Force mii bus into runtime pm suspend state during device suspends,
since phydev state is already PHY_HALTED, and there is no need to
access mii bus during device suspend state. Then force mii bus into
runtime pm resume state when device resumes.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct device_node *phy_node;
bool rgmii_txc_dly;
bool rgmii_rxc_dly;
+ bool rpm_active;
int link;
int full_duplex;
int speed;
{
struct net_device *ndev = dev_get_drvdata(dev);
struct fec_enet_private *fep = netdev_priv(ndev);
+ int ret;
rtnl_lock();
if (netif_running(ndev)) {
}
/* It's safe to disable clocks since interrupts are masked */
fec_enet_clk_enable(ndev, false);
+
+ fep->rpm_active = !pm_runtime_status_suspended(dev);
+ if (fep->rpm_active) {
+ ret = pm_runtime_force_suspend(dev);
+ if (ret < 0) {
+ rtnl_unlock();
+ return ret;
+ }
+ }
}
rtnl_unlock();
rtnl_lock();
if (netif_running(ndev)) {
+ if (fep->rpm_active)
+ pm_runtime_force_resume(dev);
+
ret = fec_enet_clk_enable(ndev, true);
if (ret) {
rtnl_unlock();