From: Rafael J. Wysocki <rjw@xxxxxxx> Set power.async_suspend for all PCI devices and PCIe port services, so that they can be suspended and resumed in parallel with other devices they don't depend on in a known way (i.e. devices which are not their parents or children). This only affects the "regular" suspend and resume stages, which means in particular that the restoration of the PCI devices' standard configuration registers during resume will still be carried out synchronously (at the "early" resume stage). Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> --- drivers/pci/pci.c | 1 + drivers/pci/pcie/portdrv_core.c | 1 + drivers/pci/probe.c | 1 + 3 files changed, 3 insertions(+) Index: linux-2.6/drivers/pci/pci.c =================================================================== --- linux-2.6.orig/drivers/pci/pci.c +++ linux-2.6/drivers/pci/pci.c @@ -1541,6 +1541,7 @@ void pci_pm_init(struct pci_dev *dev) int pm; u16 pmc; + device_enable_async_suspend(&dev->dev); dev->wakeup_prepared = false; dev->pm_cap = 0; Index: linux-2.6/drivers/pci/pcie/portdrv_core.c =================================================================== --- linux-2.6.orig/drivers/pci/pcie/portdrv_core.c +++ linux-2.6/drivers/pci/pcie/portdrv_core.c @@ -285,6 +285,7 @@ static int pcie_device_init(struct pci_d pci_name(pdev), get_descriptor_id(pdev->pcie_type, service)); device->parent = &pdev->dev; + device_enable_async_suspend(device); retval = device_register(device); if (retval) Index: linux-2.6/drivers/pci/probe.c =================================================================== --- linux-2.6.orig/drivers/pci/probe.c +++ linux-2.6/drivers/pci/probe.c @@ -1200,6 +1200,7 @@ struct pci_bus * pci_create_bus(struct d if (error) goto dev_reg_err; b->bridge = get_device(dev); + device_enable_async_suspend(b->bridge); if (!parent) set_dev_node(b->bridge, pcibus_to_node(b)); _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
