diff options
Diffstat (limited to 'drivers/net/dsa/b53/b53_common.c')
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index dc2f4adac9bc..184946e8cee9 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -615,6 +615,19 @@ int b53_setup_port(struct dsa_switch *ds, int port) if (dsa_is_user_port(ds, port)) b53_set_eap_mode(dev, port, EAP_MODE_SIMPLIFIED); + if (is5325(dev) && + in_range(port, 1, 4)) { + u8 reg; + + b53_read8(dev, B53_CTRL_PAGE, B53_PD_MODE_CTRL_25, ®); + reg &= ~PD_MODE_POWER_DOWN_PORT(0); + if (dsa_is_unused_port(ds, port)) + reg |= PD_MODE_POWER_DOWN_PORT(port); + else + reg &= ~PD_MODE_POWER_DOWN_PORT(port); + b53_write8(dev, B53_CTRL_PAGE, B53_PD_MODE_CTRL_25, reg); + } + return 0; } EXPORT_SYMBOL(b53_setup_port); |