From 4241ef52372ebee93f4ed67e08c9316ccb20bdd7 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Sat, 31 Aug 2019 16:18:29 -0400 Subject: 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 Signed-off-by: David S. Miller --- 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(-) (limited to 'drivers/net') 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 @@ out: 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 -- cgit v1.2.3