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SubjectRe: [PATCH net-next 3/9] net: phy: add kr phy connection type
On Thu, Mar 26, 2020 at 03:51:16PM +0200, Florinel Iordache wrote:
> Add support for backplane kr phy connection types currently available
> (10gbase-kr, 40gbase-kr4) and the required phylink updates (cover all
> the cases for KR modes which are clause 45 compatible to correctly assign
> phy_interface and phylink#supported)
>
> Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
> ---
> drivers/net/phy/phylink.c | 15 ++++++++++++---
> include/linux/phy.h | 6 +++++-
> 2 files changed, 17 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
> index fed0c59..db1bb87 100644
> --- a/drivers/net/phy/phylink.c
> +++ b/drivers/net/phy/phylink.c
> @@ -4,6 +4,7 @@
> * technologies such as SFP cages where the PHY is hot-pluggable.
> *
> * Copyright (C) 2015 Russell King
> + * Copyright 2020 NXP
> */
> #include <linux/ethtool.h>
> #include <linux/export.h>
> @@ -303,7 +304,6 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
> break;
>
> case PHY_INTERFACE_MODE_USXGMII:
> - case PHY_INTERFACE_MODE_10GKR:

We might have a backwards compatibility issue here. If i remember
correctly, there are some boards out in the wild using
PHY_INTERFACE_MODE_10GKR not PHY_INTERFACE_MODE_10GBASER.

See e0f909bc3a242296da9ccff78277f26d4883a79d

Russell, what do you say about this?

Andrew

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