Re: [PATCH 2/3] mfd: syscon: Remove the platform driver support

Krzysztof Kozlowski
2024-12-12T10:21:28Z

On 11/12/2024 21:57, Rob Herring (Arm) wrote:
> The platform driver is dead code. It is not used by DT platforms since
> commit bdb0066df96e ("mfd: syscon: Decouple syscon interface from
> platform devices") which said:
>
> For non-DT based platforms, this patch keeps syscon platform driver
> structure so that syscon can be probed and such non-DT based drivers
> can use syscon_regmap_lookup_by_pdev API and access regmap handles.
> Once all users of "syscon_regmap_lookup_by_pdev" migrated to DT based,
> we can completely remove platform driver of syscon, and keep only helper
> functions to get regmap handles.
>
> The last user of syscon_regmap_lookup_by_pdevname() was removed in 2018.
> syscon_regmap_lookup_by_pdevname() was then removed in 2019, but that
> commit failed to remove the rest of the platform driver.
>
> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
FWIW:

Tested on arm64: Qualcomm SM8450
Tested on armv7: Samsung Exynos5422

Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof