On 23 January 2015 at 19:27, Lukasz Majewski <l.majewski@xxxxxxxxxxx> wrote:
> Please pay a note about following problem:
>
> Previously we got: cpu0: cpu@0 for all Exynos devices.
>
> Now, however, cpu numbering has changed (due to GIC rework).
> For example:
>
> Exynos4412:
> cpus {
> cpu0: cpu@A00 {
> ...
> #cooling-cells = <2>; /* min followed by max */
> };
>
> cpu@A01 {
> };
>
> cpu@A02 {
> };
>
> cpu@A03 {
> };
> }
>
> Exynos 4210:
> cpus {
> cpu0: cpu@900 {
> #cooling-cells = <2>; /* min followed by max */
> };
>
> cpu@901 {
> };
> };
>
> Exynos 5250:
> cpus {
> cpu0: cpu@0 {
> #cooling-cells = <2>; /* min followed by max */
> };
>
> cpu@1 {
> };
> };
>
>
> As you can see different cpu@XXY nodes we have and simply calling cpu@0
> won't work.
I wasn't asked you to get the cpu0 node from dt but this:
cpu_dev = get_cpu_dev(0);
np = of_node_get(cpu_dev->of_node);
Wouldn't this work? You only need to guarantee that the cooling-cells is added
onto the boot CPUs node.
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