Bluetooth: hci_intel: Enable IRQ wake capability
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>
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index 249e096..49e2540 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -1184,12 +1184,10 @@
#endif
#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);
- dev_dbg(dev, "intel_suspend");
-
mutex_lock(&idev->hu_lock);
if (idev->hu)
intel_lpm_suspend(idev->hu);
@@ -1198,12 +1196,10 @@
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);
- dev_dbg(dev, "intel_resume");
-
mutex_lock(&idev->hu_lock);
if (idev->hu)
intel_lpm_resume(idev->hu);
@@ -1213,9 +1209,31 @@
}
#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 = {
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)