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Bluetooth: hci_intel: Enable IRQ wake capability

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We need to explicitly enable the IRQ wakeup mode to let the controller
wake the system from sleep states (like suspend-to-ram).
PM suspend/resume callbacks now call the generic intel device PM
functions after enabling/disabling IRQ wake.

Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Loic Poulain 2015-09-09 21:04:15 +02:00 committed by Marcel Holtmann
parent 30e945fb28
commit f755247379
1 changed files with 25 additions and 7 deletions
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32
drivers/bluetooth/hci_intel.c
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@ -1184,12 +1184,10 @@ static int intel_acpi_probe(struct intel_device *idev)
#endif #endif
#ifdef CONFIG_PM #ifdef CONFIG_PM
static int intel_suspend(struct device *dev) static int intel_suspend_device(struct device *dev)
{ {
struct intel_device *idev = dev_get_drvdata(dev); struct intel_device *idev = dev_get_drvdata(dev);
dev_dbg(dev, "intel_suspend");
mutex_lock(&idev->hu_lock); mutex_lock(&idev->hu_lock);
if (idev->hu) if (idev->hu)
intel_lpm_suspend(idev->hu); intel_lpm_suspend(idev->hu);
@ -1198,12 +1196,10 @@ static int intel_suspend(struct device *dev)
return 0; return 0;
} }
static int intel_resume(struct device *dev) static int intel_resume_device(struct device *dev)
{ {
struct intel_device *idev = dev_get_drvdata(dev); struct intel_device *idev = dev_get_drvdata(dev);
dev_dbg(dev, "intel_resume");
mutex_lock(&idev->hu_lock); mutex_lock(&idev->hu_lock);
if (idev->hu) if (idev->hu)
intel_lpm_resume(idev->hu); intel_lpm_resume(idev->hu);
@ -1213,9 +1209,31 @@ static int intel_resume(struct device *dev)
} }
#endif #endif
#ifdef CONFIG_PM_SLEEP
static int intel_suspend(struct device *dev)
{
struct intel_device *idev = dev_get_drvdata(dev);
if (device_may_wakeup(dev))
enable_irq_wake(idev->irq);
return intel_suspend_device(dev);
}
static int intel_resume(struct device *dev)
{
struct intel_device *idev = dev_get_drvdata(dev);
if (device_may_wakeup(dev))
disable_irq_wake(idev->irq);
return intel_resume_device(dev);
}
#endif
static const struct dev_pm_ops intel_pm_ops = { static const struct dev_pm_ops intel_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(intel_suspend, intel_resume) SET_SYSTEM_SLEEP_PM_OPS(intel_suspend, intel_resume)
SET_RUNTIME_PM_OPS(intel_suspend, intel_resume, NULL) SET_RUNTIME_PM_OPS(intel_suspend_device, intel_resume_device, NULL)
}; };
static int intel_probe(struct platform_device *pdev) static int intel_probe(struct platform_device *pdev)