netdev - Re: [PATCH net-next 08/10] net: stmmac: move xgmac specific phylink caps to dwxgmac2 core

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Date: Sat, 26 Aug 2023 16:36:46 +0300
From: Serge Semin <fancer.lancer@...il.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>, 
	Jose Abreu <joabreu@...opsys.com>, Andrew Lunn <andrew@...n.ch>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Feiyang Chen <chenfeiyang@...ngson.cn>, Heiner Kallweit <hkallweit1@...il.com>, 
	Jakub Kicinski <kuba@...nel.org>, linux-arm-kernel@...ts.infradead.org, 
	linux-stm32@...md-mailman.stormreply.com, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next 08/10] net: stmmac: move xgmac specific phylink
 caps to dwxgmac2 core

On Thu, Aug 24, 2023 at 02:38:29PM +0100, Russell King (Oracle) wrote:
> Move the xgmac specific phylink capabilities to the dwxgmac2 support
> core.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 10 ++++++++++
>  drivers/net/ethernet/stmicro/stmmac/stmmac_main.c   | 10 ----------
>  2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> index 34e1b0c3f346..f352be269deb 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> @@ -47,6 +47,14 @@ static void dwxgmac2_core_init(struct mac_device_info *hw,
>  	writel(XGMAC_INT_DEFAULT_EN, ioaddr + XGMAC_INT_EN);
>  }
>  

> +static void xgmac_phylink_get_caps(struct stmmac_priv *priv)

Also after splitting this method up into DW XGMAC v2.x and DW XLGMAC
v2.x specific functions please preserve the local naming convention:
use dwxgmac2_ and dwxlgmac2_ prefixes.

-Serge(y)

> +{
> +	priv->phylink_config.mac_capabilities |= MAC_2500FD | MAC_5000FD |
> +						 MAC_10000FD | MAC_25000FD |
> +						 MAC_40000FD | MAC_50000FD |
> +						 MAC_100000FD;
> +}
> +
>  static void dwxgmac2_set_mac(void __iomem *ioaddr, bool enable)
>  {
>  	u32 tx = readl(ioaddr + XGMAC_TX_CONFIG);
> @@ -1490,6 +1498,7 @@ static void dwxgmac3_fpe_configure(void __iomem *ioaddr, u32 num_txq,
>  
>  const struct stmmac_ops dwxgmac210_ops = {
>  	.core_init = dwxgmac2_core_init,
> +	.phylink_get_caps = xgmac_phylink_get_caps,
>  	.set_mac = dwxgmac2_set_mac,
>  	.rx_ipc = dwxgmac2_rx_ipc,
>  	.rx_queue_enable = dwxgmac2_rx_queue_enable,
> @@ -1551,6 +1560,7 @@ static void dwxlgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
>  
>  const struct stmmac_ops dwxlgmac2_ops = {
>  	.core_init = dwxgmac2_core_init,
> +	.phylink_get_caps = xgmac_phylink_get_caps,
>  	.set_mac = dwxgmac2_set_mac,
>  	.rx_ipc = dwxgmac2_rx_ipc,
>  	.rx_queue_enable = dwxlgmac2_rx_queue_enable,
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index 0b02845e7e9d..5cf8304564c6 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -1227,16 +1227,6 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
>  	/* Get the MAC specific capabilities */
>  	stmmac_mac_phylink_get_caps(priv);
>  
> -	if (priv->plat->has_xgmac) {
> -		priv->phylink_config.mac_capabilities |= MAC_2500FD;
> -		priv->phylink_config.mac_capabilities |= MAC_5000FD;
> -		priv->phylink_config.mac_capabilities |= MAC_10000FD;
> -		priv->phylink_config.mac_capabilities |= MAC_25000FD;
> -		priv->phylink_config.mac_capabilities |= MAC_40000FD;
> -		priv->phylink_config.mac_capabilities |= MAC_50000FD;
> -		priv->phylink_config.mac_capabilities |= MAC_100000FD;
> -	}
> -
>  	/* Half-Duplex can only work with single queue */
>  	if (priv->plat->tx_queues_to_use > 1)
>  		priv->phylink_config.mac_capabilities &=
> -- 
> 2.30.2
> 
>