X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpci%2Fpcie%2Fportdrv_pci.c;fp=drivers%2Fpci%2Fpcie%2Fportdrv_pci.c;h=50bfc1b2f3bf56c0461532640b4437bc3c53c4ec;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=e9095ee508e348ec0a2e24572805010c83a61bb0;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index e9095ee50..50bfc1b2f 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <linux/pm.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/pcieport_if.h>
 
 #include "portdrv.h"
@@ -29,6 +30,23 @@ MODULE_LICENSE("GPL");
 /* global data */
 static const char device_name[] = "pcieport-driver";
 
+static int pcie_portdrv_save_config(struct pci_dev *dev)
+{
+	return pci_save_state(dev);
+}
+
+static int pcie_portdrv_restore_config(struct pci_dev *dev)
+{
+	int retval;
+
+	pci_restore_state(dev);
+	retval = pci_enable_device(dev);
+	if (retval)
+		return retval;
+	pci_set_master(dev);
+	return 0;
+}
+
 /*
  * pcie_portdrv_probe - Probe PCI-Express port devices
  * @dev: PCI-Express port device being probed
@@ -64,16 +82,22 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
 static void pcie_portdrv_remove (struct pci_dev *dev)
 {
 	pcie_port_device_remove(dev);
+	kfree(pci_get_drvdata(dev));
 }
 
 #ifdef CONFIG_PM
 static int pcie_portdrv_suspend (struct pci_dev *dev, pm_message_t state)
 {
-	return pcie_port_device_suspend(dev, state);
+	int ret = pcie_port_device_suspend(dev, state);
+
+	if (!ret)
+		ret = pcie_portdrv_save_config(dev);
+	return ret;
 }
 
 static int pcie_portdrv_resume (struct pci_dev *dev)
 {
+	pcie_portdrv_restore_config(dev);
 	return pcie_port_device_resume(dev);
 }
 #endif