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Message-ID: <20230703152611.420381-3-michael.haener@siemens.com>
Date: Mon, 3 Jul 2023 17:26:08 +0200
From: "M. Haener" <michael.haener@...mens.com>
To: netdev@...r.kernel.org
Cc: Michael Haener <michael.haener@...mens.com>,
linux-kernel@...r.kernel.org,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>,
Alexander Sverdlin <alexander.sverdlin@...mens.com>
Subject: [PATCH 2/3] net: dsa: mv88e632x: Refactor serdes write
From: Michael Haener <michael.haener@...mens.com>
To avoid code duplication, the serdes write functions
have been combined.
Signed-off-by: Michael Haener <michael.haener@...mens.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 13 ++++++++
drivers/net/dsa/mv88e6xxx/chip.h | 2 ++
drivers/net/dsa/mv88e6xxx/serdes.c | 52 +++++++++++++++---------------
drivers/net/dsa/mv88e6xxx/serdes.h | 13 ++++++++
4 files changed, 54 insertions(+), 26 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index ddbc2be746bb..54e99cfb17c1 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4431,6 +4431,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.phylink_get_caps = mv88e6341_phylink_get_caps,
};
@@ -4619,6 +4620,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_read = mv88e6352_serdes_read,
+ .serdes_write = mv88e6352_serdes_write,
.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
.serdes_get_regs = mv88e6352_serdes_get_regs,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -4725,6 +4727,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_read = mv88e6352_serdes_read,
+ .serdes_write = mv88e6352_serdes_write,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_enable = mv88e6352_serdes_irq_enable,
.serdes_irq_status = mv88e6352_serdes_irq_status,
@@ -4837,6 +4840,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.gpio_ops = &mv88e6352_gpio_ops,
.phylink_get_caps = mv88e6390_phylink_get_caps,
};
@@ -4903,6 +4907,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.gpio_ops = &mv88e6352_gpio_ops,
.phylink_get_caps = mv88e6390x_phylink_get_caps,
};
@@ -4967,6 +4972,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.avb_ops = &mv88e6390_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
.phylink_get_caps = mv88e6390_phylink_get_caps,
@@ -5026,6 +5032,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_read = mv88e6352_serdes_read,
+ .serdes_write = mv88e6352_serdes_write,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_enable = mv88e6352_serdes_irq_enable,
.serdes_irq_status = mv88e6352_serdes_irq_status,
@@ -5142,6 +5149,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6390_avb_ops,
.ptp_ops = &mv88e6390_ptp_ops,
@@ -5309,6 +5317,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.phylink_get_caps = mv88e6341_phylink_get_caps,
};
@@ -5460,6 +5469,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_read = mv88e6352_serdes_read,
+ .serdes_write = mv88e6352_serdes_write,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_enable = mv88e6352_serdes_irq_enable,
.serdes_irq_status = mv88e6352_serdes_irq_status,
@@ -5542,6 +5552,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.phylink_get_caps = mv88e6390_phylink_get_caps,
};
@@ -5608,6 +5619,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6390_avb_ops,
.ptp_ops = &mv88e6390_ptp_ops,
@@ -5676,6 +5688,7 @@ static const struct mv88e6xxx_ops mv88e6393x_ops = {
.serdes_irq_enable = mv88e6393x_serdes_irq_enable,
.serdes_irq_status = mv88e6393x_serdes_irq_status,
.serdes_read = mv88e6390_serdes_read,
+ .serdes_write = mv88e6390_serdes_write,
/* TODO: serdes stats */
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6390_avb_ops,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 17f89951557d..d78daa2bfad4 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -609,6 +609,8 @@ struct mv88e6xxx_ops {
int lane, int speed, int duplex);
int (*serdes_read)(struct mv88e6xxx_chip *chip, int lane, int device,
int reg, u16 *val);
+ int (*serdes_write)(struct mv88e6xxx_chip *chip, int lane, int device,
+ int reg, u16 val);
/* SERDES interrupt handling */
