Dear Viresh Kumar,
On Wed, 10 Sep 2014 09:59:07 +0530, Viresh Kumar wrote:
Yesterday again I was pinged by Thomas about the status of this work and the thread isn't going anywhere. He is blocked with just this to get his platform running on mainline.
Will it be possible to get this through as a temporary solution?
A compile time conditional does not work, as it isn't compatible with multiplatform: what if in the same kernel you want to support two platforms that use cpufreq-dt, one having a single clock for all CPUs, and one having one clock per CPU.
I'm still confused as to what is the problem with the DT binding surrounding this driver. Isn't it simply a matter of adding a clocks = <...> property to all CPUs, and that's it?
Viresh told me there was an issue related to comparing the clocks in the driver to find out which CPUs share which clocks. But that is not a DT binding issue, it's an implementation detail. Since the driver is purely for DT platforms (as its name suggest), comparing phandles could work as a temporary solution. And since it's just an implementation detail that doesn't affect the DT binding, we could change the implementation later to use a proper clock API like clk_is_same(clk1, clk2) that would tell us if the clocks are the same.
But I have probably missed some of the complexity of this.
Thanks,
Thomas