Message ID | 1411603522-8384-4-git-send-email-f.fainelli@gmail.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index d9b7da545063..58b8fef25b96 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -506,6 +506,15 @@ static void bcm_sf2_sw_adjust_link(struct dsa_switch *ds, int port, port_mode = EXT_REVMII; break; default: + /* All other PHYs: internal and MoCA */ + goto force_link; + } + + /* If the link is down, just disable the interface to conserve power */ + if (!phydev->link) { + reg = reg_readl(priv, REG_RGMII_CNTRL_P(port)); + reg &= ~RGMII_MODE_EN; + reg_writel(priv, reg, REG_RGMII_CNTRL_P(port)); goto force_link; }
When the link is down, disable the RGMII interface to conserve as much power as possible. We re-enable the RGMII interface whenever the link is detected. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- drivers/net/dsa/bcm_sf2.c | 9 +++++++++ 1 file changed, 9 insertions(+)