[PATCH v4 01/12] virtio: pci: switch to new PM API
From: Amit Shah <hidden>
Date: 2011-12-06 19:49:25
Also in:
lkml
Subsystem:
the rest, virtio core · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
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 <redacted> --- 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 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 };
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1.7.7.3