[PATCH v6 6/7] drivers: cpuidle: initialize big.LITTLE driver through DT

Lorenzo Pieralisi lorenzo.pieralisi at arm.com
Wed Aug 6 02:02:20 PDT 2014


On Wed, Jul 23, 2014 at 05:26:26PM +0100, Catalin Marinas wrote:
> On Mon, Jul 21, 2014 at 05:06:25PM +0100, Lorenzo Pieralisi wrote:
> > With the introduction of DT based idle states, CPUidle drivers for ARM
> > can now initialize idle states data through properties in the device tree.
> > 
> > This patch adds code to the big.LITTLE CPUidle driver to dynamically
> > initialize idle states data through the updated device tree source file.
> > 
> > Cc: Chander Kashyap <chander.kashyap at linaro.org>
> > Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> 
> I think for this patch (and the exynos one) we should still allow the
> driver to work fine with old DT. Basically if the information is not in
> DT, fall back to the original static definitions.

Yes, this makes sense, I will implement the fall-back mechanism on v7,
that should be final. If in the meanwhile Samsung guys have time to
test the Exynos patch that would be very appreciated.

Thanks,
Lorenzo




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