On Wed, Jun 19, 2013 at 10:47:17AM +0100, Florian Fainelli wrote: > ARM CPU device tree nodes may contain an optional clock-frequency > property, when set, this property must contain the CPU frequency in Hz, > which is then used by the topology parsing code in > arch/arm/kernel/topology.c to infer the CPU capacity.
I see that arch/arm/kernel/topology.c does a pr_err when clock-frequency isn't present. If we're documenting it as optional, should we not downgrade that or remove it entirely? Thanks, Mark. > > Document this property to avoid any possible confusion on the > clock-frequency unit. > > Signed-off-by: Florian Fainelli <[email protected]> > --- > Documentation/devicetree/bindings/arm/cpus.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/cpus.txt > b/Documentation/devicetree/bindings/arm/cpus.txt > index f32494d..a33b956 100644 > --- a/Documentation/devicetree/bindings/arm/cpus.txt > +++ b/Documentation/devicetree/bindings/arm/cpus.txt > @@ -45,6 +45,8 @@ For the ARM architecture every CPU node must contain the > following properties: > "marvell,xsc3" > "marvell,xscale" > > +- clock-frequency : The frequency of the CPU, in Hz. Optional. > + > Example: > > cpus { > -- > 1.8.1.2 > > > > _______________________________________________ > linux-arm-kernel mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
