Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH] Add module aliases for acpi-cpufreq | Date | Tue, 22 Jan 2013 22:57:05 +0100 |
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On Tuesday, January 22, 2013 06:38:36 PM Borislav Petkov wrote: > On Tue, Jan 22, 2013 at 11:42:24AM -0500, Matthew Garrett wrote: > > The acpi core will call request_module("acpi-cpufreq") on subsystem init, > > but this will fail if the module isn't available at that stage of boot. > > Add some module aliases to ensure that udev can load the module on Intel > > and AMD systems with the appropriate feature bits - I /think/ that this > > will also work on VIA systems, but haven't verified that. > > > > Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> > > Let's add some more tags: > > Link: http://lkml.kernel.org/r/1448223.sdUJnNSRz4@vostro.rjw.lan > Tested-by: Leonid Isaev <lisaev@umail.iu.edu> > Acked-by: Borislav Petkov <bp@suse.de> > > Rafael, this is all yours. :-)
Thanks!
Do I think correctly that it should go into 3.7.y too?
Rafael
> > --- > > drivers/cpufreq/acpi-cpufreq.c | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c > > index 0d048f6..7b0d49d 100644 > > --- a/drivers/cpufreq/acpi-cpufreq.c > > +++ b/drivers/cpufreq/acpi-cpufreq.c > > @@ -1030,4 +1030,11 @@ MODULE_PARM_DESC(acpi_pstate_strict, > > late_initcall(acpi_cpufreq_init); > > module_exit(acpi_cpufreq_exit); > > > > +static const struct x86_cpu_id acpi_cpufreq_ids[] = { > > + X86_FEATURE_MATCH(X86_FEATURE_ACPI), > > + X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE), > > + {} > > +}; > > +MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids); > > + > > MODULE_ALIAS("acpi"); > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.
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