On Friday, March 01, 2013 09:59:41 AM Aaron Lu wrote:
> +Rafael
>
> commit bc9b6407bd6df3ab7189e5622816bbc11ae9d2d8
> Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> Date: Thu Jan 17 14:11:05 2013 +0100
>
> ACPI / PM: Rework the handling of devices depending on power resources
>
> -Aaron
Thanks Aaron!
> On 03/01/2013 12:45 AM, Sander Eikelenboom wrote:
> > Hi Jeff,
> >
> > During the last merge of ahci code (d9978ec5680059d727b39d6c706777c6973587f2), i saw this coming by:
> >
> >
> > --- a/drivers/ata/libata-acpi.c
> > +++ b/drivers/ata/libata-acpi.c
> > @@ -1024,30 +1024,20 @@ static void ata_acpi_register_power_resource(struct ata_device *dev)
> > {
> > struct scsi_device *sdev = dev->sdev;
> > acpi_handle handle;
> > - struct device *device;
> >
> > handle = ata_dev_acpi_handle(dev);
> > - if (!handle)
> > - return;
> > -
> > - device = &sdev->sdev_gendev;
> > -
> > - acpi_power_resource_register_device(device, handle);
> > + if (handle)
> > + acpi_dev_pm_remove_dependent(handle, &sdev->sdev_gendev);
> > }
> >
> > shouldn't:
> >
> > acpi_dev_pm_remove_dependent(handle, &sdev->sdev_gendev);
> >
> > be
> >
> > acpi_dev_pm_add_dependent(handle, &sdev->sdev_gendev);
> >
> > in the ata_acpi_register_power_resource function ?
> >
> > (seems like a copy and paste mistake from the unregister function)
Yes. Sorry, my bad.
If you can prepare a patch fixing this, please do that, or I'll do it tomorrow.
Thanks,
Rafael
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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