[PATCH] PCI: MSI(X) save/restore for suspend/resume
Add MSI(X) configure sapce save/restore in generic PCI helper.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index bea1ad1..69a617d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -444,6 +444,10 @@
/* XXX: 100% dword access ok here? */
for (i = 0; i < 16; i++)
pci_read_config_dword(dev, i * 4,&dev->saved_config_space[i]);
+ if ((i = pci_save_msi_state(dev)) != 0)
+ return i;
+ if ((i = pci_save_msix_state(dev)) != 0)
+ return i;
return 0;
}
@@ -458,6 +462,8 @@
for (i = 0; i < 16; i++)
pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]);
+ pci_restore_msi_state(dev);
+ pci_restore_msix_state(dev);
return 0;
}