[Intel-wired-lan] [PATCH 2/3] net: igb: add phy read/write functions that accept phy addr

[Alexander Duyck <alexander.duyck@gmail.com>]

On 05/11/2015 08:27 AM, Tim Harvey wrote:
> On Fri, May 8, 2015 at 6:07 PM, Alexander Duyck
> <alexander.duyck@gmail.com> wrote:
>> On 04/30/2015 11:19 AM, Tim Harvey wrote:
>>> Add igb_write_reg_gs40g/igb_read_reg_gs40g that can be passed a phy
>>> address.
>>> The existing igb_write_phy_reg_gs40g/igb_read_phy_reg_gs40g become
>>> wrappers
>>> to this function.
>>>
>>> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
>>
>> I'm pretty sure this isn't useful as well.  You really should not be doing
>> any phy address/MDICNFG manipulation in these calls.
> Alexander,
>
> This patch is to support phylib which requires mdio functions that can
> pass a phy address rather than take it from the e1000_phy_info
> structure.
>
> Tim

Tim,

You only require PHY address support if you support multiple addresses.  
From what I can tell you don't.  You lock it down to only one address 
via the mask field when you are initializing the phylib structures.

- Alex