diff options
Diffstat (limited to 'drivers/pci/pci-driver.c')
| -rw-r--r-- | drivers/pci/pci-driver.c | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 94c6e2aa03d..1dc78c5cabf 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -89,10 +89,6 @@ static void pci_free_dynids(struct pci_driver *drv) spin_unlock(&drv->dynids.lock); } -/* - * Dynamic device ID manipulation via sysfs is disabled for !CONFIG_HOTPLUG - */ -#ifdef CONFIG_HOTPLUG /** * store_new_id - sysfs frontend to pci_add_dynid() * @driver: target device driver @@ -191,10 +187,6 @@ static struct driver_attribute pci_drv_attrs[] = { __ATTR_NULL, }; -#else -#define pci_drv_attrs NULL -#endif /* CONFIG_HOTPLUG */ - /** * pci_match_id - See if a pci device matches a given pci_id table * @ids: array of PCI device id structures to search in @@ -398,6 +390,8 @@ static void pci_device_shutdown(struct device *dev) struct pci_dev *pci_dev = to_pci_dev(dev); struct pci_driver *drv = pci_dev->driver; + pm_runtime_resume(dev); + if (drv && drv->shutdown) drv->shutdown(pci_dev); pci_msi_shutdown(pci_dev); @@ -408,16 +402,6 @@ static void pci_device_shutdown(struct device *dev) * continue to do DMA */ pci_disable_device(pci_dev); - - /* - * Devices may be enabled to wake up by runtime PM, but they need not - * be supposed to wake up the system from its "power off" state (e.g. - * ACPI S5). Therefore disable wakeup for all devices that aren't - * supposed to wake up the system at this point. The state argument - * will be ignored by pci_enable_wake(). - */ - if (!device_may_wakeup(dev)) - pci_enable_wake(pci_dev, PCI_UNKNOWN, false); } #ifdef CONFIG_PM @@ -1231,12 +1215,38 @@ void pci_dev_put(struct pci_dev *dev) put_device(&dev->dev); } -#ifndef CONFIG_HOTPLUG -int pci_uevent(struct device *dev, struct kobj_uevent_env *env) +static int pci_uevent(struct device *dev, struct kobj_uevent_env *env) { - return -ENODEV; + struct pci_dev *pdev; + + if (!dev) + return -ENODEV; + + pdev = to_pci_dev(dev); + if (!pdev) + return -ENODEV; + + if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class)) + return -ENOMEM; + + if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device)) + return -ENOMEM; + + if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor, + pdev->subsystem_device)) + return -ENOMEM; + + if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev))) + return -ENOMEM; + + if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x", + pdev->vendor, pdev->device, + pdev->subsystem_vendor, pdev->subsystem_device, + (u8)(pdev->class >> 16), (u8)(pdev->class >> 8), + (u8)(pdev->class))) + return -ENOMEM; + return 0; } -#endif struct bus_type pci_bus_type = { .name = "pci", |