2 files changed, 4 insertions, 59 deletions

diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 4a55b055bcb3..29cd5f43eea5 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -322,20 +322,6 @@ jme_stop_irq(struct jme_adapter *jme)
 	jwrite32f(jme, JME_IENC, INTR_ENABLE);
 }
 
-static inline void
-jme_enable_shadow(struct jme_adapter *jme)
-{
-	jwrite32(jme,
-		 JME_SHBA_LO,
-		 ((u32)jme->shadow_dma & ~((u32)0x1F)) | SHBA_POSTEN);
-}
-
-static inline void
-jme_disable_shadow(struct jme_adapter *jme)
-{
-	jwrite32(jme, JME_SHBA_LO, 0x0);
-}
-
 static u32
 jme_linkstat_from_phy(struct jme_adapter *jme)
 {
@@ -1521,12 +1507,7 @@ jme_msi(int irq, void *dev_id)
 	struct jme_adapter *jme = netdev_priv(netdev);
 	u32 intrstat;
 
-	pci_dma_sync_single_for_cpu(jme->pdev,
-				    jme->shadow_dma,
-				    sizeof(u32) * SHADOW_REG_NR,
-				    PCI_DMA_FROMDEVICE);
-	intrstat = jme->shadow_regs[SHADOW_IEVE];
-	jme->shadow_regs[SHADOW_IEVE] = 0;
+	intrstat = jread32(jme, JME_IEVE);
 
 	jme_intr_msi(jme, intrstat);
 
@@ -1613,7 +1594,6 @@ jme_open(struct net_device *netdev)
 	if (rc)
 		goto err_out;
 
-	jme_enable_shadow(jme);
 	jme_start_irq(jme);
 
 	if (test_bit(JME_FLAG_SSET, &jme->flags))
@@ -1681,7 +1661,6 @@ jme_close(struct net_device *netdev)
 	netif_carrier_off(netdev);
 
 	jme_stop_irq(jme);
-	jme_disable_shadow(jme);
 	jme_free_irq(jme);
 
 	JME_NAPI_DISABLE(jme);
@@ -2764,14 +2743,6 @@ jme_init_one(struct pci_dev *pdev,
 		rc = -ENOMEM;
 		goto err_out_free_netdev;
 	}
-	jme->shadow_regs = pci_alloc_consistent(pdev,
-						sizeof(u32) * SHADOW_REG_NR,
-						&(jme->shadow_dma));
-	if (!(jme->shadow_regs)) {
-		jeprintk(pdev, "Allocating shadow register mapping error.\n");
-		rc = -ENOMEM;
-		goto err_out_unmap;
-	}
 
 	if (no_pseudohp) {
 		apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN;
@@ -2857,7 +2828,7 @@ jme_init_one(struct pci_dev *pdev,
 		if (!jme->mii_if.phy_id) {
 			rc = -EIO;
 			jeprintk(pdev, "Can not find phy_id.\n");
-			 goto err_out_free_shadow;
+			 goto err_out_unmap;
 		}
 
 		jme->reg_ghc |= GHC_LINK_POLL;
@@ -2886,7 +2857,7 @@ jme_init_one(struct pci_dev *pdev,
 	if (rc) {
 		jeprintk(pdev,
 			"Reload eeprom for reading MAC Address error.\n");
-		goto err_out_free_shadow;
+		goto err_out_unmap;
 	}
 	jme_load_macaddr(netdev);
 
@@ -2902,7 +2873,7 @@ jme_init_one(struct pci_dev *pdev,
 	rc = register_netdev(netdev);
 	if (rc) {
 		jeprintk(pdev, "Cannot register net device.\n");
-		goto err_out_free_shadow;
+		goto err_out_unmap;
 	}
 
 	msg_probe(jme, "%s%s ver:%x rev:%x macaddr:%pM\n",
@@ -2916,11 +2887,6 @@ jme_init_one(struct pci_dev *pdev,
 
 	return 0;
 
-err_out_free_shadow:
-	pci_free_consistent(pdev,
-			    sizeof(u32) * SHADOW_REG_NR,
-			    jme->shadow_regs,
-			    jme->shadow_dma);
 err_out_unmap:
 	iounmap(jme->regs);
 err_out_free_netdev:
@@ -2941,10 +2907,6 @@ jme_remove_one(struct pci_dev *pdev)
 	struct jme_adapter *jme = netdev_priv(netdev);
 
 	unregister_netdev(netdev);
-	pci_free_consistent(pdev,
-			    sizeof(u32) * SHADOW_REG_NR,
-			    jme->shadow_regs,
-			    jme->shadow_dma);
 	iounmap(jme->regs);
 	pci_set_drvdata(pdev, NULL);
 	free_netdev(netdev);
@@ -2970,8 +2932,6 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state)
 	tasklet_disable(&jme->rxclean_task);
 	tasklet_disable(&jme->rxempty_task);
 
-	jme_disable_shadow(jme);
-
 	if (netif_carrier_ok(netdev)) {
 		if (test_bit(JME_FLAG_POLL, &jme->flags))
 			jme_polling_mode(jme);
@@ -3023,7 +2983,6 @@ jme_resume(struct pci_dev *pdev)
 	else
 		jme_reset_phy_processor(jme);
 
-	jme_enable_shadow(jme);
 	jme_start_irq(jme);
 	netif_device_attach(netdev);
 
diff --git a/drivers/net/jme.h b/drivers/net/jme.h
index 9d3cedd394a0..db912f6b37a8 100644
--- a/drivers/net/jme.h
+++ b/drivers/net/jme.h
@@ -410,13 +410,10 @@ struct jme_ring {
 /*
  * Jmac Adapter Private data
  */
-#define SHADOW_REG_NR 8
 struct jme_adapter {
 	struct pci_dev          *pdev;
 	struct net_device       *dev;
 	void __iomem            *regs;
-	dma_addr_t		shadow_dma;
-	u32			*shadow_regs;
 	struct mii_if_info	mii_if;
 	struct jme_ring		rxring[RX_RING_NR];
 	struct jme_ring		txring[TX_RING_NR];
@@ -463,10 +460,6 @@ struct jme_adapter {
 	DECLARE_NET_DEVICE_STATS
 };
 
-enum shadow_reg_val {
-	SHADOW_IEVE = 0,
-};
-
 enum jme_flags_bits {
 	JME_FLAG_MSI		= 1,
 	JME_FLAG_SSET		= 2,
@@ -1103,13 +1096,6 @@ enum jme_chipmode_shifts {
 };
 
 /*
- * Shadow base address register bits
- */
-enum jme_shadow_base_address_bits {
-	SHBA_POSTEN	= 0x1,
-};
-
-/*
  * Aggressive Power Mode Control
  */
 enum jme_apmc_bits {