diff options
Diffstat (limited to 'drivers/dma/dw/pci.c')
| -rw-r--r-- | drivers/dma/dw/pci.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/dma/dw/pci.c b/drivers/dma/dw/pci.c index e89fc24b829..39e30c3c7a9 100644 --- a/drivers/dma/dw/pci.c +++ b/drivers/dma/dw/pci.c @@ -75,7 +75,31 @@ static void dw_pci_remove(struct pci_dev *pdev) dev_warn(&pdev->dev, "can't remove device properly: %d\n", ret); } -static DEFINE_PCI_DEVICE_TABLE(dw_pci_id_table) = { +#ifdef CONFIG_PM_SLEEP + +static int dw_pci_suspend_late(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + struct dw_dma_chip *chip = pci_get_drvdata(pci); + + return dw_dma_suspend(chip); +}; + +static int dw_pci_resume_early(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + struct dw_dma_chip *chip = pci_get_drvdata(pci); + + return dw_dma_resume(chip); +}; + +#endif /* CONFIG_PM_SLEEP */ + +static const struct dev_pm_ops dw_pci_dev_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(dw_pci_suspend_late, dw_pci_resume_early) +}; + +static const struct pci_device_id dw_pci_id_table[] = { /* Medfield */ { PCI_VDEVICE(INTEL, 0x0827), (kernel_ulong_t)&dw_pci_pdata }, { PCI_VDEVICE(INTEL, 0x0830), (kernel_ulong_t)&dw_pci_pdata }, @@ -83,6 +107,9 @@ static DEFINE_PCI_DEVICE_TABLE(dw_pci_id_table) = { /* BayTrail */ { PCI_VDEVICE(INTEL, 0x0f06), (kernel_ulong_t)&dw_pci_pdata }, { PCI_VDEVICE(INTEL, 0x0f40), (kernel_ulong_t)&dw_pci_pdata }, + + /* Haswell */ + { PCI_VDEVICE(INTEL, 0x9c60), (kernel_ulong_t)&dw_pci_pdata }, { } }; MODULE_DEVICE_TABLE(pci, dw_pci_id_table); @@ -92,6 +119,9 @@ static struct pci_driver dw_pci_driver = { .id_table = dw_pci_id_table, .probe = dw_pci_probe, .remove = dw_pci_remove, + .driver = { + .pm = &dw_pci_dev_pm_ops, + }, }; module_pci_driver(dw_pci_driver); |