[PATCH v3] input: MXC: add mxc-keypad driver to support the Keypad Port present in the mxc application processors family.

Lothar Waßmann LW at KARO-electronics.de
Wed Jan 27 07:18:00 EST 2010


Hi,

Alberto Panizzo writes:
> > > +	irq = platform_get_irq(pdev, 0);
> > > +	if (irq < 0) {
> > > +		dev_err(&pdev->dev, "failed to get keypad irq\n");
> > > +		return -ENXIO;
> > > +	}
> > >
> > This should be -ENODEV.
> > 
> Lot of reference keyboard driver use -ENXIO..
> May should be better: return irq ?
> 
Yes, of course. If a function returns an error code that should be
promoted to the caller instead of inventing a new error code.


Lothar Waßmann
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