Hi,
On Tuesday, December 06, 2011, Amit Shah wrote:
> The older PM API doesn't have a way to get notifications on hibernate
> events. Switch to the newer one that gives us those notifications.
>
> Signed-off-by: Amit Shah <[email protected]>
> ---
> drivers/virtio/virtio_pci.c | 16 ++++++++++++----
> 1 files changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
> index 03d1984..23e1532 100644
> --- a/drivers/virtio/virtio_pci.c
> +++ b/drivers/virtio/virtio_pci.c
> @@ -708,19 +708,28 @@ static void __devexit virtio_pci_remove(struct pci_dev
> *pci_dev)
> }
>
> #ifdef CONFIG_PM
> -static int virtio_pci_suspend(struct pci_dev *pci_dev, pm_message_t state)
> +static int virtio_pci_suspend(struct device *dev)
> {
> + struct pci_dev *pci_dev = to_pci_dev(dev);
> +
> pci_save_state(pci_dev);
> pci_set_power_state(pci_dev, PCI_D3hot);
> return 0;
> }
>
> -static int virtio_pci_resume(struct pci_dev *pci_dev)
> +static int virtio_pci_resume(struct device *dev)
> {
> + struct pci_dev *pci_dev = to_pci_dev(dev);
> +
> pci_restore_state(pci_dev);
> pci_set_power_state(pci_dev, PCI_D0);
> return 0;
> }
> +
> +static const struct dev_pm_ops virtio_pci_pm_ops = {
> + .suspend = virtio_pci_suspend,
> + .resume = virtio_pci_resume,
> +};
> #endif
You seem to have forgotten about hibernation callbacks. Please use
one the macros defined in include/linux/pm.h if you want to use the same
callback routines for hibernation.
> static struct pci_driver virtio_pci_driver = {
> @@ -729,8 +738,7 @@ static struct pci_driver virtio_pci_driver = {
> .probe = virtio_pci_probe,
> .remove = __devexit_p(virtio_pci_remove),
> #ifdef CONFIG_PM
> - .suspend = virtio_pci_suspend,
> - .resume = virtio_pci_resume,
> + .driver.pm = &virtio_pci_pm_ops,
> #endif
> };
Thanks,
Rafael
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