Re: [PATCH v2 13/15] net: phy: adin: configure downshift on config_init

[Heiner Kallweit]

On 08.08.2019 14:30, Alexandru Ardelean wrote:
> Down-speed auto-negotiation may not always be enabled, in which case the
> PHY won't down-shift to 100 or 10 during auto-negotiation.
> 
> This change enables downshift and configures the number of retries to
> default 8 (maximum supported value).
> 
> The change has been adapted from the Marvell PHY driver.
> 
Instead of a fixed downshift setting (like in the Marvell driver) you
may consider to implement the ethtool phy-tunable ETHTOOL_PHY_DOWNSHIFT.
See the Aquantia PHY driver for an example.
Then the user can configure whether he wants downshift and if yes after
how many retries.

> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> ---
>  drivers/net/phy/adin.c | 39 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 39 insertions(+)
[...]

Heiner