Re: [net-next PATCH v2] net: phy: Validate PHY LED OPs presence before registering

[Andrew Lunn]

On Tue, Oct 08, 2024 at 03:13:34PM +0200, Christian Marangi wrote:
> On Tue, Oct 08, 2024 at 03:08:32PM +0200, Andrew Lunn wrote:
> > > +	/* Check if the PHY driver have at least an OP to
> > > +	 * set the LEDs.
> > > +	 */
> > > +	if (!phydev->drv->led_brightness_set &&
> > > +	    !phydev->drv->led_blink_set &&
> > > +	    !phydev->drv->led_hw_control_set) {
> > 
> > I think this condition is too strong. All that should be required is
> > led_brightness_set(). The rest can be done in software.
> >
> 
> Mhh the idea was really to check if one of the 3 is declared. Ideally to
> future proof case where some led will only expose led_hw_control_set or
> only led_blink_set?

Ah, i read it wrong. Sorry.

Maybe apply De Morgan's laws to make it more readable?

+	if (!(phydev->drv->led_brightness_set ||
+	      phydev->drv->led_blink_set ||
+	      phydev->drv->led_hw_control_set)) {

However, it is correct as is.

    Andrew