On Tuesday 19 March 2013 11:23 PM, Nishanth Menon wrote:
> We now use Soc generic cpufreq-cpu0 driver using DT entries.
> However to allow cpufreq-cpu0 and omap-cpufreq drivers to co-exist,
> we need to ensure the following using the same image:
> 1. With device tree boot, we use cpufreq-cpu0
> 2. With non device tree boot, we use omap-cpufreq
>
> In the case of (1), we will have cpu OPPs and regulator registered
> as part of the DT, to ensure that omap-cpufreq and cpufreq-cpu0 don't
> conflict in managing the frequency of the same cpu, we should not
> permit init to pass in omap-cpufreq.
>
> In the case of (2), we will not have the cpufreq-cpu0 device, hence
> only omap-cpufreq will be active.
>
> So, to acommodate both these usage conditions, we fail init of
> omap-cpufreq when we boot with device tree.
>
> Cc: Kevin Hilman <[email protected]>
> Cc: Jon Hunter <[email protected]>
> Cc: "Benoît Cousson" <[email protected]>
> Cc: Santosh Shilimkar <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Cc: Keerthy <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
>
> Signed-off-by: Nishanth Menon <[email protected]>
> ---
I haven't followed all the DT binding for opp discussion but
this patch is inline to keep non-DT cpufreq working till we
move to DT only build.
So FWIW,
Acked-by: Santosh Shilimkar <[email protected]>
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