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Subject[PATCH 10/21] ACPI: Use struct dev_pm_ops for power management in the power driver
Date
From: Rafael J. Wysocki <rjw@sisk.pl>

Make the ACPI power resource driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
drivers/acpi/power.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
Index: linux/drivers/acpi/power.c
===================================================================
--- linux.orig/drivers/acpi/power.c
+++ linux/drivers/acpi/power.c
@@ -60,7 +60,6 @@ ACPI_MODULE_NAME("power");

static int acpi_power_add(struct acpi_device *device);
static int acpi_power_remove(struct acpi_device *device, int type);
-static int acpi_power_resume(struct acpi_device *device);

static const struct acpi_device_id power_device_ids[] = {
{ACPI_POWER_HID, 0},
@@ -68,6 +67,9 @@ static const struct acpi_device_id power
};
MODULE_DEVICE_TABLE(acpi, power_device_ids);

+static int acpi_power_resume(struct device *dev);
+static SIMPLE_DEV_PM_OPS(acpi_power_pm, NULL, acpi_power_resume);
+
static struct acpi_driver acpi_power_driver = {
.name = "power",
.class = ACPI_POWER_CLASS,
@@ -75,8 +77,8 @@ static struct acpi_driver acpi_power_dri
.ops = {
.add = acpi_power_add,
.remove = acpi_power_remove,
- .resume = acpi_power_resume,
},
+ .drv.pm = &acpi_power_pm,
};

/*
@@ -771,14 +773,16 @@ static int acpi_power_remove(struct acpi
return 0;
}

-static int acpi_power_resume(struct acpi_device *device)
+static int acpi_power_resume(struct device *dev)
{
int result = 0, state;
+ struct acpi_device *device;
struct acpi_power_resource *resource;

- if (!device)
+ if (!dev)
return -EINVAL;

+ device = to_acpi_device(dev);
resource = acpi_driver_data(device);
if (!resource)
return -EINVAL;


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