[PATCH net-next 2/5] net: dsa: mv88e6xxx: explicit entry passed to vtu_getnext

From: Vivien Didelot
Date: Thu Aug 01 2019 - 14:37:23 EST


mv88e6xxx_vtu_getnext interprets two members from the input
mv88e6xxx_vtu_entry structure: the (excluded) vid member to start
the iteration from, and the valid argument specifying whether the VID
must be written or not (only required once at the start of a loop).

Explicit the assignation of these two fields right before calling
mv88e6xxx_vtu_getnext, as it is done in the mv88e6xxx_vtu_get wrapper.

Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxx>
---
drivers/net/dsa/mv88e6xxx/chip.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 1b2cb46d3b53..c825fa3477fa 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1361,9 +1361,7 @@ static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
{
DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
- struct mv88e6xxx_vtu_entry vlan = {
- .vid = chip->info->max_vid,
- };
+ struct mv88e6xxx_vtu_entry vlan;
int i, err;

bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
@@ -1378,6 +1376,9 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
}

/* Set every FID bit used by the VLAN entries */
+ vlan.vid = chip->info->max_vid;
+ vlan.valid = false;
+
do {
err = mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
@@ -1441,9 +1442,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
u16 vid_begin, u16 vid_end)
{
struct mv88e6xxx_chip *chip = ds->priv;
- struct mv88e6xxx_vtu_entry vlan = {
- .vid = vid_begin - 1,
- };
+ struct mv88e6xxx_vtu_entry vlan;
int i, err;

/* DSA and CPU ports have to be members of multiple vlans */
@@ -1453,6 +1452,9 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
if (!vid_begin)
return -EOPNOTSUPP;

+ vlan.vid = vid_begin - 1;
+ vlan.valid = false;
+
do {
err = mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
@@ -1789,9 +1791,7 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
dsa_fdb_dump_cb_t *cb, void *data)
{
- struct mv88e6xxx_vtu_entry vlan = {
- .vid = chip->info->max_vid,
- };
+ struct mv88e6xxx_vtu_entry vlan;
u16 fid;
int err;

@@ -1805,6 +1805,9 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
return err;

/* Dump VLANs' Filtering Information Databases */
+ vlan.vid = chip->info->max_vid;
+ vlan.valid = false;
+
do {
err = mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
--
2.22.0