linux-kernel - Re: [PATCH missing/21] classmate-laptop: Use struct dev_pm

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Date:	Fri, 29 Jun 2012 23:52:00 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Thadeu Cascardo <cascardo@...oscopio.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>,
	Daniel Oliveira Nascimento <don@...t.com.br>
Subject: Re: [PATCH missing/21] classmate-laptop: Use struct dev_pm_ops for power management

On Friday, June 29, 2012, Thadeu Cascardo wrote:
> ----- Original message -----
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > 
> > Make the classmate-laptop 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>
> > ---
> > 
> > Hi all,
> > 
> > I overlooked the classmate-laptop driver in the ACPI conversion to PM
> > handling based on struct dev_pm_ops, so this one should go after [17/21]
> > and the next patches should be renumbered.
> > 
> > Thanks,
> > Rafael
> > 
> > 
> > ---
> >   drivers/platform/x86/classmate-laptop.c |     13 ++++++++-----
> >   1 file changed, 8 insertions(+), 5 deletions(-)
> > 
> > Index: linux/drivers/platform/x86/classmate-laptop.c
> > ===================================================================
> > --- linux.orig/drivers/platform/x86/classmate-laptop.c
> > +++ linux/drivers/platform/x86/classmate-laptop.c
> > @@ -362,15 +362,18 @@ static int cmpc_tablet_remove(struct acp
> >       return cmpc_remove_acpi_notify_device(acpi);
> >   }
> >   
> > -static int cmpc_tablet_resume(struct acpi_device *acpi)
> > +static int cmpc_tablet_resume(struct device *dev)
> >   {
> > -    struct input_dev *inputdev = dev_get_drvdata(&acpi->dev);
> > +    struct input_dev *inputdev = dev_get_drvdata(dev);
> > +
> >       unsigned long long val = 0;
> > -    if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val)))
> > +    if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val)))
> >           input_report_switch(inputdev, SW_TABLET_MODE, !val);
> >       return 0;
> >   }
> >   
> > +static SIMPLE_DEV_PM_OPS(cmpc_tabled_pm, NULL, cmpc_tablet_resume);
> > +
> >   static const struct acpi_device_id cmpc_tablet_device_ids[] = {
> >       {CMPC_TABLET_HID, 0},
> >       {"", 0}
> > @@ -384,9 +387,9 @@ static struct acpi_driver cmpc_tablet_ac
> >       .ops = {
> >           .add = cmpc_tablet_add,
> >           .remove = cmpc_tablet_remove,
> > -        .resume = cmpc_tablet_resume,
> >           .notify = cmpc_tablet_handler,
> > -    }
> > +    },
> > +    .drv.pm = &cmpc_tabled_pm,
> >   };
> >   
> >   
> 
> Aside from the typo tabled,

Fixed now.

> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>

Thanks!
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