Re: [PATCH 2/2] ARM: dts: qcom: msm8226: Add CPU and SAW/ACC nodes

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On Montag, 4. Dezember 2023 11:41:36 CET Konrad Dybcio wrote:
> On 3.12.2023 23:38, Luca Weiss wrote:
> > From: Ivaylo Ivanov <ivo.ivanov.ivanov1@xxxxxxxxx>
> > 
> > Add CPU and SAW/ACC nodes to enable SMP on MSM8226.
> > 
> > Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@xxxxxxxxx>
> > [luca: update some nodes to fix dtbs_check errors, reorder, cleanup]
> > Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> > ---
> Looks like L2 SAW (@ 0xf9012000) is missing.. but then it's present
> on 8974.. but it's not bound by any driver :)

Right, I had this node before:

	saw_l2: power-controller@f9012000 {
		compatible = "qcom,saw2";
		reg = <0xf9012000 0x1000>;

And then used like this:

	L2: l2-cache {
		compatible = "cache";
		cache-level = <2>;
		qcom,saw = <&saw_l2>;

I decided to remove it because first there's no "qcom,saw2" (without a second 
compatible) in the yaml. And qcom,saw property in the l2-cache node also 
wasn't accepted. Since I'm not aware of any driver code currently using this 
(and the bindings not being particularly maintained, there's still this bit in 
.txt form?) I decided to remove it to not knowingly introduce binding errors.


> The nodes you added here look correct FWIW
> Konrad

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