linux-kernel - [PATCH 6/21] ACPI: Use struct dev_pm_ops for power management in processor driver

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Date:	Sat, 23 Jun 2012 23:11:55 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linux PM list <linux-pm@...r.kernel.org>
Cc:	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, Len Brown <lenb@...nel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	platform-driver-x86@...r.kernel.org,
	Eric Piel <eric.piel@...mplin-utc.net>,
	Mattia Dongili <malattia@...ux.it>,
	Harald Welte <laforge@...monks.org>
Subject: [PATCH 6/21] ACPI: Use struct dev_pm_ops for power management in processor driver

From: Rafael J. Wysocki <rjw@...k.pl>

Make the ACPI processor 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@...k.pl>
---
 drivers/acpi/processor_driver.c |    6 ++++--
 drivers/acpi/processor_idle.c   |    4 ++--
 include/acpi/processor.h        |    4 ++--
 3 files changed, 8 insertions(+), 6 deletions(-)

Index: linux/drivers/acpi/processor_driver.c
===================================================================
--- linux.orig/drivers/acpi/processor_driver.c
+++ linux/drivers/acpi/processor_driver.c
@@ -93,6 +93,9 @@ static const struct acpi_device_id proce
 };
 MODULE_DEVICE_TABLE(acpi, processor_device_ids);
 
+static SIMPLE_DEV_PM_OPS(acpi_processor_pm,
+			 acpi_processor_suspend, acpi_processor_resume);
+
 static struct acpi_driver acpi_processor_driver = {
 	.name = "processor",
 	.class = ACPI_PROCESSOR_CLASS,
@@ -100,10 +103,9 @@ static struct acpi_driver acpi_processor
 	.ops = {
 		.add = acpi_processor_add,
 		.remove = acpi_processor_remove,
-		.suspend = acpi_processor_suspend,
-		.resume = acpi_processor_resume,
 		.notify = acpi_processor_notify,
 		},
+	.drv.pm = &acpi_processor_pm,
 };
 
 #define INSTALL_NOTIFY_HANDLER		1
Index: linux/include/acpi/processor.h
===================================================================
--- linux.orig/include/acpi/processor.h
+++ linux/include/acpi/processor.h
@@ -334,8 +334,8 @@ int acpi_processor_cst_has_changed(struc
 int acpi_processor_hotplug(struct acpi_processor *pr);
 int acpi_processor_power_exit(struct acpi_processor *pr,
 			      struct acpi_device *device);
-int acpi_processor_suspend(struct acpi_device * device);
-int acpi_processor_resume(struct acpi_device * device);
+int acpi_processor_suspend(struct device *dev);
+int acpi_processor_resume(struct device *dev);
 extern struct cpuidle_driver acpi_idle_driver;
 
 /* in processor_thermal.c */
Index: linux/drivers/acpi/processor_idle.c
===================================================================
--- linux.orig/drivers/acpi/processor_idle.c
+++ linux/drivers/acpi/processor_idle.c
@@ -241,7 +241,7 @@ static void acpi_idle_bm_rld_restore(voi
 		acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld);
 }
 
-int acpi_processor_suspend(struct acpi_device * device)
+int acpi_processor_suspend(struct device *dev)
 {
 	if (acpi_idle_suspend == 1)
 		return 0;
@@ -251,7 +251,7 @@ int acpi_processor_suspend(struct acpi_d
 	return 0;
 }
 
-int acpi_processor_resume(struct acpi_device * device)
+int acpi_processor_resume(struct device *dev)
 {
 	if (acpi_idle_suspend == 0)
 		return 0;

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