net: dsa: mv88e6xxx: global2: Expose ATU stats register
Add helpers to set/get the ATU statistics register.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index bdbb72f..14954d9 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -280,6 +280,26 @@ int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr)
return err;
}
+/* Offset 0x0E: ATU Statistics */
+
+int mv88e6xxx_g2_atu_stats_set(struct mv88e6xxx_chip *chip, u16 kind, u16 bin)
+{
+ return mv88e6xxx_g2_write(chip, MV88E6XXX_G2_ATU_STATS,
+ kind | bin);
+}
+
+int mv88e6xxx_g2_atu_stats_get(struct mv88e6xxx_chip *chip)
+{
+ int err;
+ 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 */
static int mv88e6xxx_g2_pot_write(struct mv88e6xxx_chip *chip, int pointer,