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-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c38
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.h2
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.c16
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.h3
-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.c45
5 files changed, 57 insertions, 47 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 4c9ae5b9440b..66e0281604df 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2381,6 +2381,7 @@ static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
static int mv88e6xxx_setup(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds->priv;
+ u8 cmode;
int err;
int i;
@@ -2389,6 +2390,17 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
mutex_lock(&chip->reg_lock);
+ /* Cache the cmode of each port. */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
+ if (chip->info->ops->port_get_cmode) {
+ err = chip->info->ops->port_get_cmode(chip, i, &cmode);
+ if (err)
+ return err;
+
+ chip->ports[i].cmode = cmode;
+ }
+ }
+
/* Setup Switch Port Registers */
for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
if (dsa_is_unused_port(ds, i))
@@ -2697,6 +2709,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2730,6 +2743,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = {
.port_set_egress_floods = mv88e6185_port_set_egress_floods,
.port_set_upstream_port = mv88e6095_port_set_upstream_port,
.port_link_state = mv88e6185_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2765,6 +2779,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2798,6 +2813,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2834,6 +2850,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = {
.port_pause_limit = mv88e6097_port_pause_limit,
.port_set_pause = mv88e6185_port_set_pause,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2876,6 +2893,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -2915,6 +2933,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2947,6 +2966,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -2987,6 +3007,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3027,6 +3048,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3068,6 +3090,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3108,6 +3131,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3143,6 +3167,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.port_set_upstream_port = mv88e6095_port_set_upstream_port,
.port_set_pause = mv88e6185_port_set_pause,
.port_link_state = mv88e6185_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3181,6 +3206,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3220,6 +3246,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3259,6 +3286,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3303,6 +3331,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3345,6 +3374,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3389,6 +3419,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3430,6 +3461,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3470,6 +3502,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3512,6 +3545,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3550,6 +3584,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3592,6 +3627,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
@@ -3639,6 +3675,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3683,6 +3720,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6352_port_get_cmode,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index cdc028fcdf96..08c74c88dbde 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -197,6 +197,7 @@ struct mv88e6xxx_port {
u64 atu_full_violation;
u64 vtu_member_violation;
u64 vtu_miss_violation;
+ u8 cmode;
};
struct mv88e6xxx_chip {
@@ -390,6 +391,7 @@ struct mv88e6xxx_ops {
*/
int (*port_set_cmode)(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode);
+ int (*port_get_cmode)(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
/* Some devices have a per port register indicating what is
* the upstream port this port should forward to.
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index 2ff370cb2f3c..d236f3420f2d 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -385,11 +385,12 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
return err;
}
+ chip->ports[port].cmode = cmode;
+
return 0;
}
-/* mv88e6185 only has 3 bits for CMODE */
-static int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port)
+int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
{
int err;
u16 reg;
@@ -398,10 +399,12 @@ static int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port)
if (err)
return err;
- return reg & MV88E6185_PORT_STS_CMODE_MASK;
+ *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
+
+ return 0;
}
-int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
+int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
{
int err;
u16 reg;
@@ -457,10 +460,7 @@ int mv88e6185_port_link_state(struct mv88e6xxx_chip *chip, int port,
struct phylink_link_state *state)
{
if (state->interface == PHY_INTERFACE_MODE_1000BASEX) {
- int cmode = mv88e6185_port_get_cmode(chip, port);
-
- if (cmode < 0)
- return cmode;
+ u8 cmode = chip->ports[port].cmode;
/* When a port is in "Cross-chip serdes" mode, it uses
* 1000Base-X full duplex mode, but there is no automatic
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 9b8d2b229907..f32f56af8e35 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -311,7 +311,8 @@ int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
u8 out);
int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode);
-int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
+int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
+int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
int mv88e6185_port_link_state(struct mv88e6xxx_chip *chip, int port,
struct phylink_link_state *state);
int mv88e6352_port_link_state(struct mv88e6xxx_chip *chip, int port,
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index b57d4271acdb..064d0bb8fe02 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -73,14 +73,7 @@ static int mv88e6352_serdes_power_set(struct mv88e6xxx_chip *chip, bool on)
static bool mv88e6352_port_has_serdes(struct mv88e6xxx_chip *chip, int port)
{
- u8 cmode;
- int err;
-
- err = mv88e6xxx_port_get_cmode(chip, port, &cmode);
- if (err) {
- dev_err(chip->dev, "failed to read cmode\n");
- return false;
- }
+ u8 cmode = chip->ports[port].cmode;
if ((cmode == MV88E6XXX_PORT_STS_CMODE_100BASE_X) ||
(cmode == MV88E6XXX_PORT_STS_CMODE_1000BASE_X) ||
@@ -195,12 +188,7 @@ int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
*/
static int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
{
- u8 cmode;
- int err;
-
- err = mv88e6xxx_port_get_cmode(chip, port, &cmode);
- if (err)
- return err;
+ u8 cmode = chip->ports[port].cmode;
switch (port) {
case 9:
@@ -227,19 +215,10 @@ static int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
static int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
{
u8 cmode_port9, cmode_port10, cmode_port;
- int err;
- err = mv88e6xxx_port_get_cmode(chip, 9, &cmode_port9);
- if (err)
- return err;
-
- err = mv88e6xxx_port_get_cmode(chip, 10, &cmode_port10);
- if (err)
- return err;
-
- err = mv88e6xxx_port_get_cmode(chip, port, &cmode_port);
- if (err)
- return err;
+ cmode_port9 = chip->ports[9].cmode;
+ cmode_port10 = chip->ports[10].cmode;
+ cmode_port = chip->ports[port].cmode;
switch (port) {
case 2:
@@ -365,12 +344,7 @@ static int mv88e6390_serdes_power_sgmii(struct mv88e6xxx_chip *chip, int lane,
static int mv88e6390_serdes_power_lane(struct mv88e6xxx_chip *chip, int port,
int lane, bool on)
{
- u8 cmode;
- int err;
-
- err = mv88e6xxx_port_get_cmode(chip, port, &cmode);
- if (err)
- return err;
+ u8 cmode = chip->ports[port].cmode;
switch (cmode) {
case MV88E6XXX_PORT_STS_CMODE_SGMII:
@@ -427,16 +401,11 @@ int mv88e6390x_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on)
int mv88e6341_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on)
{
- int err;
- u8 cmode;
+ u8 cmode = chip->ports[port].cmode;
if (port != 5)
return 0;
- err = mv88e6xxx_port_get_cmode(chip, port, &cmode);
- if (err)
- return err;
-
if (cmode == MV88E6XXX_PORT_STS_CMODE_1000BASE_X ||
cmode == MV88E6XXX_PORT_STS_CMODE_SGMII ||
cmode == MV88E6XXX_PORT_STS_CMODE_2500BASEX)
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