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SubjectRe: [PATCH 1/3] net: thunderx: Cleanup PHY probing code.
On 03/11/2016 09:31 AM, Andrew Lunn wrote:
>> + phy_np = of_parse_phandle(node, "phy-handle", 0);
>> + /* If there is no phy or defective firmware presents
>> + * this cortina phy, for which there is no driver
>> + * support, ignore it.
>> + */
>> + if (phy_np &&
>> + !of_device_is_compatible(phy_np, "cortina,cs4223-slice")) {
>
> Hi David
>
> What is a cortina,cs4223-slice,

It is 1/4 of:

https://www.inphi.com/products/cs4223.php

> and why does it need to be handled differently?
>

$ ls drivers/net/phy/*cortina*
ls: cannot access drivers/net/phy/*cortina*: No such file or directory

For this configuration of thunder_bgx.c, the use of a Linux PHY driver
is optional.

The firmware should probably not specify a PHY here, but it does so we
ignore it so we don't wait around forever for the non-existent driver to
bind.


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