net: dsa: mv88e6xxx: move VTU VID accessors
Add helpers to access the VTU VID register in the global1_vtu.c file.
At the same time, move mv88e6xxx_g1_vtu_vid_write at the beginning of
_mv88e6xxx_vtu_loadpurge, which adds no functional changes but makes
future patches simpler.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 201c063..6ac3d0e 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -82,6 +82,35 @@ int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
return mv88e6xxx_g1_vtu_op_wait(chip);
}
+/* Offset 0x06: VTU VID Register */
+
+int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_VID, &val);
+ if (err)
+ return err;
+
+ entry->vid = val & 0xfff;
+ entry->valid = !!(val & GLOBAL_VTU_VID_VALID);
+
+ return 0;
+}
+
+int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val = entry->vid & 0xfff;
+
+ if (entry->valid)
+ val |= GLOBAL_VTU_VID_VALID;
+
+ return mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID, val);
+}
+
/* VLAN Translation Unit Operations */
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)