Re: [PATCH v4 0/3] ARM/hwlock: qcom: switch TCSR mutex to MMIO (msm8974)

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Hi Krzysztof,

On Dienstag, 20. September 2022 17:04:11 CEST Krzysztof Kozlowski wrote:
> Hi,
> 
> Remaining patches from v3:
> https://lore.kernel.org/all/20220909092035.223915-1-krzysztof.kozlowski@lina
> ro.org/
> 
> Not tested on hardware. Please kindly provide tests.

With these patches on top of 5.19.9 everything incl. modem still seems to work 
fine on msm8974pro-fairphone-fp2:

(2/3 & 3/3 from this series)
ARM: dts: qcom: msm8974: add missing TCSR syscon compatible
ARM: dts: qcom: msm8974: switch TCSR mutex to MMIO

(picked from linux-next)
hwspinlock: qcom: Add support for mmio usage to sfpb-mutex
hwspinlock: qcom: correct MMIO max register for newer SoCs
hwspinlock: qcom: add support for MMIO on older SoCs

Tested-by: Luca Weiss <luca@xxxxxxxxx> # fairphone-fp2

Regards
Luca

> 
> Changes since v3
> ================
> 1. Drop applied patches - remaining is only msm8974.
> 2. Add syscon to TCSR mutex regs, after talk with Bjorn.
> 3. New patch: bindings.
> 
> Changes since v2
> ================
> 1. Rebase on current MFD changes.
> 2. Add Rb tag.
> 3. Split MFD patch to separate patchset:
> https://lore.kernel.org/linux-devicetree/20220909091056.128949-1-krzysztof.k
> ozlowski@xxxxxxxxxx/T/#u
> 
> Changes since v1
> ================
> 1. Use existing qcom,tcsr-msm8974 compatible.
> 2. Fix few other TCSR syscon compatibles (new patches: ipq6018, msm8953,
>    qcs404, msm8996).
> 3. New patch: dt-bindings: mfd: qcom,tcsr: drop simple-mfd from IPQ6018
> 4. New patch: dt-bindings: mfd: qcom,tcsr: add QCS404
> 
> Dependencies
> ============
> 1. DT bindings and driver patches can go via hwlock. DTS via Bjorn/Qualcomm.
> 
> 2. The last five DTS commits (ARM and arm64) named "switch TCSR mutex to
> MMIO" depend on driver support. The changes are not bisectable, just like
> previously such changes were not bisectable:
>   
> https://lore.kernel.org/all/20200622075956.171058-5-bjorn.andersson@linaro.
> org/ Therefore these changes could wait for next release.
> 
> Best regards,
> Krzysztof
> 
> Krzysztof Kozlowski (3):
>   dt-bindings: hwlock: qcom-hwspinlock: add syscon to MSM8974
>   ARM: dts: qcom: msm8974: add missing TCSR syscon compatible
>   ARM: dts: qcom: msm8974: switch TCSR mutex to MMIO
> 
>  .../bindings/hwlock/qcom-hwspinlock.yaml         |  6 +++++-
>  arch/arm/boot/dts/qcom-msm8974.dtsi              | 16 +++++-----------
>  2 files changed, 10 insertions(+), 12 deletions(-)







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