linux-kernel - Re: [PATCH 13/21] hp_accel: Use struct dev_pm

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Message-Id: <201206242214.04106.rjw@sisk.pl>
Date:	Sun, 24 Jun 2012 22:14:03 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Éric Piel <eric.piel@...mplin-utc.net>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	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,
	Mattia Dongili <malattia@...ux.it>,
	Harald Welte <laforge@...monks.org>
Subject: Re: [PATCH 13/21] hp_accel: Use struct dev_pm_ops for power management

On Sunday, June 24, 2012, Éric Piel wrote:
> On 23-06-12 23:16, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rjw@...k.pl>
> >
> > Make the hp_accel 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>
> Hello,
> Looks fine from my point of view.
> 
> Reviewed-by: Éric Piel <eric.piel@...mplin-utc.net>

Thanks a lot!

Rafael


> > ---
> >   drivers/platform/x86/hp_accel.c |   15 ++++++++-------
> >   1 file changed, 8 insertions(+), 7 deletions(-)
> >
> > Index: linux/drivers/platform/x86/hp_accel.c
> > ===================================================================
> > --- linux.orig/drivers/platform/x86/hp_accel.c
> > +++ linux/drivers/platform/x86/hp_accel.c
> > @@ -353,20 +353,22 @@ static int lis3lv02d_remove(struct acpi_
> >
> >
> >   #ifdef CONFIG_PM
> > -static int lis3lv02d_suspend(struct acpi_device *device)
> > +static int lis3lv02d_suspend(struct device *dev)
> >   {
> >   	/* make sure the device is off when we suspend */
> >   	lis3lv02d_poweroff(&lis3_dev);
> >   	return 0;
> >   }
> >
> > -static int lis3lv02d_resume(struct acpi_device *device)
> > +static int lis3lv02d_resume(struct device *dev)
> >   {
> >   	return lis3lv02d_poweron(&lis3_dev);
> >   }
> > +
> > +static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
> > +#define HP_ACCEL_PM (&hp_accel_pm)
> >   #else
> > -#define lis3lv02d_suspend NULL
> > -#define lis3lv02d_resume NULL
> > +#define HP_ACCEL_PM NULL
> >   #endif
> >
> >   /* For the HP MDPS aka 3D Driveguard */
> > @@ -377,9 +379,8 @@ static struct acpi_driver lis3lv02d_driv
> >   	.ops = {
> >   		.add     = lis3lv02d_add,
> >   		.remove  = lis3lv02d_remove,
> > -		.suspend = lis3lv02d_suspend,
> > -		.resume  = lis3lv02d_resume,
> > -	}
> > +	},
> > +	.drv.pm = HP_ACCEL_PM,
> >   };
> >
> >   static int __init lis3lv02d_init_module(void)
> >
> 
> 
> --
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> 

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