[PATCH v2 2/3] mfd: syscon: Remove the platform driver support
William McVicker
willmcvicker at google.com
Tue Dec 17 11:36:57 PST 2024
On 12/17/2024, 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.
>
> Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Signed-off-by: Rob Herring (Arm) <robh at kernel.org>
I verified this works on my Pixel 6. Thanks!
Tested-by: Will McVicker <willmcvicker at google.com>
Thanks,
Will
More information about the linux-arm-kernel
mailing list