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Message-Id: <20190831201836.19957-9-vivien.didelot@gmail.com>
Date: Sat, 31 Aug 2019 16:18:34 -0400
From: Vivien Didelot <vivien.didelot@...il.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
Marek Behún <marek.behun@....cz>,
f.fainelli@...il.com, andrew@...n.ch,
Vivien Didelot <vivien.didelot@...il.com>
Subject: [PATCH net-next 08/10] net: dsa: mv88e6xxx: introduce .serdes_irq_enable
Introduce a new .serdes_irq_enable operation to prepare the abstraction
of IRQ enabling from the SERDES IRQ setup code.
Signed-off-by: Vivien Didelot <vivien.didelot@...il.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 11 +++++
drivers/net/dsa/mv88e6xxx/chip.h | 2 +
drivers/net/dsa/mv88e6xxx/port.c | 4 +-
drivers/net/dsa/mv88e6xxx/serdes.c | 73 ++++++++++++------------------
drivers/net/dsa/mv88e6xxx/serdes.h | 26 +++++++++--
5 files changed, 66 insertions(+), 50 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 3522b11d5566..258174634bb2 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2934,6 +2934,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6341_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3184,6 +3185,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_power = mv88e6352_serdes_power,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6352_serdes_irq_enable,
.serdes_irq_setup = mv88e6352_serdes_irq_setup,
.serdes_irq_free = mv88e6352_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3268,6 +3270,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3316,6 +3319,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390x_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3364,6 +3368,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.avb_ops = &mv88e6390_avb_ops,
@@ -3414,6 +3419,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_power = mv88e6352_serdes_power,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6352_serdes_irq_enable,
.serdes_irq_setup = mv88e6352_serdes_irq_setup,
.serdes_irq_free = mv88e6352_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3504,6 +3510,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3642,6 +3649,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6341_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3775,6 +3783,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.serdes_get_lane = mv88e6352_serdes_get_lane,
.serdes_power = mv88e6352_serdes_power,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6352_serdes_irq_enable,
.serdes_irq_setup = mv88e6352_serdes_irq_setup,
.serdes_irq_free = mv88e6352_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3830,6 +3839,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3882,6 +3892,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390x_serdes_get_lane,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 724ce2bf8258..0c7b0f6053d8 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -452,6 +452,8 @@ struct mv88e6xxx_ops {
int port);
int (*serdes_irq_setup)(struct mv88e6xxx_chip *chip, int port);
void (*serdes_irq_free)(struct mv88e6xxx_chip *chip, int port);
+ int (*serdes_irq_enable)(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable);
/* Statistics from the SERDES interface */
int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index df71c08eda35..04006344adb2 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -434,7 +434,7 @@ static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
lane = mv88e6xxx_serdes_get_lane(chip, port);
if (lane) {
if (chip->ports[port].serdes_irq) {
- err = mv88e6390_serdes_irq_disable(chip, port, lane);
+ err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
if (err)
return err;
}
@@ -469,7 +469,7 @@ static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
return err;
if (chip->ports[port].serdes_irq) {
- err = mv88e6390_serdes_irq_enable(chip, port, lane);
+ err = mv88e6xxx_serdes_irq_enable(chip, port, lane);
if (err)
return err;
}
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index e3ea8cca85b0..3562ef03ae55 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -226,15 +226,15 @@ static irqreturn_t mv88e6352_serdes_thread_fn(int irq, void *dev_id)
return ret;
}
-static int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip)
+int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable)
{
- return mv88e6352_serdes_write(chip, MV88E6352_SERDES_INT_ENABLE,
- MV88E6352_SERDES_INT_LINK_CHANGE);
-}
+ u16 val = 0;
-static int mv88e6352_serdes_irq_disable(struct mv88e6xxx_chip *chip)
-{
- return mv88e6352_serdes_write(chip, MV88E6352_SERDES_INT_ENABLE, 0);
+ if (enable)
+ val |= MV88E6352_SERDES_INT_LINK_CHANGE;
+
+ return mv88e6352_serdes_write(chip, MV88E6352_SERDES_INT_ENABLE, val);
}
unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
@@ -245,9 +245,11 @@ unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
int mv88e6352_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port)
{
unsigned int irq;
+ u8 lane;
int err;
- if (!mv88e6352_port_has_serdes(chip, port))
+ lane = mv88e6xxx_serdes_get_lane(chip, port);
+ if (!lane)
return 0;
irq = mv88e6xxx_serdes_irq_mapping(chip, port);
@@ -272,15 +274,18 @@ int mv88e6352_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port)
return err;
}
- return mv88e6352_serdes_irq_enable(chip);
+ return mv88e6xxx_serdes_irq_enable(chip, port, lane);
}
void mv88e6352_serdes_irq_free(struct mv88e6xxx_chip *chip, int port)
{
- if (!mv88e6352_port_has_serdes(chip, port))
+ u8 lane;
+
+ lane = mv88e6xxx_serdes_get_lane(chip, port);
+ if (!lane)
return;
- mv88e6352_serdes_irq_disable(chip);
+ mv88e6xxx_serdes_irq_disable(chip, port, lane);
/* Freeing the IRQ will trigger irq callbacks. So we cannot
* hold the reg_lock.