unsigned int (*serdes_irq_mapping)(struct mv88e6xxx_chip *chip,
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index ab3471887b41..7b64e30600b9 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -25,8 +25,8 @@ int mv88e6352_serdes_read(struct mv88e6xxx_chip *chip, int lane,
reg, val);
}
-static int mv88e6352_serdes_write(struct mv88e6xxx_chip *chip, int reg,
- u16 val)
+int mv88e6352_serdes_write(struct mv88e6xxx_chip *chip, int lane, int device,
+ int reg, u16 val)
{
return mv88e6xxx_phy_page_write(chip, MV88E6352_ADDR_SERDES,
MV88E6352_SERDES_PAGE_FIBER,
@@ -39,8 +39,8 @@ int mv88e6390_serdes_read(struct mv88e6xxx_chip *chip,
return mv88e6xxx_phy_read_c45(chip, lane, device, reg, val);
}
-static int mv88e6390_serdes_write(struct mv88e6xxx_chip *chip,
- int lane, int device, int reg, u16 val)
+int mv88e6390_serdes_write(struct mv88e6xxx_chip *chip,
+ int lane, int device, int reg, u16 val)
{
return mv88e6xxx_phy_write_c45(chip, lane, device, reg, val);
}
@@ -133,7 +133,7 @@ int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane,
new_val = val | BMCR_PDOWN;
if (val != new_val)
- err = mv88e6352_serdes_write(chip, MII_BMCR, new_val);
+ err = mv88e6xxx_serdes_write(chip, lane, 0, MII_BMCR, new_val);
return err;
}
@@ -167,7 +167,7 @@ int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
changed = val != adv;
if (changed) {
- err = mv88e6352_serdes_write(chip, MII_ADVERTISE, adv);
+ err = mv88e6xxx_serdes_write(chip, lane, 0, MII_ADVERTISE, adv);
if (err)
return err;
}
@@ -184,7 +184,7 @@ int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
if (bmcr == val)
return changed;
- return mv88e6352_serdes_write(chip, MII_BMCR, bmcr);
+ return mv88e6xxx_serdes_write(chip, lane, 0, MII_BMCR, bmcr);
}
int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
@@ -224,7 +224,7 @@ int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port,
if (err)
return err;
- return mv88e6352_serdes_write(chip, MII_BMCR, bmcr | BMCR_ANRESTART);
+ return mv88e6xxx_serdes_write(chip, lane, 0, MII_BMCR, bmcr | BMCR_ANRESTART);
}
int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
@@ -255,7 +255,7 @@ int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
if (bmcr == val)
return 0;
- return mv88e6352_serdes_write(chip, MII_BMCR, bmcr);
+ return mv88e6xxx_serdes_write(chip, lane, 0, MII_BMCR, bmcr);
}
int mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
@@ -409,7 +409,7 @@ int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, int lane,
if (enable)
val |= MV88E6352_SERDES_INT_LINK_CHANGE;
- return mv88e6352_serdes_write(chip, MV88E6352_SERDES_INT_ENABLE, val);
+ return mv88e6xxx_serdes_write(chip, lane, 0, MV88E6352_SERDES_INT_ENABLE, val);
}
unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
@@ -717,7 +717,7 @@ static int mv88e6390_serdes_power_10g(struct mv88e6xxx_chip *chip, int lane,
new_val = val | MDIO_CTRL1_LPOWER;
if (val != new_val)
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ err = mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_10G_CTRL1, new_val);
return err;
@@ -741,7 +741,7 @@ static int mv88e6390_serdes_power_sgmii(struct mv88e6xxx_chip *chip, int lane,
new_val = val | BMCR_PDOWN;
if (val != new_val)
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ err = mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_SGMII_BMCR, new_val);
return err;
@@ -831,7 +831,7 @@ static int mv88e6390_serdes_enable_checker(struct mv88e6xxx_chip *chip, int lane
return err;
reg |= MV88E6390_PG_CONTROL_ENABLE_PC;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_PG_CONTROL, reg);
}
@@ -897,7 +897,7 @@ int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
changed = val != adv;
if (changed) {
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ err = mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_SGMII_ADVERTISE, adv);
if (err)
return err;
@@ -917,7 +917,7 @@ int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
if (bmcr == val)
return changed;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_SGMII_BMCR, bmcr);
}
@@ -1082,7 +1082,7 @@ int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port,
if (err)
