Merge commit 'v2.6.29' into x86/setup-lzma

1 files changed, 24 insertions, 11 deletions

diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 5b68dc20168d..b8251e827059 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -13,7 +13,7 @@
  * Copyright (C) 2004 Andrew de Quincey (wol support)
  * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane
  *		IRQ rate fixes, bigendian fixes, cleanups, verification)
- * Copyright (c) 2004,2005,2006,2007,2008 NVIDIA Corporation
+ * Copyright (c) 2004,2005,2006,2007,2008,2009 NVIDIA Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -39,7 +39,7 @@
  * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
  * superfluous timer interrupts from the nic.
  */
-#define FORCEDETH_VERSION		"0.61"
+#define FORCEDETH_VERSION		"0.62"
 #define DRV_NAME			"forcedeth"
 
 #include <linux/module.h>
@@ -2096,14 +2096,15 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			   ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
 	}
 
+	spin_lock_irqsave(&np->lock, flags);
 	empty_slots = nv_get_empty_tx_slots(np);
 	if (unlikely(empty_slots <= entries)) {
-		spin_lock_irqsave(&np->lock, flags);
 		netif_stop_queue(dev);
 		np->tx_stop = 1;
 		spin_unlock_irqrestore(&np->lock, flags);
 		return NETDEV_TX_BUSY;
 	}
+	spin_unlock_irqrestore(&np->lock, flags);
 
 	start_tx = put_tx = np->put_tx.orig;
 
@@ -2214,14 +2215,15 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev)
 			   ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
 	}
 
+	spin_lock_irqsave(&np->lock, flags);
 	empty_slots = nv_get_empty_tx_slots(np);
 	if (unlikely(empty_slots <= entries)) {
-		spin_lock_irqsave(&np->lock, flags);
 		netif_stop_queue(dev);
 		np->tx_stop = 1;
 		spin_unlock_irqrestore(&np->lock, flags);
 		return NETDEV_TX_BUSY;
 	}
+	spin_unlock_irqrestore(&np->lock, flags);
 
 	start_tx = put_tx = np->put_tx.ex;
 	start_tx_ctx = np->put_tx_ctx;
@@ -3403,10 +3405,10 @@ static irqreturn_t nv_nic_irq(int foo, void *data)
 
 #ifdef CONFIG_FORCEDETH_NAPI
 		if (events & NVREG_IRQ_RX_ALL) {
+			spin_lock(&np->lock);
 			netif_rx_schedule(&np->napi);
 
 			/* Disable furthur receive irq's */
-			spin_lock(&np->lock);
 			np->irqmask &= ~NVREG_IRQ_RX_ALL;
 
 			if (np->msi_flags & NV_MSI_X_ENABLED)
@@ -3520,10 +3522,10 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data)
 
 #ifdef CONFIG_FORCEDETH_NAPI
 		if (events & NVREG_IRQ_RX_ALL) {
+			spin_lock(&np->lock);
 			netif_rx_schedule(&np->napi);
 
 			/* Disable furthur receive irq's */
-			spin_lock(&np->lock);
 			np->irqmask &= ~NVREG_IRQ_RX_ALL;
 
 			if (np->msi_flags & NV_MSI_X_ENABLED)
@@ -6009,9 +6011,20 @@ static void nv_shutdown(struct pci_dev *pdev)
 	if (netif_running(dev))
 		nv_close(dev);
 
-	nv_restore_mac_addr(pdev);
+	/*
+	 * Restore the MAC so a kernel started by kexec won't get confused.
+	 * If we really go for poweroff, we must not restore the MAC,
+	 * otherwise the MAC for WOL will be reversed at least on some boards.
+	 */
+	if (system_state != SYSTEM_POWER_OFF) {
+		nv_restore_mac_addr(pdev);
+	}
 
 	pci_disable_device(pdev);
+	/*
+	 * Apparently it is not possible to reinitialise from D3 hot,
+	 * only put the device into D3 if we really go for poweroff.
+	 */
 	if (system_state == SYSTEM_POWER_OFF) {
 		if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled))
 			pci_enable_wake(pdev, PCI_D3hot, np->wolenabled);
@@ -6167,19 +6180,19 @@ static struct pci_device_id pci_tbl[] = {
 	},
 	{	/* MCP79 Ethernet Controller */
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_36),
-		.driver_data = DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
+		.driver_data = DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
 	},
 	{	/* MCP79 Ethernet Controller */
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_37),
-		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
 	},
 	{	/* MCP79 Ethernet Controller */
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_38),
-		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
 	},
 	{	/* MCP79 Ethernet Controller */
 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_39),
-		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
+		.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V3|DEV_HAS_STATISTICS_V3|DEV_HAS_TEST_EXTENDED|DEV_HAS_CORRECT_MACADDR|DEV_HAS_COLLISION_FIX|DEV_NEED_TX_LIMIT|DEV_HAS_GEAR_MODE,
 	},
 	{0,},
 };