linux-kernel - RE: [PATCH net-next v6 2/4] net: dsa: mv88e6xxx: Add support for ethernet switch 88E6341

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Message-ID: <39e62380a498403d94961d066a8bba6b@SC-EXCH01.marvell.com>
Date:   Wed, 25 Jan 2017 18:58:25 +0000
From:   Jon Pannell <jpannell@...vell.com>
To:     Gregory CLEMENT <gregory.clement@...e-electrons.com>,
        Andrew Lunn <andrew@...n.ch>,
        Bob Bernstein <robertb@...vell.com>
CC:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jason Cooper <jason@...edaemon.net>,
        "Sebastian Hesselbarth" <sebastian.hesselbarth@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Nadav Haklai <nadavh@...vell.com>,
        Wilson Ding <dingwei@...vell.com>,
        Kostya Porotchkin <kostap@...vell.com>,
        Joe Zhou <shjzhou@...vell.com>
Subject: RE: [PATCH net-next v6 2/4] net: dsa: mv88e6xxx: Add support for
 ethernet switch 88E6341

Adding Bob Bernstein

Jon Pannell


-----Original Message-----
From: Gregory CLEMENT [mailto:gregory.clement@...e-electrons.com] 
Sent: Tuesday, January 24, 2017 11:56 PM
To: Andrew Lunn <andrew@...n.ch>
Cc: Vivien Didelot <vivien.didelot@...oirfairelinux.com>; Florian Fainelli <f.fainelli@...il.com>; netdev@...r.kernel.org; linux-kernel@...r.kernel.org; David S. Miller <davem@...emloft.net>; Jason Cooper <jason@...edaemon.net>; Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>; Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>; linux-arm-kernel@...ts.infradead.org; Nadav Haklai <nadavh@...vell.com>; Wilson Ding <dingwei@...vell.com>; Kostya Porotchkin <kostap@...vell.com>; Joe Zhou <shjzhou@...vell.com>; Jon Pannell <jpannell@...vell.com>
Subject: Re: [PATCH net-next v6 2/4] net: dsa: mv88e6xxx: Add support for ethernet switch 88E6341

Hi Andrew,
 
 On mer., janv. 25 2017, Andrew Lunn <andrew@...n.ch> wrote:

>> +	[MV88E6341] = {
>> +		.prod_num = PORT_SWITCH_ID_PROD_NUM_6341,
>> +		.family = MV88E6XXX_FAMILY_6341,
>> +		.name = "Marvell 88E6341",
>> +		.num_databases = 4096,
>> +		.num_ports = 6,
>> +		.port_base_addr = 0x10,
>> +		.global1_addr = 0x1b,
>> +		.age_time_coeff = 15000,
>
> Hi Gregory
>
> Please could you check this timer in the datasheet. There is currently 
> a bug in the mv88e6390 support code. I also set it to 15s. But in fact 
> it is 3.75 seconds. The 6341 might also use 3.75 seconds.

When I read your series I also thought about it and indeed it is 3.75 seconds. I will fix it.

Thanks,

Gregory


>
>    Thanks
> 	Andrew

--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux development, consulting, training and support.
http://free-electrons.com