On 1/24/19 8:16 AM, Joe Hershberger wrote:
> On Wed, Jan 23, 2019 at 5:46 PM Vladimir Oltean <vladimir.olt...@nxp.com> 
> wrote:
>>
>> Signed-off-by: Vladimir Oltean <vladimir.olt...@nxp.com>
>> ---
>> Changes in v2:
>>   * Patch added in this version.
>>
>>   drivers/net/phy/atheros.c | 8 +++-----
>>   1 file changed, 3 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c
>> index 3783d15..b4066e3 100644
>> --- a/drivers/net/phy/atheros.c
>> +++ b/drivers/net/phy/atheros.c
>> @@ -57,11 +57,9 @@ static int ar8035_config(struct phy_device *phydev)
>>   {
>>          int regval;
>>
>> -       phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x0007);
>> -       phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
>> -       phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
>> -       regval = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
>> -       phy_write(phydev, MDIO_DEVAD_NONE, 0xe, (regval|0x0018));
>> +       /* CLK_25M output clock select: 125 MHz */
>> +       regval = phy_read_mmd(phydev, MDIO_MMD_AN, 0x8016);
>> +       phy_write_mmd(phydev, MDIO_MMD_AN, 0x8016, regval | 0x0018);
> 
> I think I see how the old code accomplished the same thing. It was
> woefully undocumented. Can you improve on the magic 0x18 number? What
> about 0x8016? Is that a register whose name you know and can assign a
> constant?
> 

Register MMD7 8016 has no name in the documentation that I can see. It 
is simply referred to as that. I'd rather keep it like this rather than 
create confusion by making up a name for it.

-Vladimir
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