pci-driver.c (6e9041c6ddd6cbdc61d87bcaca8ca7bb17c28377) pci-driver.c (45f0a85c8258741d11bda25c0a5669c06267204a)
1/*
2 * drivers/pci/pci-driver.c
3 *
4 * (C) Copyright 2002-2004, 2007 Greg Kroah-Hartman <greg@kroah.com>
5 * (C) Copyright 2007 Novell Inc.
6 *
7 * Released under the GPL v2 only.
8 *

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1045
1046 return rc;
1047}
1048
1049static int pci_pm_runtime_idle(struct device *dev)
1050{
1051 struct pci_dev *pci_dev = to_pci_dev(dev);
1052 const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
1/*
2 * drivers/pci/pci-driver.c
3 *
4 * (C) Copyright 2002-2004, 2007 Greg Kroah-Hartman <greg@kroah.com>
5 * (C) Copyright 2007 Novell Inc.
6 *
7 * Released under the GPL v2 only.
8 *

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1045
1046 return rc;
1047}
1048
1049static int pci_pm_runtime_idle(struct device *dev)
1050{
1051 struct pci_dev *pci_dev = to_pci_dev(dev);
1052 const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
1053 int ret = 0;
1053
1054 /*
1055 * If pci_dev->driver is not set (unbound), the device should
1056 * always remain in D0 regardless of the runtime PM status
1057 */
1058 if (!pci_dev->driver)
1054
1055 /*
1056 * If pci_dev->driver is not set (unbound), the device should
1057 * always remain in D0 regardless of the runtime PM status
1058 */
1059 if (!pci_dev->driver)
1059 goto out;
1060 return 0;
1060
1061 if (!pm)
1062 return -ENOSYS;
1063
1061
1062 if (!pm)
1063 return -ENOSYS;
1064
1064 if (pm->runtime_idle) {
1065 int ret = pm->runtime_idle(dev);
1066 if (ret)
1067 return ret;
1068 }
1065 if (pm->runtime_idle)
1066 ret = pm->runtime_idle(dev);
1069
1067
1070out:
1071 pm_runtime_suspend(dev);
1072 return 0;
1068 return ret;
1073}
1074
1075#else /* !CONFIG_PM_RUNTIME */
1076
1077#define pci_pm_runtime_suspend NULL
1078#define pci_pm_runtime_resume NULL
1079#define pci_pm_runtime_idle NULL
1080

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1070
1071#else /* !CONFIG_PM_RUNTIME */
1072
1073#define pci_pm_runtime_suspend NULL
1074#define pci_pm_runtime_resume NULL
1075#define pci_pm_runtime_idle NULL
1076

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