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path: root/drivers/net/dsa/microchip/ksz9477.c
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Diffstat (limited to 'drivers/net/dsa/microchip/ksz9477.c')
-rw-r--r--drivers/net/dsa/microchip/ksz9477.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index a6a0321a8931..47b54ecf2c6f 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -45,24 +45,15 @@ static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset,
int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu)
{
- u16 frame_size, max_frame = 0;
- int i;
-
- frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
+ u16 frame_size;
- /* Cache the per-port MTU setting */
- dev->ports[port].max_frame = frame_size;
+ if (!dsa_is_cpu_port(dev->ds, port))
+ return 0;
- for (i = 0; i < dev->info->port_cnt; i++)
- max_frame = max(max_frame, dev->ports[i].max_frame);
+ frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
return regmap_update_bits(dev->regmap[1], REG_SW_MTU__2,
- REG_SW_MTU_MASK, max_frame);
-}
-
-int ksz9477_max_mtu(struct ksz_device *dev, int port)
-{
- return KSZ9477_MAX_FRAME_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN;
+ REG_SW_MTU_MASK, frame_size);
}
static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev)
@@ -195,7 +186,8 @@ int ksz9477_reset_switch(struct ksz_device *dev)
/* KSZ9893 compatible chips do not support refclk configuration */
if (dev->chip_id == KSZ9893_CHIP_ID ||
- dev->chip_id == KSZ8563_CHIP_ID)
+ dev->chip_id == KSZ8563_CHIP_ID ||
+ dev->chip_id == KSZ9563_CHIP_ID)
return 0;
data8 = SW_ENABLE_REFCLKO;
@@ -1142,6 +1134,8 @@ int ksz9477_setup(struct dsa_switch *ds)
struct ksz_device *dev = ds->priv;
int ret = 0;
+ ds->mtu_enforcement_ingress = true;
+
/* Required for port partitioning. */
ksz9477_cfg32(dev, REG_SW_QM_CTRL__4, UNICAST_VLAN_BOUNDARY,
true);