diff options
Diffstat (limited to 'drivers/net/dsa/microchip/ksz9477.c')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 0ba658a72d8f..d16817e0476f 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1131,6 +1131,10 @@ void ksz9477_config_cpu_port(struct dsa_switch *ds) if (i == dev->cpu_port) continue; ksz_port_stp_state_set(ds, i, BR_STATE_DISABLED); + + /* Power down the internal PHY if port is unused. */ + if (dsa_is_unused_port(ds, i) && dev->info->internal_phy[i]) + ksz_pwrite16(dev, i, 0x100, BMCR_PDOWN); } } |