netdev - Re: [PATCH 1/1] net: stmmac: Don't search for phys if mdio node is defined.

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Date:	Wed, 16 Mar 2016 21:18:38 +0800
From:	Phil Reid <preid@...ctromag.com.au>
To:	Giuseppe CAVALLARO <peppe.cavallaro@...com>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] net: stmmac: Don't search for phys if mdio node is
 defined.

On 16/03/2016 5:36 PM, Giuseppe CAVALLARO wrote:
> On 3/15/2016 8:34 AM, Phil Reid wrote:
>> If a dt mdio entry has been added least assume that we wont
>> search for phys attached. The DT and of_mdiobus_register already do
>> this. This stops DSA phys being found and phys created for them, as
>> this is handled by the DSA driver.
>
> iiuc, this doesn't conflict with the recent rework we are doing
> for the mdio/phy platform management.

It should apply equally well before or after the rework.


>
>> Signed-off-by: Phil Reid <preid@...ctromag.com.au>
>
> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
>
>> ---
>>   drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
>> index 3f5512f..06704ca 100644
>> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
>> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
>> @@ -235,6 +235,9 @@ int stmmac_mdio_register(struct net_device *ndev)
>>           goto bus_register_fail;
>>       }
>>
>> +    if (priv->plat->phy_node || mdio_node)
>> +        goto bus_register_done;
>> +
>>       found = 0;
>>       for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
>>           struct phy_device *phydev = mdiobus_get_phy(new_bus, addr);
>> @@ -290,6 +293,7 @@ int stmmac_mdio_register(struct net_device *ndev)
>>           return -ENODEV;
>>       }
>>
>> +bus_register_done:
>>       priv->mii = new_bus;
>>
>>       return 0;
>>
>
>
>


-- 
Regards
Phil Reid

ElectroMagnetic Imaging Technology Pty Ltd
Development of Geophysical Instrumentation & Software
www.electromag.com.au

3 The Avenue, Midland WA 6056, AUSTRALIA
Ph: +61 8 9250 8100
Fax: +61 8 9250 7100
Email: preid@...ctromag.com.au