netdev - Re: [PATCH net-next 5/5] net: dsa: mv88e6xxx: Implement the 6390 external MDIO bus

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Date:   Wed, 25 Jan 2017 09:13:05 +0100
From:   Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net-next 5/5] net: dsa: mv88e6xxx: Implement the 6390 external MDIO bus

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

>> diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
>> index 7d24add45e74..572d585dc1e2 100644
>> --- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
>> +++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
>> @@ -387,6 +387,7 @@
>>  #define GLOBAL2_PTP_AVB_DATA	0x17
>>  #define GLOBAL2_SMI_PHY_CMD			0x18
>>  #define GLOBAL2_SMI_PHY_CMD_BUSY		BIT(15)
>> +#define GLOBAL2_SMI_PHY_CMD_EXTERNAL		BIT(13)
>>  #define GLOBAL2_SMI_PHY_CMD_MODE_22		BIT(12)
>>  #define GLOBAL2_SMI_PHY_CMD_OP_22_WRITE_DATA	((0x1 << 10) | \
>
> Hi Gregory
>
> Please could you check if the 88E6341 has an external MDIO. Global 2,
> register 0x18, bit 13.

I confirm that 88E6341 has Global 2, register 0x18, bit 13 referred as
"External access"

Gregory

>
> Thanks
> 	Andrew

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