linux-kernel - [PATCH 11/21] ACPI: Use struct dev_pm_ops for power management in the SBS driver

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Date:	Sat, 23 Jun 2012 23:14:51 +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 11/21] ACPI: Use struct dev_pm_ops for power management in the SBS driver

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

Make the ACPI Smart Battery System 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/sbs.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

Index: linux/drivers/acpi/sbs.c
===================================================================
--- linux.orig/drivers/acpi/sbs.c
+++ linux/drivers/acpi/sbs.c
@@ -988,16 +988,18 @@ static void acpi_sbs_rmdirs(void)
 #endif
 }
 
-static int acpi_sbs_resume(struct acpi_device *device)
+static int acpi_sbs_resume(struct device *dev)
 {
 	struct acpi_sbs *sbs;
-	if (!device)
+	if (!dev)
 		return -EINVAL;
-	sbs = device->driver_data;
+	sbs = to_acpi_device(dev)->driver_data;
 	acpi_sbs_callback(sbs);
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume);
+
 static struct acpi_driver acpi_sbs_driver = {
 	.name = "sbs",
 	.class = ACPI_SBS_CLASS,
@@ -1005,8 +1007,8 @@ static struct acpi_driver acpi_sbs_drive
 	.ops = {
 		.add = acpi_sbs_add,
 		.remove = acpi_sbs_remove,
-		.resume = acpi_sbs_resume,
 		},
+	.drv.pm = &acpi_sbs_pm,
 };
 
 static int __init acpi_sbs_init(void)

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