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Subject[PATCH 2/21] ACPI / PM: Make acpi_bus_type use struct dev_pm_ops for PM handling
Date
From: Rafael J. Wysocki <rjw@sisk.pl>

Make the acpi_bus_type bus type define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct bus_type.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
drivers/acpi/scan.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

Index: linux/drivers/acpi/scan.c
===================================================================
--- linux.orig/drivers/acpi/scan.c
+++ linux/drivers/acpi/scan.c
@@ -290,7 +290,7 @@ static void acpi_device_release(struct d
kfree(acpi_dev);
}

-static int acpi_device_suspend(struct device *dev, pm_message_t state)
+static int acpi_device_suspend(struct device *dev)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
@@ -310,6 +310,8 @@ static int acpi_device_resume(struct dev
return 0;
}

+static SIMPLE_DEV_PM_OPS(acpi_bus_pm, acpi_device_suspend, acpi_device_resume);
+
static int acpi_bus_match(struct device *dev, struct device_driver *drv)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
@@ -441,12 +443,11 @@ static int acpi_device_remove(struct dev

struct bus_type acpi_bus_type = {
.name = "acpi",
- .suspend = acpi_device_suspend,
- .resume = acpi_device_resume,
.match = acpi_bus_match,
.probe = acpi_device_probe,
.remove = acpi_device_remove,
.uevent = acpi_device_uevent,
+ .pm = &acpi_bus_pm,
};

static int acpi_device_register(struct acpi_device *device)


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