linux-kernel - RE: WARNING: at drivers/base/sys.c:183 sysdev_driver

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Message-ID: <Pine.LNX.4.64.0804222155070.12972@jikos.suse.cz>
Date:	Tue, 22 Apr 2008 21:56:52 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	"Langsdorf, Mark" <mark.langsdorf@....com>
cc:	davej@...emonkey.org.uk, lenb@...nel.org,
	linux-acpi@...r.kernel.org, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org, cpufreq@...ts.linux.org.uk
Subject: RE: WARNING: at drivers/base/sys.c:183 sysdev_driver_register+0x75/0x12e()

On Tue, 22 Apr 2008, Langsdorf, Mark wrote:

> PowerNow! failed to load because the BIOS wasn't set up correctly.  But 
> the acpi-cpufreq driver shouldn't have loaded at all.

I'd guess that it is because acpi_cpufreq_init() doesn't contain any check 
at all that will make sure that the CPU supports needed features (as 
opposed to powernow/speedstep/etc modules, which perform such checks), 
right?

-- 
Jiri Kosina
SUSE Labs
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