Re: [PATCH net-next 5/5] drivers/net/phy: add driver for the onsemi NCN26000 10BASE-T1S PHY

From: Leon Romanovsky
Date: Thu Jan 05 2023 - 04:07:34 EST


On Wed, Jan 04, 2023 at 03:07:05PM +0100, Piergiorgio Beruto wrote:
> This patch adds support for the onsemi NCN26000 10BASE-T1S industrial
> Ethernet PHY. The driver supports Point-to-Multipoint operation without
> auto-negotiation and with link control handling. The PHY also features
> PLCA for improving performance in P2MP mode.
>
> Signed-off-by: Piergiorgio Beruto <piergiorgio.beruto@xxxxxxxxx>
> ---
> MAINTAINERS | 7 ++
> drivers/net/phy/Kconfig | 7 ++
> drivers/net/phy/Makefile | 1 +
> drivers/net/phy/ncn26000.c | 171 +++++++++++++++++++++++++++++++++++++
> 4 files changed, 186 insertions(+)
> create mode 100644 drivers/net/phy/ncn26000.c

<...>

> +static int ncn26000_config_aneg(struct phy_device *phydev)
> +{
> + // Note: the NCN26000 supports only P2MP link mode. Therefore, AN is not
> + // supported. However, this function is invoked by phylib to enable the
> + // PHY, regardless of the AN support.

Please use C-style comments for multi lines blocks.

> + phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
> + phydev->mdix = ETH_TP_MDI;
> +
> + // bring up the link

Thanks