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openwrt/target/linux/generic/backport-5.15/705-03-v5.19-net-dsa-mt7530...

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From e3f6719e2269868ca129b05da50cd55786848954 Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Mon, 11 Apr 2022 10:46:06 +0100
Subject: [PATCH 03/13] net: dsa: mt7530: remove interface checks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
As phylink checks the interface mode against the supported_interfaces
bitmap, we no longer need to validate the interface mode, nor handle
PHY_INTERFACE_MODE_NA in the validation function. Remove these to
simplify the implementation.
Tested-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/mt7530.c | 82 ----------------------------------------
drivers/net/dsa/mt7530.h | 2 -
2 files changed, 84 deletions(-)
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2416,37 +2416,6 @@ static void mt7530_mac_port_get_caps(str
}
}
-static bool
-mt7530_phy_mode_supported(struct dsa_switch *ds, int port,
- const struct phylink_link_state *state)
-{
- struct mt7530_priv *priv = ds->priv;
-
- switch (port) {
- case 0 ... 4: /* Internal phy */
- if (state->interface != PHY_INTERFACE_MODE_GMII)
- return false;
- break;
- case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
- if (!phy_interface_mode_is_rgmii(state->interface) &&
- state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_GMII)
- return false;
- break;
- case 6: /* 1st cpu port */
- if (state->interface != PHY_INTERFACE_MODE_RGMII &&
- state->interface != PHY_INTERFACE_MODE_TRGMII)
- return false;
- break;
- default:
- dev_err(priv->dev, "%s: unsupported port: %i\n", __func__,
- port);
- return false;
- }
-
- return true;
-}
-
static bool mt7531_is_rgmii_port(struct mt7530_priv *priv, u32 port)
{
return (port == 5) && (priv->p5_intf_sel != P5_INTF_SEL_GMAC5_SGMII);
@@ -2483,44 +2452,6 @@ static void mt7531_mac_port_get_caps(str
}
}
-static bool
-mt7531_phy_mode_supported(struct dsa_switch *ds, int port,
- const struct phylink_link_state *state)
-{
- struct mt7530_priv *priv = ds->priv;
-
- switch (port) {
- case 0 ... 4: /* Internal phy */
- if (state->interface != PHY_INTERFACE_MODE_GMII)
- return false;
- break;
- case 5: /* 2nd cpu port supports either rgmii or sgmii/8023z */
- if (mt7531_is_rgmii_port(priv, port))
- return phy_interface_mode_is_rgmii(state->interface);
- fallthrough;
- case 6: /* 1st cpu port supports sgmii/8023z only */
- if (state->interface != PHY_INTERFACE_MODE_SGMII &&
- !phy_interface_mode_is_8023z(state->interface))
- return false;
- break;
- default:
- dev_err(priv->dev, "%s: unsupported port: %i\n", __func__,
- port);
- return false;
- }
-
- return true;
-}
-
-static bool
-mt753x_phy_mode_supported(struct dsa_switch *ds, int port,
- const struct phylink_link_state *state)
-{
- struct mt7530_priv *priv = ds->priv;
-
- return priv->info->phy_mode_supported(ds, port, state);
-}
-
static int
mt753x_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state)
{
@@ -2775,9 +2706,6 @@ mt753x_phylink_mac_config(struct dsa_swi
struct mt7530_priv *priv = ds->priv;
u32 mcr_cur, mcr_new;
- if (!mt753x_phy_mode_supported(ds, port, state))
- goto unsupported;
-
switch (port) {
case 0 ... 4: /* Internal phy */
if (state->interface != PHY_INTERFACE_MODE_GMII)
@@ -2993,12 +2921,6 @@ mt753x_phylink_validate(struct dsa_switc
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
struct mt7530_priv *priv = ds->priv;
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- !mt753x_phy_mode_supported(ds, port, state)) {
- linkmode_zero(supported);
- return;
- }
-
phylink_set_port_modes(mask);
if (state->interface != PHY_INTERFACE_MODE_TRGMII &&
@@ -3225,7 +3147,6 @@ static const struct mt753x_info mt753x_t
.phy_write = mt7530_phy_write,
.pad_setup = mt7530_pad_clk_setup,
.mac_port_get_caps = mt7530_mac_port_get_caps,
- .phy_mode_supported = mt7530_phy_mode_supported,
.mac_port_validate = mt7530_mac_port_validate,
.mac_port_get_state = mt7530_phylink_mac_link_state,
.mac_port_config = mt7530_mac_config,
@@ -3237,7 +3158,6 @@ static const struct mt753x_info mt753x_t
.phy_write = mt7530_phy_write,
.pad_setup = mt7530_pad_clk_setup,
.mac_port_get_caps = mt7530_mac_port_get_caps,
- .phy_mode_supported = mt7530_phy_mode_supported,
.mac_port_validate = mt7530_mac_port_validate,
.mac_port_get_state = mt7530_phylink_mac_link_state,
.mac_port_config = mt7530_mac_config,
@@ -3250,7 +3170,6 @@ static const struct mt753x_info mt753x_t
.pad_setup = mt7531_pad_setup,
.cpu_port_config = mt7531_cpu_port_config,
.mac_port_get_caps = mt7531_mac_port_get_caps,
- .phy_mode_supported = mt7531_phy_mode_supported,
.mac_port_validate = mt7531_mac_port_validate,
.mac_port_get_state = mt7531_phylink_mac_link_state,
.mac_port_config = mt7531_mac_config,
@@ -3313,7 +3232,6 @@ 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->phy_mode_supported ||
!priv->info->mac_port_validate ||
!priv->info->mac_port_get_state || !priv->info->mac_port_config)
return -EINVAL;
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -771,8 +771,6 @@ struct mt753x_info {
int (*cpu_port_config)(struct dsa_switch *ds, int port);
void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
struct phylink_config *config);
- bool (*phy_mode_supported)(struct dsa_switch *ds, int port,
- const struct phylink_link_state *state);
void (*mac_port_validate)(struct dsa_switch *ds, int port,
unsigned long *supported);
int (*mac_port_get_state)(struct dsa_switch *ds, int port,
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