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Date: Thu, 03 Feb 2022 17:31:43 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: DENG Qingfang <dqfext@...il.com>,
Landen Chao <Landen.Chao@...iatek.com>,
Sean Wang <sean.wang@...iatek.com>
Cc: Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: [PATCH RFC net-next 6/7] net: dsa: mt7530: switch to use
phylink_get_linkmodes()
Switch mt7530 to use phylink_get_linkmodes() to generate the ethtool
linkmodes that can be supported. We are unable to use the generic
helper for this as pause modes are dependent on the interface as
the Autoneg bit depends on the interface mode.
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
drivers/net/dsa/mt7530.c | 69 +++++++---------------------------------
1 file changed, 11 insertions(+), 58 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index a2fa629cccc0..2a829fc86c01 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2440,6 +2440,8 @@ static void mt7531_mac_port_get_caps(struct dsa_switch *ds, int port,
config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_2500BASEX,
config->supported_interfaces);
+
+ config->mac_capabilities |= MAC_2500FD;
break;
}
}
@@ -2514,25 +2516,6 @@ static int mt7531_rgmii_setup(struct mt7530_priv *priv, u32 port,
return 0;
}
-static void mt7531_sgmii_validate(struct mt7530_priv *priv, int port,
- phy_interface_t interface,
- unsigned long *supported)
-{
- /* Port5 supports ethier RGMII or SGMII.
- * Port6 supports SGMII only.
- */
- switch (port) {
- case 5:
- case 6:
- if (interface == PHY_INTERFACE_MODE_2500BASEX) {
- phylink_set(supported, 2500baseX_Full);
- phylink_set(supported, 2500baseT_Full);
- } else {
- phylink_set(supported, 1000baseX_Full);
- }
- }
-}
-
static void
mt7531_sgmii_link_up_force(struct dsa_switch *ds, int port,
unsigned int mode, phy_interface_t interface,
@@ -2893,25 +2876,11 @@ static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port,
{
struct mt7530_priv *priv = ds->priv;
- priv->info->mac_port_get_caps(ds, port, config);
-}
-
-static void
-mt7530_mac_port_validate(struct dsa_switch *ds, int port,
- phy_interface_t interface,
- unsigned long *supported)
-{
- if (port == 5)
- phylink_set(supported, 1000baseX_Full);
-}
-
-static void mt7531_mac_port_validate(struct dsa_switch *ds, int port,
- phy_interface_t interface,
- unsigned long *supported)
-{
- struct mt7530_priv *priv = ds->priv;
+ /* This switch only supports 1G full-duplex. */
+ config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000FD;
- mt7531_sgmii_validate(priv, port, interface, supported);
+ priv->info->mac_port_get_caps(ds, port, config);
}
static void
@@ -2920,28 +2889,16 @@ mt753x_phylink_validate(struct dsa_switch *ds, int port,
struct phylink_link_state *state)
{
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- struct mt7530_priv *priv = ds->priv;
+ u32 caps;
+
+ caps = dsa_to_port(ds, port)->pl_config.mac_capabilities;
phylink_set_port_modes(mask);
+ phylink_get_linkmodes(mask, state->interface, caps);
if (state->interface != PHY_INTERFACE_MODE_TRGMII ||
- !phy_interface_mode_is_8023z(state->interface)) {
- phylink_set(mask, 10baseT_Half);
- phylink_set(mask, 10baseT_Full);
- phylink_set(mask, 100baseT_Half);
- phylink_set(mask, 100baseT_Full);
+ !phy_interface_mode_is_8023z(state->interface))
phylink_set(mask, Autoneg);
- }
-
- /* This switch only supports 1G full-duplex. */
- if (state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_2500BASEX)
- phylink_set(mask, 1000baseT_Full);
-
- priv->info->mac_port_validate(ds, port, state->interface, mask);
-
- phylink_set(mask, Pause);
- phylink_set(mask, Asym_Pause);
linkmode_and(supported, supported, mask);
linkmode_and(state->advertising, state->advertising, mask);
@@ -3142,7 +3099,6 @@ static const struct mt753x_info mt753x_table[] = {
.phy_write = mt7530_phy_write,
.pad_setup = mt7530_pad_clk_setup,
.mac_port_get_caps = mt7530_mac_port_get_caps,
- .mac_port_validate = mt7530_mac_port_validate,
.mac_port_get_state = mt7530_phylink_mac_link_state,
.mac_port_config = mt7530_mac_config,
},
@@ -3153,7 +3109,6 @@ static const struct mt753x_info mt753x_table[] = {
.phy_write = mt7530_phy_write,
.pad_setup = mt7530_pad_clk_setup,
.mac_port_get_caps = mt7530_mac_port_get_caps,
- .mac_port_validate = mt7530_mac_port_validate,
.mac_port_get_state = mt7530_phylink_mac_link_state,
.mac_port_config = mt7530_mac_config,
},
@@ -3165,7 +3120,6 @@ static const struct mt753x_info mt753x_table[] = {
.pad_setup = mt7531_pad_setup,
.cpu_port_config = mt7531_cpu_port_config,
.mac_port_get_caps = mt7531_mac_port_get_caps,
- .mac_port_validate = mt7531_mac_port_validate,
.mac_port_get_state = mt7531_phylink_mac_link_state,
.mac_port_config = mt7531_mac_config,
.mac_pcs_an_restart = mt7531_sgmii_restart_an,
@@ -3227,7 +3181,6 @@ mt7530_probe(struct mdio_device *mdiodev)
if (!priv->info->sw_setup || !priv->info->pad_setup ||
!priv->info->phy_read || !priv->info->phy_write ||
!priv->info->mac_port_get_caps ||
- !priv->info->mac_port_validate ||
!priv->info->mac_port_get_state || !priv->info->mac_port_config)
return -EINVAL;
--
2.30.2
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