Re: [PATCH 0/3] pinctrl: sunxi: Remove non-existent reset line references

Linus Walleij
2022-06-15T13:26:53Z

On Tue, May 31, 2022 at 7:36 AM Samuel Holland <samuel@sholland.org> wrote:

> I assume these properties came from a lack of documentation, and the
> very reasonable assumption that where there's a clock gate bit in the
> CCU, there's a reset bit. But the pin controllers are special and don't
> have a module reset line. The only way to reset the pin controller is to
> reset the whole VDD_SYS power domain.
>
> This series is preparation for converting the PRCM MFD and legacy clock
> drivers to a CCU clock/reset driver like all of the other Allwinner
> SoCs. I don't plan to add reset lines that don't actually exist to the
> new CCU driver. So we might as well get rid of the references now.
> Technically this breaks devicetree compatibility, since the old drivers
> expect the reset. But the CCU conversion will be a compatibility break
> anyway, so it's a bit of a moot point.
>
>
> Samuel Holland (3):
> pinctrl: sunxi: Remove reset controller consumers
> ARM: dts: sunxi: Drop resets from r_pio nodes
> dt-bindings: pinctrl: sunxi: Disallow the resets property

Patches applied for v5.20!

Yours,
Linus Walleij