Re: [PATCH v6 RESEND 2/2] i2c: muxes: pca954x: Reset if (de)select fails

From: Wolfram Sang
Date: Thu Jul 31 2025 - 22:14:29 EST



> > +static void pca954x_reset_mux(struct pca954x *data)
> > +{
> > + dev_warn(&data->client->dev, "resetting the device\n");
>
> To me, this is not the proper place for such a report. Can't the reset
> framework be instrumented in some way?

I removed it.

>
> > + pca954x_reset_assert(data);
> > + udelay(1);
> > + pca954x_reset_deassert(data);
> > +}
> > +
> > static int pca954x_select_chan(struct i2c_mux_core *muxc, u32 chan)
> > {
> > struct pca954x *data = i2c_mux_priv(muxc);
> > @@ -328,6 +348,8 @@ static int pca954x_select_chan(struct i2c_mux_core *muxc, u32 chan)
> > ret = pca954x_reg_write(muxc->parent, client, regval);
> > data->last_chan = ret < 0 ? 0 : regval;
> > }
> > + if (ret == -ETIMEDOUT && (data->reset_cont))
>
> Braces around 'data...' not needed. Use '--strict' with checkpatch to
> get notified.

Fixed this, too.

> > - return pca954x_reg_write(muxc->parent, client,
> > + ret = pca954x_reg_write(muxc->parent, client,
> > data->last_chan);
>
> Indentation of the above line needs to be adapted.

Ditto.

Applied to for-next, thanks!

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