virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM
The virtio_pci_freeze/restore are defined under CONFIG_PM but is used by SET_SYSTEM_SLEEP_PM_OPS macro, which is defined under CONFIG_PM_SLEEP. So if CONFIG_PM_SLEEP is not cofigured but CONFIG_PM_RUNTIME is, the following warning message appeared: drivers/virtio/virtio_pci.c:770:12: warning: ‘virtio_pci_freeze’ defined but not used [-Wunused-function] static int virtio_pci_freeze(struct device *dev) ^ drivers/virtio/virtio_pci.c:790:12: warning: ‘virtio_pci_restore’ defined but not used [-Wunused-function] static int virtio_pci_restore(struct device *dev) ^ Fix it by changing CONFIG_PM to CONFIG_PM_SLEEP. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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@ -766,7 +766,7 @@ static void virtio_pci_remove(struct pci_dev *pci_dev)
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kfree(vp_dev);
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kfree(vp_dev);
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}
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}
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#ifdef CONFIG_PM
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#ifdef CONFIG_PM_SLEEP
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static int virtio_pci_freeze(struct device *dev)
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static int virtio_pci_freeze(struct device *dev)
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{
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{
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struct pci_dev *pci_dev = to_pci_dev(dev);
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struct pci_dev *pci_dev = to_pci_dev(dev);
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@ -824,7 +824,7 @@ static struct pci_driver virtio_pci_driver = {
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.id_table = virtio_pci_id_table,
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.id_table = virtio_pci_id_table,
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.probe = virtio_pci_probe,
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.probe = virtio_pci_probe,
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.remove = virtio_pci_remove,
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.remove = virtio_pci_remove,
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#ifdef CONFIG_PM
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#ifdef CONFIG_PM_SLEEP
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.driver.pm = &virtio_pci_pm_ops,
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.driver.pm = &virtio_pci_pm_ops,
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#endif
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#endif
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};
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};
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