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path: root/drivers/pci/pci-acpi.c
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Diffstat (limited to 'drivers/pci/pci-acpi.c')
-rw-r--r--drivers/pci/pci-acpi.c90
1 files changed, 22 insertions, 68 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 47070cf..e70c1c7 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -394,29 +394,26 @@ bool pciehp_is_native(struct pci_dev *pdev)
/**
* pci_acpi_wake_bus - Root bus wakeup notification fork function.
- * @work: Work item to handle.
+ * @context: Device wakeup context.
*/
-static void pci_acpi_wake_bus(struct work_struct *work)
+static void pci_acpi_wake_bus(struct acpi_device_wakeup_context *context)
{
struct acpi_device *adev;
struct acpi_pci_root *root;
- adev = container_of(work, struct acpi_device, wakeup.context.work);
+ adev = container_of(context, struct acpi_device, wakeup.context);
root = acpi_driver_data(adev);
pci_pme_wakeup_bus(root->bus);
}
/**
* pci_acpi_wake_dev - PCI device wakeup notification work function.
- * @handle: ACPI handle of a device the notification is for.
- * @work: Work item to handle.
+ * @context: Device wakeup context.
*/
-static void pci_acpi_wake_dev(struct work_struct *work)
+static void pci_acpi_wake_dev(struct acpi_device_wakeup_context *context)
{
- struct acpi_device_wakeup_context *context;
struct pci_dev *pci_dev;
- context = container_of(work, struct acpi_device_wakeup_context, work);
pci_dev = to_pci_dev(context->dev);
if (pci_dev->pme_poll)
@@ -424,7 +421,7 @@ static void pci_acpi_wake_dev(struct work_struct *work)
if (pci_dev->current_state == PCI_D3cold) {
pci_wakeup_event(pci_dev);
- pm_runtime_resume(&pci_dev->dev);
+ pm_request_resume(&pci_dev->dev);
return;
}
@@ -433,7 +430,7 @@ static void pci_acpi_wake_dev(struct work_struct *work)
pci_check_pme_status(pci_dev);
pci_wakeup_event(pci_dev);
- pm_runtime_resume(&pci_dev->dev);
+ pm_request_resume(&pci_dev->dev);
pci_pme_wakeup_bus(pci_dev->subordinate);
}
@@ -572,67 +569,29 @@ static pci_power_t acpi_pci_get_power_state(struct pci_dev *dev)
return state_conv[state];
}
-static bool acpi_pci_can_wakeup(struct pci_dev *dev)
-{
- struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
- return adev ? acpi_device_can_wakeup(adev) : false;
-}
-
-static void acpi_pci_propagate_wakeup_enable(struct pci_bus *bus, bool enable)
-{
- while (bus->parent) {
- if (!acpi_pm_device_sleep_wake(&bus->self->dev, enable))
- return;
- bus = bus->parent;
- }
-
- /* We have reached the root bus. */
- if (bus->bridge)
- acpi_pm_device_sleep_wake(bus->bridge, enable);
-}
-
-static int acpi_pci_sleep_wake(struct pci_dev *dev, bool enable)
-{
- if (acpi_pci_can_wakeup(dev))
- return acpi_pm_device_sleep_wake(&dev->dev, enable);
-
- acpi_pci_propagate_wakeup_enable(dev->bus, enable);
- return 0;
-}
-
-static void acpi_pci_propagate_run_wake(struct pci_bus *bus, bool enable)
+static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
{
while (bus->parent) {
- struct pci_dev *bridge = bus->self;
+ if (acpi_pm_device_can_wakeup(&bus->self->dev))
+ return acpi_pm_set_device_wakeup(&bus->self->dev, enable);
- if (bridge->pme_interrupt)
- return;
- if (!acpi_pm_device_run_wake(&bridge->dev, enable))
- return;
bus = bus->parent;
}
/* We have reached the root bus. */
- if (bus->bridge)
- acpi_pm_device_run_wake(bus->bridge, enable);
+ if (bus->bridge) {
+ if (acpi_pm_device_can_wakeup(bus->bridge))
+ return acpi_pm_set_device_wakeup(bus->bridge, enable);
+ }
+ return 0;
}
-static int acpi_pci_run_wake(struct pci_dev *dev, bool enable)
+static int acpi_pci_wakeup(struct pci_dev *dev, bool enable)
{
- /*
- * Per PCI Express Base Specification Revision 2.0 section
- * 5.3.3.2 Link Wakeup, platform support is needed for D3cold
- * waking up to power on the main link even if there is PME
- * support for D3cold
- */
- if (dev->pme_interrupt && !dev->runtime_d3cold)
- return 0;
-
- if (!acpi_pm_device_run_wake(&dev->dev, enable))
- return 0;
+ if (acpi_pm_device_can_wakeup(&dev->dev))
+ return acpi_pm_set_device_wakeup(&dev->dev, enable);
- acpi_pci_propagate_run_wake(dev->bus, enable);
- return 0;
+ return acpi_pci_propagate_wakeup(dev->bus, enable);
}
static bool acpi_pci_need_resume(struct pci_dev *dev)
@@ -656,8 +615,7 @@ static const struct pci_platform_pm_ops acpi_pci_platform_pm = {
.set_state = acpi_pci_set_power_state,
.get_state = acpi_pci_get_power_state,
.choose_state = acpi_pci_choose_state,
- .sleep_wake = acpi_pci_sleep_wake,
- .run_wake = acpi_pci_run_wake,
+ .set_wakeup = acpi_pci_wakeup,
.need_resume = acpi_pci_need_resume,
};
@@ -780,9 +738,7 @@ static void pci_acpi_setup(struct device *dev)
return;
device_set_wakeup_capable(dev, true);
- acpi_pci_sleep_wake(pci_dev, false);
- if (adev->wakeup.flags.run_wake)
- device_set_run_wake(dev, true);
+ acpi_pci_wakeup(pci_dev, false);
}
static void pci_acpi_cleanup(struct device *dev)
@@ -793,10 +749,8 @@ static void pci_acpi_cleanup(struct device *dev)
return;
pci_acpi_remove_pm_notifier(adev);
- if (adev->wakeup.flags.valid) {
+ if (adev->wakeup.flags.valid)
device_set_wakeup_capable(dev, false);
- device_set_run_wake(dev, false);
- }
}
static bool pci_acpi_bus_match(struct device *dev)
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