From d58da590451cf6ae75379a2ebf96d3afb8d810d8 Mon Sep 17 00:00:00 2001
From: David Shaohua Li <shaohua.li@intel.com>
Date: Fri, 18 Mar 2005 16:43:54 -0500
Subject: [PATCH] [ACPI] S3 Suspend to RAM: fix driver suspend/resume methods

Drivers should do this:

.suspend()
	pci_disable_device()

.resume()
	pci_enable_device()

http://bugzilla.kernel.org/show_bug.cgi?id=3469

Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/net/b44.c             | 3 +++
 drivers/net/ne2k-pci.c        | 3 +++
 drivers/pcmcia/yenta_socket.c | 3 +++
 drivers/usb/core/hcd-pci.c    | 1 +
 4 files changed, 10 insertions(+)

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 3fe8ba992c38..38844d003e44 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1927,6 +1927,7 @@ static int b44_suspend(struct pci_dev *pdev, pm_message_t state)
 	b44_free_rings(bp);
 
 	spin_unlock_irq(&bp->lock);
+	pci_disable_device(pdev);
 	return 0;
 }
 
@@ -1936,6 +1937,8 @@ static int b44_resume(struct pci_dev *pdev)
 	struct b44 *bp = netdev_priv(dev);
 
 	pci_restore_state(pdev);
+	pci_enable_device(pdev);
+	pci_set_master(pdev);
 
 	if (!netif_running(dev))
 		return 0;
diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c
index a1a6c08e7dcf..f1c01ac29102 100644
--- a/drivers/net/ne2k-pci.c
+++ b/drivers/net/ne2k-pci.c
@@ -660,6 +660,7 @@ static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
 
 	netif_device_detach(dev);
 	pci_save_state(pdev);
+	pci_disable_device(pdev);
 	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 
 	return 0;
@@ -671,6 +672,8 @@ static int ne2k_pci_resume (struct pci_dev *pdev)
 
 	pci_set_power_state(pdev, 0);
 	pci_restore_state(pdev);
+	pci_enable_device(pdev);
+	pci_set_master(pdev);
 	NS8390_init(dev, 1);
 	netif_device_attach(dev);
 
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 6404d97a12eb..caf7159a54be 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -1032,6 +1032,7 @@ static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
 		pci_save_state(dev);
 		pci_read_config_dword(dev, 16*4, &socket->saved_state[0]);
 		pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
+		pci_disable_device(dev);
 
 		/*
 		 * Some laptops (IBM T22) do not like us putting the Cardbus
@@ -1055,6 +1056,8 @@ static int yenta_dev_resume (struct pci_dev *dev)
 		pci_restore_state(dev);
 		pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
 		pci_write_config_dword(dev, 17*4, socket->saved_state[1]);
+		pci_enable_device(dev);
+		pci_set_master(dev);
 
 		if (socket->type && socket->type->restore_state)
 			socket->type->restore_state(socket);
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 71b4a8d66318..fc056062c960 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -380,6 +380,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
 		usb_hc_died (hcd);
 	}
 
+	pci_enable_device(dev);
 	return retval;
 }
 EXPORT_SYMBOL (usb_hcd_pci_resume);
-- 
2.20.1