[PATCH net-next 1/6] net: stmmac: add support to use a generic phylink_pcs as PCS
From: Clément Léger <clement.leger@bootlin.com>
Date: 2023-01-16 10:37:43
Also in:
linux-arm-kernel, linux-devicetree, linux-renesas-soc, lkml
Subsystem:
networking drivers, stmmac ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
Currently, the PCS is set based on the presence of the xpcs field. In order to allow supporting other PCS, add a phylink_pcs pcs field to struct mac_device_info which is used in stmmac_mac_select_pcs() to select the correct PCS. Signed-off-by: Clément Léger <clement.leger@bootlin.com> --- drivers/net/ethernet/stmicro/stmmac/common.h | 2 ++ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 5 +---- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 1 + 3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 6b5d96bced47..79fd67e8ab90 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h@@ -15,6 +15,7 @@ #include <linux/netdevice.h> #include <linux/stmmac.h> #include <linux/phy.h> +#include <linux/phylink.h> #include <linux/pcs/pcs-xpcs.h> #include <linux/module.h> #if IS_ENABLED(CONFIG_VLAN_8021Q)
@@ -518,6 +519,7 @@ struct mac_device_info { const struct stmmac_tc_ops *tc; const struct stmmac_mmc_ops *mmc; struct dw_xpcs *xpcs; + struct phylink_pcs *phylink_pcs; struct mii_regs mii; /* MII register Addresses */ struct mac_link link; void __iomem *pcsr; /* vpointer to device CSRs */
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c6951c976f5d..19459ef15a35 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c@@ -937,10 +937,7 @@ static struct phylink_pcs *stmmac_mac_select_pcs(struct phylink_config *config, { struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev)); - if (!priv->hw->xpcs) - return NULL; - - return &priv->hw->xpcs->pcs; + return priv->hw->phylink_pcs; } static void stmmac_mac_config(struct phylink_config *config, unsigned int mode,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 5f177ea80725..3e875d4664c0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c@@ -413,6 +413,7 @@ int stmmac_xpcs_setup(struct mii_bus *bus) } priv->hw->xpcs = xpcs; + priv->hw->phylink_pcs = &xpcs->pcs; break; }
--
2.39.0