Re: pca953x: lockdep warning since 4.10

From: Linus Walleij
Date: Wed Jan 11 2017 - 08:43:36 EST


On Sat, Jan 7, 2017 at 9:54 PM, Clemens Gruber
<clemens.gruber@xxxxxxxxxxxx> wrote:

> I observed the following lockdep warning when booting an i.MX6Q board
> with several PCAL9555A gpio expanders connected over I2C. They are
> connected to 3 separate busses, there is no i2c-mux in use.
>
> This warning appears with the latest mainline Linux kernel 4.10-rc2:

Can you please test the patch with subject:
"gpio: provide lockdep keys for nested/unnested irqchips"
that I sent out a few minutes ago?

Please provide Tested-by if it solves your issue.

Yours,
Linus Walleij