return err;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_SGMII_BMCR,
bmcr | BMCR_ANRESTART);
}
@@ -1117,7 +1117,7 @@ int mv88e6390_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
if (bmcr == val)
return 0;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_SGMII_BMCR, bmcr);
}
@@ -1164,7 +1164,7 @@ static int mv88e6390_serdes_irq_enable_sgmii(struct mv88e6xxx_chip *chip,
val |= MV88E6390_SGMII_INT_LINK_DOWN |
MV88E6390_SGMII_INT_LINK_UP;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6390_SGMII_INT_ENABLE, val);
}
@@ -1202,7 +1202,7 @@ static int mv88e6393x_serdes_irq_enable_10g(struct mv88e6xxx_chip *chip,
if (enable)
val |= MV88E6393X_10G_INT_LINK_CHANGE;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6393X_10G_INT_ENABLE, val);
}
@@ -1396,7 +1396,7 @@ int mv88e6352_serdes_set_tx_amplitude(struct mv88e6xxx_chip *chip, int port,
ctrl &= ~MV88E6352_SERDES_OUT_AMP_MASK;
ctrl |= reg;
- return mv88e6352_serdes_write(chip, MV88E6352_SERDES_SPEC_CTRL2, ctrl);
+ return mv88e6xxx_serdes_write(chip, lane, 0, MV88E6352_SERDES_SPEC_CTRL2, ctrl);
}
static int mv88e6393x_serdes_power_lane(struct mv88e6xxx_chip *chip, int lane,
@@ -1417,7 +1417,7 @@ static int mv88e6393x_serdes_power_lane(struct mv88e6xxx_chip *chip, int lane,
reg |= MV88E6393X_SERDES_CTRL1_TX_PDOWN |
MV88E6393X_SERDES_CTRL1_RX_PDOWN;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6393X_SERDES_CTRL1, reg);
}
@@ -1442,7 +1442,7 @@ static int mv88e6393x_serdes_erratum_4_6(struct mv88e6xxx_chip *chip, int lane)
reg &= ~MV88E6393X_SERDES_POC_PDOWN;
reg |= MV88E6393X_SERDES_POC_RESET;
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ err = mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6393X_SERDES_POC, reg);
if (err)
return err;
@@ -1499,7 +1499,7 @@ static int mv88e6393x_serdes_erratum_4_8(struct mv88e6xxx_chip *chip, int lane)
else
reg &= ~MV88E6393X_ERRATA_4_8_BIT;
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ return mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6393X_ERRATA_4_8_REG, reg);
}
@@ -1539,7 +1539,7 @@ static int mv88e6393x_serdes_erratum_5_2(struct mv88e6xxx_chip *chip, int lane,
reg &= ~fixes[i].mask;
reg |= fixes[i].val;
- err = mv88e6390_serdes_write(chip, lane, fixes[i].dev,
+ err = mv88e6xxx_serdes_write(chip, lane, fixes[i].dev,
fixes[i].reg, reg);
if (err)
return err;
@@ -1584,12 +1584,12 @@ static int mv88e6393x_serdes_fix_2500basex_an(struct mv88e6xxx_chip *chip,
reg |= MV88E6393X_SERDES_POC_PCS_2500BASEX;
reg |= MV88E6393X_SERDES_POC_RESET;
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ err = mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_PHYXS,
MV88E6393X_SERDES_POC, reg);
if (err)
return err;
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_VEND1, 0x8000, 0x58);
+ err = mv88e6xxx_serdes_write(chip, lane, MDIO_MMD_VEND1, 0x8000, 0x58);
if (err)
return err;
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index 47ddd9d26c92..e71cddf63eba 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -141,6 +141,10 @@ int mv88e6352_serdes_read(struct mv88e6xxx_chip *chip, int lane, int device,
int reg, u16 *val);
int mv88e6390_serdes_read(struct mv88e6xxx_chip *chip, int lane, int device,
int reg, u16 *val);
+int mv88e6352_serdes_write(struct mv88e6xxx_chip *chip, int lane, int device,
+ int reg, u16 val);
+int mv88e6390_serdes_write(struct mv88e6xxx_chip *chip, int lane, int device,
+ int reg, u16 val);
unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
int port);
unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
@@ -226,6 +230,15 @@ static inline int mv88e6xxx_serdes_read(struct mv88e6xxx_chip *chip, int lane,
return chip->info->ops->serdes_read(chip, lane, device, reg, val);
}
+static inline int mv88e6xxx_serdes_write(struct mv88e6xxx_chip *chip, int lane,
+ int device, int reg, u16 val)
+{
+ if (!chip->info->ops->serdes_write)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->serdes_write(chip, lane, device, reg, val);
+}
+
static inline unsigned int
mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
{
--
2.41.0
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