diff options
Diffstat (limited to 'drivers/net/dsa/microchip/ksz9477.c')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 602d00671bef..f6e7968ab105 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -45,19 +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); + REG_SW_MTU_MASK, frame_size); } static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev) |