@@ -546,51 +551,31 @@ static void mv88e6390_serdes_irq_link_sgmii(struct mv88e6xxx_chip *chip,
}
static int mv88e6390_serdes_irq_enable_sgmii(struct mv88e6xxx_chip *chip,
- u8 lane)
-{
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
- MV88E6390_SGMII_INT_ENABLE,
- MV88E6390_SGMII_INT_LINK_DOWN |
- MV88E6390_SGMII_INT_LINK_UP);
-}
-
-static int mv88e6390_serdes_irq_disable_sgmii(struct mv88e6xxx_chip *chip,
- u8 lane)
+ u8 lane, bool enable)
{
- return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
- MV88E6390_SGMII_INT_ENABLE, 0);
-}
+ u16 val = 0;
-int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port,
- u8 lane)
-{
- u8 cmode = chip->ports[port].cmode;
- int err = 0;
+ if (enable)
+ val |= MV88E6390_SGMII_INT_LINK_DOWN |
+ MV88E6390_SGMII_INT_LINK_UP;
- switch (cmode) {
- case MV88E6XXX_PORT_STS_CMODE_SGMII:
- case MV88E6XXX_PORT_STS_CMODE_1000BASEX:
- case MV88E6XXX_PORT_STS_CMODE_2500BASEX:
- err = mv88e6390_serdes_irq_enable_sgmii(chip, lane);
- }
-
- return err;
+ return mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ MV88E6390_SGMII_INT_ENABLE, val);
}
-int mv88e6390_serdes_irq_disable(struct mv88e6xxx_chip *chip, int port,
- u8 lane)
+int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable)
{
u8 cmode = chip->ports[port].cmode;
- int err = 0;
switch (cmode) {
case MV88E6XXX_PORT_STS_CMODE_SGMII:
case MV88E6XXX_PORT_STS_CMODE_1000BASEX:
case MV88E6XXX_PORT_STS_CMODE_2500BASEX:
- err = mv88e6390_serdes_irq_disable_sgmii(chip, lane);
+ return mv88e6390_serdes_irq_enable_sgmii(chip, lane, enable);
}
- return err;
+ return 0;
}
static int mv88e6390_serdes_irq_status_sgmii(struct mv88e6xxx_chip *chip,
@@ -676,7 +661,7 @@ int mv88e6390_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port)
return err;
}
- return mv88e6390_serdes_irq_enable(chip, port, lane);
+ return mv88e6xxx_serdes_irq_enable(chip, port, lane);
}
void mv88e6390_serdes_irq_free(struct mv88e6xxx_chip *chip, int port)
@@ -687,7 +672,7 @@ void mv88e6390_serdes_irq_free(struct mv88e6xxx_chip *chip, int port)
if (!lane)
return;
- mv88e6390_serdes_irq_disable(chip, port, lane);
+ mv88e6xxx_serdes_irq_disable(chip, port, lane);
/* Freeing the IRQ will trigger irq callbacks. So we cannot
* hold the reg_lock.
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index c70023f57090..e2d38b5d4222 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -88,15 +88,15 @@ int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane,
bool on);
int mv88e6390_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port);
void mv88e6390_serdes_irq_free(struct mv88e6xxx_chip *chip, int port);
+int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable);
+int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable);
int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip,
int port, uint8_t *data);
int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
uint64_t *data);
-int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port,
- u8 lane);
-int mv88e6390_serdes_irq_disable(struct mv88e6xxx_chip *chip, int port,
- u8 lane);
int mv88e6352_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port);
void mv88e6352_serdes_irq_free(struct mv88e6xxx_chip *chip, int port);
@@ -137,4 +137,22 @@ mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
return chip->info->ops->serdes_irq_mapping(chip, port);
}
+static inline int mv88e6xxx_serdes_irq_enable(struct mv88e6xxx_chip *chip,
+ int port, u8 lane)
+{
+ if (!chip->info->ops->serdes_irq_enable)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->serdes_irq_enable(chip, port, lane, true);
+}
+
+static inline int mv88e6xxx_serdes_irq_disable(struct mv88e6xxx_chip *chip,
+ int port, u8 lane)
+{
+ if (!chip->info->ops->serdes_irq_enable)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->serdes_irq_enable(chip, port, lane, false);
+}
+
#endif
--
2.23.0
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