diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2012-11-21 20:31:52 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2012-11-21 20:31:52 +0100 |
commit | 9c3f9e281697d02889c3b08922f3b30be75f56c2 (patch) | |
tree | e9f3d68e0019a47b982e2b8644f70eb66a3eff3c /drivers/pci/pci.c | |
parent | b8f61116c1ce342804a0897b0a80eb4df5f19453 (diff) | |
parent | d6ad418763888f617ac5b4849823e4cd670df1dd (diff) |
Merge branch 'fortglx/3.8/time' of git://git.linaro.org/people/jstultz/linux into timers/core
Fix trivial conflicts in: kernel/time/tick-sched.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r-- | drivers/pci/pci.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 54858838f09..aabf64798bd 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1858,6 +1858,38 @@ bool pci_dev_run_wake(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_dev_run_wake); +void pci_config_pm_runtime_get(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct device *parent = dev->parent; + + if (parent) + pm_runtime_get_sync(parent); + pm_runtime_get_noresume(dev); + /* + * pdev->current_state is set to PCI_D3cold during suspending, + * so wait until suspending completes + */ + pm_runtime_barrier(dev); + /* + * Only need to resume devices in D3cold, because config + * registers are still accessible for devices suspended but + * not in D3cold. + */ + if (pdev->current_state == PCI_D3cold) + pm_runtime_resume(dev); +} + +void pci_config_pm_runtime_put(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct device *parent = dev->parent; + + pm_runtime_put(dev); + if (parent) + pm_runtime_put_sync(parent); +} + /** * pci_pm_init - Initialize PM functions of given PCI device * @dev: PCI device to handle. |