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[PATCH] PCI: MSI(X) save/restore for suspend/resume

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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>
This commit is contained in:
Shaohua Li
2006-02-08 17:11:38 +08:00
committed by Greg Kroah-Hartman
parent f043ca43c1
commit 41017f0cac
4 changed files with 246 additions and 29 deletions
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6
drivers/pci/pci.c
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@@ -444,6 +444,10 @@ pci_save_state(struct pci_dev *dev)
/* 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 @@ pci_restore_state(struct pci_dev *dev)
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;
}