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Date: Sat, 31 Aug 2019 16:18:29 -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 03/10] net: dsa: mv88e6xxx: introduce .serdes_irq_mapping
Introduce a new .serdes_irq_mapping operation to prepare the
abstraction of IRQ mapping 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/serdes.c | 26 ++++++++++++++++++++------
drivers/net/dsa/mv88e6xxx/serdes.h | 12 ++++++++++++
4 files changed, 45 insertions(+), 6 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index c648f9fbfa59..0ab4ce86eda7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2931,6 +2931,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6341_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3178,6 +3179,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6352_serdes_power,
+ .serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_setup = mv88e6352_serdes_irq_setup,
.serdes_irq_free = mv88e6352_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3261,6 +3263,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3308,6 +3311,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390x_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3355,6 +3359,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.avb_ops = &mv88e6390_avb_ops,
@@ -3403,6 +3408,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6352_serdes_power,
+ .serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_setup = mv88e6352_serdes_irq_setup,
.serdes_irq_free = mv88e6352_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3492,6 +3498,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3629,6 +3636,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6341_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3760,6 +3768,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6352_serdes_power,
+ .serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_setup = mv88e6352_serdes_irq_setup,
.serdes_irq_free = mv88e6352_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3814,6 +3823,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_setup = mv88e6390_serdes_irq_setup,
.serdes_irq_free = mv88e6390_serdes_irq_free,
.gpio_ops = &mv88e6352_gpio_ops,
@@ -3865,6 +3875,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390x_serdes_get_lane,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.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 2016f51c868b..b116bd7f6109 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -447,6 +447,8 @@ struct mv88e6xxx_ops {
int (*serdes_get_lane)(struct mv88e6xxx_chip *chip, int port, u8 *lane);
/* SERDES interrupt handling */
+ unsigned int (*serdes_irq_mapping)(struct mv88e6xxx_chip *chip,
+ int port);
int (*serdes_irq_setup)(struct mv88e6xxx_chip *chip, int port);
void (*serdes_irq_free)(struct mv88e6xxx_chip *chip, int port);
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index f65652e6edec..4fb1dca64ef1 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -240,18 +240,25 @@ static int mv88e6352_serdes_irq_disable(struct mv88e6xxx_chip *chip)
return mv88e6352_serdes_write(chip, MV88E6352_SERDES_INT_ENABLE, 0);
}
+unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
+{
+ return irq_find_mapping(chip->g2_irq.domain, MV88E6352_SERDES_IRQ);
+}
+
int mv88e6352_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port)
{
+ unsigned int irq;
int err;
if (!mv88e6352_port_has_serdes(chip, port))
return 0;
- chip->ports[port].serdes_irq = irq_find_mapping(chip->g2_irq.domain,
- MV88E6352_SERDES_IRQ);
- if (!chip->ports[port].serdes_irq)
+ irq = mv88e6xxx_serdes_irq_mapping(chip, port);
+ if (!irq)
return 0;
+ chip->ports[port].serdes_irq = irq;
+
/* Requesting the IRQ will trigger irq callbacks. So we cannot
* hold the reg_lock.
*/
@@ -673,8 +680,14 @@ static irqreturn_t mv88e6390_serdes_thread_fn(int irq, void *dev_id)
return ret;
}
+unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
+{
+ return irq_find_mapping(chip->g2_irq.domain, port);
+}
+
int mv88e6390_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port)
{
+ unsigned int irq;
int err;
u8 lane;
@@ -685,11 +698,12 @@ int mv88e6390_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port)
return err;
}
- chip->ports[port].serdes_irq = irq_find_mapping(chip->g2_irq.domain,
- port);
- if (!chip->ports[port].serdes_irq)
+ irq = mv88e6xxx_serdes_irq_mapping(chip, port);
+ if (!irq)
return 0;
+ chip->ports[port].serdes_irq = irq;
+
/* Requesting 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 c2e6fc3ddf8b..cb8d287c9388 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -90,6 +90,10 @@ static inline int mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip,
int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port, u8 *lane);
int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port, u8 *lane);
int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port, u8 *lane);
+unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
+ int port);
+unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
+ int port);
int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on);
int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on);
int mv88e6390_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port);
@@ -106,5 +110,13 @@ int mv88e6390_serdes_irq_disable(struct mv88e6xxx_chip *chip, int port,
int mv88e6352_serdes_irq_setup(struct mv88e6xxx_chip *chip, int port);
void mv88e6352_serdes_irq_free(struct mv88e6xxx_chip *chip, int port);
+static inline unsigned int
+mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
+{
+ if (!chip->info->ops->serdes_irq_mapping)
+ return 0;
+
+ return chip->info->ops->serdes_irq_mapping(chip, port);
+}
#endif
--
2.23.0
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