Messages in this thread |  | | From | Akashdeep Kaur <> | | Subject | [PATCH 0/5] cpufreq: ti: Fix probe ordering and add device link support for K3 SoCs | | Date | Mon, 30 Mar 2026 17:31:00 +0530 |
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For K3 SoCs, ti-cpufreq depends on k3-socinfo to provide SoC revision information via soc_device_match(). If ti-cpufreq probes before k3-socinfo, soc_device_match() returns NULL, causing incorrect revision detection and OPP table initialization failures.
Add EPROBE_DEFER handling in ti-cpufreq when soc_device_match() fails for K3 SoCs, ensuring k3-socinfo probes first.
Add device link support via a new DT property "ti,soc-info" in CPU OPP tables. Device links prevent unbinding k3-socinfo while ti-cpufreq is using it.
EPROBE_DEFER handles first-boot probe ordering, while device links provide runtime dependency management.
For backward compatibility, the DT property is optional.
Signed-off-by: Akashdeep Kaur <a-kaur@ti.com> ---
Akashdeep Kaur (5): cpufreq: ti: Add EPROBE_DEFER for K3 SoCs arm64: dts: ti: k3-am625: Add ti,soc-info to OPP table arm64: dts: ti: k3-am62a7: Add ti,soc-info to OPP table arm64: dts: ti: k3-am62p5: Add ti,soc-info to OPP table cpufreq: ti: Add device link to k3-socinfo
arch/arm64/boot/dts/ti/k3-am625.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am62a7.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am62p5.dtsi | 1 + drivers/cpufreq/ti-cpufreq.c | 57 +++++++++++++++++++++++++++ 4 files changed, 60 insertions(+)
-- 2.34.1
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