In the 6352 family, FIDs are 12-bit. In the 6185 family, they are 8-bit.
Fix the upper mask, which was overlapping on the port Trunk ID (even
though it is not used yet).
Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx.c | 10 +++++++---
drivers/net/dsa/mv88e6xxx.h | 3 ++-
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index fa086e0..1d9ae48 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -1511,9 +1511,13 @@ loadpurge:
static int _mv88e6xxx_port_fid(struct dsa_switch *ds, int port, u16 *new,
u16 *old)
{
+ u16 upper_mask = PORT_CONTROL_1_FID_11_4_MASK;
u16 fid;
int ret;
+ if (mv88e6xxx_6185_family(ds))
+ upper_mask = PORT_CONTROL_1_DBNUM_7_4_MASK;
+
/* Port's default FID bits 3:0 are located in reg 0x06, offset 12 */
ret = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_BASE_VLAN);
if (ret < 0)
@@ -1536,11 +1540,11 @@ static int _mv88e6xxx_port_fid(struct dsa_switch *ds,
int port, u16 *new,
if (ret < 0)
return ret;
- fid |= (ret & PORT_CONTROL_1_FID_11_4_MASK) << 4;
+ fid |= (ret & upper_mask) << 4;
if (new) {
- ret &= ~PORT_CONTROL_1_FID_11_4_MASK;
- ret |= (*new >> 4) & PORT_CONTROL_1_FID_11_4_MASK;
+ ret &= ~upper_mask;
+ ret |= (*new >> 4) & upper_mask;
ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_CONTROL_1,
ret);
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 9a038ab..febab76 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -133,7 +133,8 @@
#define PORT_CONTROL_STATE_LEARNING 0x02
#define PORT_CONTROL_STATE_FORWARDING 0x03
#define PORT_CONTROL_1 0x05
-#define PORT_CONTROL_1_FID_11_4_MASK (0xff << 0)
+#define PORT_CONTROL_1_DBNUM_7_4_MASK (0xf << 0) /* 6185 */
+#define PORT_CONTROL_1_FID_11_4_MASK (0xff << 0) /* 6352 */
#define PORT_BASE_VLAN 0x06
#define PORT_BASE_VLAN_FID_3_0_MASK (0xf << 12)
#define PORT_DEFAULT_VLAN 0x07
--
2.7.4
