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net: dsa: mv88e6xxx: introduce .serdes_irq_mapping

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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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2019-08-31 16:18:29 -04:00 committed by David S. Miller
parent f441ed0f4c
commit 4241ef5237
4 changed files with 45 additions and 6 deletions
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11
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -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,

2
drivers/net/dsa/mv88e6xxx/chip.h
View File

@ -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);

26
drivers/net/dsa/mv88e6xxx/serdes.c
View File

@ -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.
*/

12
drivers/net/dsa/mv88e6xxx/serdes.h
View File

@ -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