Il 12/11/25 11:28, Krzysztof Kozlowski ha scritto:
> Changes in v2:
Note:
Looks ok based on code and based on testing on the following platforms:
- tegra: Jetson Xavier NX Development Kit
- qcom: sdm630 Sony Xperia XA2 (Nile), sc7180 Trogdor Lazor Chromebook
- mediatek: MT6795 Xperia M5 (midstream kernel), MT8173 Elm Chromebook
MT8365 Genio 350 (mt8365-evk)
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cheers,
Angelo
> - Drop cpufreq/ti change: not correct.
> - Drop soc/qcom/qcom_pd_mapper.c - objections from Dmitry and I think
> better to drop the patch in such case.
> - I did not implement feedback for first patch to make the
> of_machine_compatible_match() matching machines in arbitrary nodes,
> because there is no such use case possible and no arguments were provided.
> I also did not use cleanup.h in first patch because existing code
> of_device_get_match_data() does not use it and I prefer uniformity.
>
> - Add Ack/Rb tags.
> - Link to v1: https://patch.msgid.link/20251106-b4-of-match-matchine-data-v1-0-d780ea1780c2@linaro.org
>
> Dependency/merging
> ==================
> All patches depend on the first patch, thus everything could go via
> Rob's tree with people's acks.
>
> Description
> ===========
> Several drivers duplicate same code for getting reference to the root
> node, matching it against 'struct of_device_id' table and getting out
> the match data from the table entry.
>
> There is a of_machine_compatible_match() wrapper but it takes array of
> strings, which is not suitable for many drivers since they want the
> driver data associated with each compatible.
>
> Add two wrappers, similar to existing of_device_get_match_data():
> 1. of_machine_device_match() doing only matching against 'struct
> of_device_id' and returning bool.
> 2. of_machine_get_match_data() doing the matching and returning
> associated driver data for found compatible.
>
> Best regards,
> Krzysztof
>
> ---
> Krzysztof Kozlowski (11):
> of: Add wrappers to match root node with OF device ID tables
> cpufreq: dt-platdev: Simplify with of_machine_get_match_data()
> cpufreq: mediatek: Simplify with of_machine_get_match_data()
> cpufreq: sun50i: Simplify with of_machine_device_match()
> cpuidle: big_little: Simplify with of_machine_device_match()
> firmware: qcom: scm: Simplify with of_machine_device_match()
> irqchip/atmel-aic: Simplify with of_machine_get_match_data()
> platform: surface: Simplify with of_machine_get_match_data()
> powercap: dtpm: Simplify with of_machine_get_match_data()
> soc: qcom: ubwc: Simplify with of_machine_get_match_data()
> soc: tegra: Simplify with of_machine_device_match()
>
> drivers/cpufreq/cpufreq-dt-platdev.c | 15 ++-----
> drivers/cpufreq/mediatek-cpufreq.c | 12 +-----
> drivers/cpufreq/sun50i-cpufreq-nvmem.c | 11 +----
> drivers/cpuidle/cpuidle-big_little.c | 11 +----
> drivers/firmware/qcom/qcom_scm.c | 17 +-------
> drivers/irqchip/irq-atmel-aic-common.c | 15 ++-----
> drivers/of/base.c | 47 ++++++++++++++++++++++
> .../platform/surface/surface_aggregator_registry.c | 13 +-----
> drivers/powercap/dtpm.c | 16 +-------
> drivers/soc/qcom/ubwc_config.c | 14 ++-----
> drivers/soc/tegra/common.c | 12 +-----
> include/linux/of.h | 13 ++++++
> 12 files changed, 79 insertions(+), 117 deletions(-)
> ---
> base-commit: a4ebba34e722123f1c09ce3282e26f052fc8b27f
> change-id: 20251106-b4-of-match-matchine-data-4a64bf046814
>
> Best regards,