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Date: Fri, 27 Mar 2020 15:44:12 +0100
From: René van Dorst <opensource@...rst.com>
To: netdev@...r.kernel.org
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
Landen Chao <landen.chao@...iatek.com>,
Sean Wang <sean.wang@...iatek.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Matthias Brugger <matthias.bgg@...il.com>,
Russell King <linux@...linux.org.uk>,
linux-mediatek@...ts.infradead.org,
René van Dorst <opensource@...rst.com>
Subject: [PATCH net-next] net: dsa: mt7530: use resolved link config in mac_link_up()
Convert the mt7530 switch driver to use the finalised link
parameters in mac_link_up() rather than the parameters in mac_config().
Signed-off-by: René van Dorst <opensource@...rst.com>
---
drivers/net/dsa/mt7530.c | 57 +++++++++++++++++-----------------------
drivers/net/dsa/mt7530.h | 4 +++
2 files changed, 28 insertions(+), 33 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 6e91fe2f4b9a..ef57552db260 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -563,17 +563,6 @@ mt7530_mib_reset(struct dsa_switch *ds)
mt7530_write(priv, MT7530_MIB_CCR, CCR_MIB_ACTIVATE);
}
-static void
-mt7530_port_set_status(struct mt7530_priv *priv, int port, int enable)
-{
- u32 mask = PMCR_TX_EN | PMCR_RX_EN | PMCR_FORCE_LNK;
-
- if (enable)
- mt7530_set(priv, MT7530_PMCR_P(port), mask);
- else
- mt7530_clear(priv, MT7530_PMCR_P(port), mask);
-}
-
static int mt7530_phy_read(struct dsa_switch *ds, int port, int regnum)
{
struct mt7530_priv *priv = ds->priv;
@@ -750,7 +739,7 @@ mt7530_port_enable(struct dsa_switch *ds, int port,
priv->ports[port].enable = true;
mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
priv->ports[port].pm);
- mt7530_port_set_status(priv, port, 0);
+ mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK);
mutex_unlock(&priv->reg_mutex);
@@ -773,7 +762,7 @@ mt7530_port_disable(struct dsa_switch *ds, int port)
priv->ports[port].enable = false;
mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
PCR_MATRIX_CLR);
- mt7530_port_set_status(priv, port, 0);
+ mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK);
mutex_unlock(&priv->reg_mutex);
}
@@ -1499,8 +1488,7 @@ static void mt7530_phylink_mac_config(struct dsa_switch *ds, int port,
mcr_cur = mt7530_read(priv, MT7530_PMCR_P(port));
mcr_new = mcr_cur;
- mcr_new &= ~(PMCR_FORCE_SPEED_1000 | PMCR_FORCE_SPEED_100 |
- PMCR_FORCE_FDX | PMCR_TX_FC_EN | PMCR_RX_FC_EN);
+ mcr_new &= ~PMCR_LINK_SETTINGS_MASK;
mcr_new |= PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | PMCR_BACKOFF_EN |
PMCR_BACKPR_EN | PMCR_FORCE_MODE;
@@ -1508,22 +1496,6 @@ static void mt7530_phylink_mac_config(struct dsa_switch *ds, int port,
if (port == 5 && dsa_is_user_port(ds, 5))
mcr_new |= PMCR_EXT_PHY;
- switch (state->speed) {
- case SPEED_1000:
- mcr_new |= PMCR_FORCE_SPEED_1000;
- break;
- case SPEED_100:
- mcr_new |= PMCR_FORCE_SPEED_100;
- break;
- }
- if (state->duplex == DUPLEX_FULL) {
- mcr_new |= PMCR_FORCE_FDX;
- if (state->pause & MLO_PAUSE_TX)
- mcr_new |= PMCR_TX_FC_EN;
- if (state->pause & MLO_PAUSE_RX)
- mcr_new |= PMCR_RX_FC_EN;
- }
-
if (mcr_new != mcr_cur)
mt7530_write(priv, MT7530_PMCR_P(port), mcr_new);
}
@@ -1534,7 +1506,7 @@ static void mt7530_phylink_mac_link_down(struct dsa_switch *ds, int port,
{
struct mt7530_priv *priv = ds->priv;
- mt7530_port_set_status(priv, port, 0);
+ mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK);
}
static void mt7530_phylink_mac_link_up(struct dsa_switch *ds, int port,
@@ -1545,8 +1517,27 @@ static void mt7530_phylink_mac_link_up(struct dsa_switch *ds, int port,
bool tx_pause, bool rx_pause)
{
struct mt7530_priv *priv = ds->priv;
+ u32 mcr;
+
+ mcr = PMCR_RX_EN | PMCR_TX_EN | PMCR_FORCE_LNK;
+
+ switch (speed) {
+ case SPEED_1000:
+ mcr |= PMCR_FORCE_SPEED_1000;
+ break;
+ case SPEED_100:
+ mcr |= PMCR_FORCE_SPEED_100;
+ break;
+ }
+ if (duplex == DUPLEX_FULL) {
+ mcr |= PMCR_FORCE_FDX;
+ if (tx_pause)
+ mcr |= PMCR_TX_FC_EN;
+ if (rx_pause)
+ mcr |= PMCR_RX_FC_EN;
+ }
- mt7530_port_set_status(priv, port, 1);
+ mt7530_set(priv, MT7530_PMCR_P(port), mcr);
}
static void mt7530_phylink_validate(struct dsa_switch *ds, int port,
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index b7cfb3d52b1c..ef9b52f3152b 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -206,6 +206,10 @@ enum mt7530_vlan_port_attr {
#define PMCR_FORCE_LNK BIT(0)
#define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \
PMCR_FORCE_SPEED_1000)
+#define PMCR_LINK_SETTINGS_MASK (PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
+ PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
+ PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
+ PMCR_FORCE_FDX | PMCR_FORCE_LNK)
#define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
#define PMSR_EEE1G BIT(7)
--
2.25.1
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