+#ifdef CONFIG_PM
+static int gfar_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct gfar_private *priv = netdev_priv(dev);
+ unsigned long flags;
+ u32 tempval;
+
+ int magic_packet = priv->wol_en &&
+ (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+
+ netif_device_detach(dev);
+
+ if (netif_running(dev)) {
+ spin_lock_irqsave(&priv->txlock, flags);
+ spin_lock(&priv->rxlock);
+
+ gfar_halt_nodisable(dev);
+
+ /* Disable Tx, and Rx if wake-on-LAN is disabled. */
+ tempval = gfar_read(&priv->regs->maccfg1);
+
+ tempval &= ~MACCFG1_TX_EN;
+
+ if (!magic_packet)
+ tempval &= ~MACCFG1_RX_EN;
+
+ gfar_write(&priv->regs->maccfg1, tempval);
+
+ spin_unlock(&priv->rxlock);
+ spin_unlock_irqrestore(&priv->txlock, flags);
+
+#ifdef CONFIG_GFAR_NAPI
+ napi_disable(&priv->napi);
+#endif
+
+ if (magic_packet) {
+ /* Enable interrupt on Magic Packet */
+ gfar_write(&priv->regs->imask, IMASK_MAG);
+
+ /* Enable Magic Packet mode */
+ tempval = gfar_read(&priv->regs->maccfg2);
+ tempval |= MACCFG2_MPEN;
+ gfar_write(&priv->regs->maccfg2, tempval);
+ } else {
+ phy_stop(priv->phydev);
+ }
+ }
+
+ return 0;
+}
+
+static int gfar_resume(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct gfar_private *priv = netdev_priv(dev);
+ unsigned long flags;
+ u32 tempval;
+ int magic_packet = priv->wol_en &&
+ (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+
+ if (!netif_running(dev)) {
+ netif_device_attach(dev);
+ return 0;
+ }
+
+ if (!magic_packet && priv->phydev)
+ phy_start(priv->phydev);
+
+ /* Disable Magic Packet mode, in case something
+ * else woke us up.
+ */
+
+ spin_lock_irqsave(&priv->txlock, flags);
+ spin_lock(&priv->rxlock);
+
+ tempval = gfar_read(&priv->regs->maccfg2);
+ tempval &= ~MACCFG2_MPEN;
+ gfar_write(&priv->regs->maccfg2, tempval);
+
+ gfar_start(dev);
+
+ spin_unlock(&priv->rxlock);
+ spin_unlock_irqrestore(&priv->txlock, flags);
+
+ netif_device_attach(dev);
+
+#ifdef CONFIG_GFAR_NAPI
+ napi_enable(&priv->napi);
+#endif
+
+ return 0;
+}
+#else
+#define gfar_suspend NULL
+#define gfar_resume NULL
+#endif