linux-kernel - Re: [PATCH 16/21] toshiba_bluetooth: Use struct dev_pm

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Date:	Sun, 24 Jun 2012 22:00:35 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Vikram Dhillon <opensolarisdev@...il.com>
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,
	Eric Piel <eric.piel@...mplin-utc.net>,
	Mattia Dongili <malattia@...ux.it>,
	Harald Welte <laforge@...monks.org>
Subject: Re: [PATCH 16/21] toshiba_bluetooth: Use struct dev_pm_ops for power management

On Sunday, June 24, 2012, Vikram Dhillon wrote:
> On Sat, Jun 23, 2012 at 5:18 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > From: Rafael J. Wysocki <rjw@...k.pl>
> >
> > Make the toshiba_bluetooth 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/platform/x86/toshiba_bluetooth.c |   10 ++++++----
> >  1 file changed, 6 insertions(+), 4 deletions(-)
> >
> > Index: linux/drivers/platform/x86/toshiba_bluetooth.c
> > ===================================================================
> > --- linux.orig/drivers/platform/x86/toshiba_bluetooth.c
> > +++ linux/drivers/platform/x86/toshiba_bluetooth.c
> > @@ -34,7 +34,6 @@ MODULE_LICENSE("GPL");
> >  static int toshiba_bt_rfkill_add(struct acpi_device *device);
> >  static int toshiba_bt_rfkill_remove(struct acpi_device *device, int type);
> >  static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event);
> > -static int toshiba_bt_resume(struct acpi_device *device);
> >
> >  static const struct acpi_device_id bt_device_ids[] = {
> >        { "TOS6205", 0},
> > @@ -42,6 +41,9 @@ static const struct acpi_device_id bt_de
> >  };
> >  MODULE_DEVICE_TABLE(acpi, bt_device_ids);
> >
> > +static int toshiba_bt_resume(struct device *dev);
> > +static SIMPLE_DEV_PM_OPS(toshiba_bt_pm, NULL, toshiba_bt_resume);
> > +
> >  static struct acpi_driver toshiba_bt_rfkill_driver = {
> >        .name =         "Toshiba BT",
> >        .class =        "Toshiba",
> > @@ -50,9 +52,9 @@ static struct acpi_driver toshiba_bt_rfk
> >                                .add =          toshiba_bt_rfkill_add,
> >                                .remove =       toshiba_bt_rfkill_remove,
> >                                .notify =       toshiba_bt_rfkill_notify,
> > -                               .resume =       toshiba_bt_resume,
> >                        },
> >        .owner =        THIS_MODULE,
> > +       .drv.pm =       &toshiba_bt_pm,
> >  };
> >
> >
> > @@ -88,9 +90,9 @@ static void toshiba_bt_rfkill_notify(str
> >        toshiba_bluetooth_enable(device->handle);
> >  }
> >
> > -static int toshiba_bt_resume(struct acpi_device *device)
> > +static int toshiba_bt_resume(struct device *dev)
> >  {
> > -       return toshiba_bluetooth_enable(device->handle);
> > +       return toshiba_bluetooth_enable(to_acpi_device(dev)->handle);
> >  }
> >
> >  static int toshiba_bt_rfkill_add(struct acpi_device *device)
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@...r.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at  http://www.tux.org/lkml/
> 
> Looks good, will look into the other struct patch (#11) tomorrow.
> 
> Reviewed-by: Vikram Dhillon <opensolarisdev@...il.com>

Thanks a lot!

Rafael
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