS_RX_FLOW_EN | AR9331_SW_PORT_STATUS_TX_FLOW_EN | \
> > >  	 AR9331_SW_PORT_STATUS_SPEED_M)
> > 
> > Is this patch material for "net"? If standalone ports is all that ar9331
> > supports, then it would better not do packet forwarding in lack of a
> > bridge device.
> 
> It does seem like this patch should be considered for stable, if by
> default all ports can talk with all ports when not part of a bridge.

ack, i'll split this patch set

Regards,
Oleksij
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