Re: [PATCH] Force acpi_new_pts_ordering for ASUS A6VC laptop

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On Wed 2008-03-26 22:29:37, Rafael J. Wysocki wrote:
> On Wednesday, 26 of March 2008, Shaohua Li wrote:
> > 
> > On Tue, 2008-03-25 at 09:24 +0000, Carlos Corbacho wrote:
> > > > +static int __init asus_suspend_order(const struct dmi_system_id *d)
> > > > +{
> > > > +	printk(KERN_WARNING PREFIX "%s detected, "
> > > > +		"acpi_new_pts_ordering is force enabled\n", d->ident);
> > > > +	new_pts_ordering = true;
> > > > +	return 0;
> > > 
> > > Given all you're doing here is just changing the ordering,
> > > 'asus_suspend_order' doesn't strike me as the right name for this function
> > > since:
> > > 
> > > 1) This clearly isn't the case for all Asus boards.
> > > 
> > > 2) Perhaps something like 'new_suspend_order' would be a better name for
> > > this function (e.g. if others want to use DMI to do this for non-Asus
> > > boards).
> > Makes sense. I changed it.
> > 
> > On Asus A6VC laptop, PCI config space read of slot 01:01.* after ACPI
> > _PTS is exectued always returns 0xFFFFFFFF.  Force _PTS is executed
> > after suspending devices
> > 
> > Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>
> 
> I don't think we can do anything smarter about it.
> 
> Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>

This will clash with your patch to remove the option...

> > index d2f71a5..4dded01 100644
> > --- a/drivers/acpi/sleep/main.c
> > +++ b/drivers/acpi/sleep/main.c
> > @@ -272,12 +272,31 @@ static int __init init_ints_after_s1(const struct dmi_system_id *d)
> >  	return 0;
> >  }
> >  
> > +/*
> > + * Laptop needs _PTS is executed after suspending devices. 
> > + * Asus A6VC - PCI config read of slot 01:01.* after _PTS returns 0xFFFFFFFF.
> > + */
> > +static int __init new_suspend_order(const struct dmi_system_id *d)
> > +{
> > +	printk(KERN_WARNING PREFIX "%s detected, "
> > +		"acpi_new_pts_ordering is force enabled\n", d->ident);
> > +	new_pts_ordering = true;
> > +	return 0;
> > +}
> > +
> >  static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
> >  	{
> >  	 .callback = init_ints_after_s1,
> >  	 .ident = "Toshiba Satellite 4030cdt",
> >  	 .matches = {DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),},
> >  	 },
> > +	{
> > +	 .callback = new_suspend_order,
> > +	 .ident = "Asus A6VC",
> > +	 .matches = {
> > +		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
> > +		DMI_MATCH(DMI_PRODUCT_NAME, "A6VC"),},
> > +	 },
> >  	{},
> >  };
> >  #endif /* CONFIG_SUSPEND */
> > 
> > 
> > 
> > 
> 
> 
> 

-- 
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