openwrt/target/linux/layerscape/patches-5.4/701-net-0250-net-mscc-ocelot-refactor-adjust_link-into-a-netdev-i.patch

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From f8c221dc7383a50defcc5b96595e092159dbe928 Mon Sep 17 00:00:00 2001
From: Vladimir Oltean <vladimir.oltean@nxp.com>
Date: Sat, 9 Nov 2019 15:02:59 +0200
Subject: [PATCH] net: mscc: ocelot: refactor adjust_link into a
netdev-independent function
This will be called from the Felix DSA frontend, which will work in
PHYLIB compatibility mode initially.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mscc/ocelot.c | 27 +++++++++++++++++----------
1 file changed, 17 insertions(+), 10 deletions(-)
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -410,15 +410,13 @@ static u16 ocelot_wm_enc(u16 value)
return value;
}
-static void ocelot_port_adjust_link(struct net_device *dev)
+static void ocelot_adjust_link(struct ocelot *ocelot, int port,
+ struct phy_device *phydev)
{
- struct ocelot_port_private *priv = netdev_priv(dev);
- struct ocelot_port *ocelot_port = &priv->port;
- struct ocelot *ocelot = ocelot_port->ocelot;
+ struct ocelot_port *ocelot_port = ocelot->ports[port];
int speed, atop_wm, mode = 0;
- u8 port = priv->chip_port;
- switch (dev->phydev->speed) {
+ switch (phydev->speed) {
case SPEED_10:
speed = OCELOT_SPEED_10;
break;
@@ -434,14 +432,14 @@ static void ocelot_port_adjust_link(stru
mode = DEV_MAC_MODE_CFG_GIGA_MODE_ENA;
break;
default:
- netdev_err(dev, "Unsupported PHY speed: %d\n",
- dev->phydev->speed);
+ dev_err(ocelot->dev, "Unsupported PHY speed on port %d: %d\n",
+ port, phydev->speed);
return;
}
- phy_print_status(dev->phydev);
+ phy_print_status(phydev);
- if (!dev->phydev->link)
+ if (!phydev->link)
return;
/* Only full duplex supported for now */
@@ -536,6 +534,15 @@ static void ocelot_port_adjust_link(stru
ocelot_write(ocelot, ocelot_wm_enc(atop_wm), SYS_ATOP_TOT_CFG);
}
+static void ocelot_port_adjust_link(struct net_device *dev)
+{
+ struct ocelot_port_private *priv = netdev_priv(dev);
+ struct ocelot *ocelot = priv->port.ocelot;
+ int port = priv->chip_port;
+
+ ocelot_adjust_link(ocelot, port, dev->phydev);
+}
+
static void ocelot_port_enable(struct ocelot *ocelot, int port,
struct phy_device *phy)
{