Re: [PATCH v2 0/2] pinctrl: mcp23s08: Fix probe issues

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From: Linus Walleij

Date: Sat May 23 2026 - 05:23:15 EST

On Thu, May 14, 2026 at 1:12 AM Judith Mendez <jm@xxxxxx> wrote:

> MCP23S18 driver probe failures on AM62L3 BeagleBadge[0].
>
> Fix MCP23S18 probe failures found with BeagleBadge which has a MCP23S18
> on board chip. Fixes are made up of initializing chip data before regmap
> init, and using device_property_read_u8 to match binding spec. First fix
> prevents kernel oops and second fix prevents MCP chip probe failure.
>
> [0] https://github.com/beagleboard/BeagleBadge

Patches applied for fixes!

Thanks for digging in and solving this.

Yours,
Linus Walleij