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net: dsa: mv88e6xxx: global1_atu: Add helper for get next

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When retrieving the ATU statistics, and ATU get next has to be
performed to trigger the ATU to collect the statistics. Export a
helper from global1_atu to perform this.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2019-11-05 01:13:00 +01:00 committed by David S. Miller
parent 6239a386e7
commit c5f299d592
4 changed files with 9 additions and 10 deletions
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1
drivers/net/dsa/mv88e6xxx/global1.h
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@ -341,5 +341,6 @@ int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip); int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_prob_irq_setup(struct mv88e6xxx_chip *chip); int mv88e6xxx_g1_vtu_prob_irq_setup(struct mv88e6xxx_chip *chip);
void mv88e6xxx_g1_vtu_prob_irq_free(struct mv88e6xxx_chip *chip); void mv88e6xxx_g1_vtu_prob_irq_free(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_atu_get_next(struct mv88e6xxx_chip *chip, u16 fid);
#endif /* _MV88E6XXX_GLOBAL1_H */ #endif /* _MV88E6XXX_GLOBAL1_H */

5
drivers/net/dsa/mv88e6xxx/global1_atu.c
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@ -154,6 +154,11 @@ static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op)
return mv88e6xxx_g1_atu_op_wait(chip); return mv88e6xxx_g1_atu_op_wait(chip);
} }
int mv88e6xxx_g1_atu_get_next(struct mv88e6xxx_chip *chip, u16 fid)
{
return mv88e6xxx_g1_atu_op(chip, fid, MV88E6XXX_G1_ATU_OP_GET_NEXT_DB);
}
/* Offset 0x0C: ATU Data Register */ /* Offset 0x0C: ATU Data Register */
static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip, static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip,

11
drivers/net/dsa/mv88e6xxx/global2.c
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@ -288,16 +288,9 @@ int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip, u16 kind, u16 bin)
kind | bin); kind | bin);
} }
int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip) int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip, u16 *stats)
{ {
int err; return mv88e6xxx_g2_read(chip, MV88E6XXX_G2_ATU_STATS, stats);
u16 val;
err = mv88e6xxx_g2_read(chip, MV88E6XXX_G2_ATU_STATS, &val);
if (err)
return err;
return val & MV88E6XXX_G2_ATU_STATS_MASK;
} }
/* Offset 0x0F: Priority Override Table */ /* Offset 0x0F: Priority Override Table */

2
drivers/net/dsa/mv88e6xxx/global2.h
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@ -363,7 +363,7 @@ extern const struct mv88e6xxx_gpio_ops mv88e6352_gpio_ops;
int mv88e6xxx_g2_scratch_gpio_set_smi(struct mv88e6xxx_chip *chip, int mv88e6xxx_g2_scratch_gpio_set_smi(struct mv88e6xxx_chip *chip,
bool external); bool external);
int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip, u16 kind, u16 bin); int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip, u16 kind, u16 bin);
int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip); int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip, u16 *stats);
#else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */ #else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */