Re: [PATCH net-next v6 17/17] net: pse-pd: Add TI TPS23881 PSE controller driver

[Kory Maincent]

On Thu, 28 Mar 2024 17:17:43 +0100
Andrew Lunn <andrew@xxxxxxx> wrote:

> > +
> > +	/* Set operating mode */
> > +	ret = i2c_smbus_write_word_data(client, TPS23881_REG_OP_MODE,
> > 0xaaaa);  
> 
> Could you add some #defines here? This is semiauto i think?

Yes

> > +	/* Enable detection and classification */
> > +	val = 0;
> > +	for (i = 0; i < TPS23881_MAX_CHANS; i++) {
> > +		if (!port_matrix[i].exist)
> > +			continue;
> > +
> > +		val |= BIT(port_matrix[i].lgcl_chan[0]) |
> > +		       BIT(port_matrix[i].lgcl_chan[0] + 4);
> > +		if (port_matrix[i].is_4p)
> > +			val |= BIT(port_matrix[i].lgcl_chan[1]) |
> > +			       BIT(port_matrix[i].lgcl_chan[1] + 4);
> > +	}
> > +	ret = i2c_smbus_write_word_data(client, TPS23881_REG_DET_CLA_EN,
> > 0xffff);  
> 
> This looks odd. You calculate val, and then don't use it?

Oh indeed, you are right! Thanks for spotting the issue.

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com