linux-kernel - Re: [PATCH] ACPI: power: Use KERN_DEBUG when no power resources are found

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Date:	Fri, 24 Aug 2012 15:36:21 -0700
From:	Joe Perches <joe@...ches.com>
To:	Borislav Petkov <bp@...64.org>
Cc:	Lin Ming <minggr@...il.com>, Len Brown <lenb@...nel.org>,
	Aaron Lu <aaron.lu@....com>, linux-kernel@...r.kernel.org,
	Aaron Lu <aaron.lwe@...il.com>, stable@...r.kernel.org
Subject: Re: [PATCH] ACPI: power: Use KERN_DEBUG when no power resources are
 found

On Thu, 2012-08-23 at 15:26 +0200, Borislav Petkov wrote:
> On Fri, Aug 10, 2012 at 10:05:53AM +0800, Aaron Lu wrote:
> > commit a606dac368eed5696fb38e16b1394f1d049c09e9 adds support to link
> > devices which have _PRx, if a device does not have _PRx, a warning
> > message will be printed.
> > 
> > This commit is for ZPODD on Intel's platform, on AMD's platform, there
> > is no _PRx to support ZPODD, we use _PSx.
> > 
> > So instead of printing a useless warning message on AMD's platform,
> > changing the print level to DEBUG to suppress this message.
[]
> > diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
[]
> > @@ -460,7 +460,7 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle)
> >  	return ret;
> >  
> >  no_power_resource:
> > -	printk(KERN_WARNING PREFIX "Invalid Power Resource to register!");
> > +	printk(KERN_DEBUG PREFIX "Invalid Power Resource to register!");

Perhaps add something like:
	if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
		printk(etc...)
instead?


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