On Wed, Jun 18, 2014 at 12:13:06PM +0100, Varka Bhadram wrote:
> On 06/18/2014 03:25 PM, Mark Rutland wrote:
> > On Wed, Jun 18, 2014 at 10:26:16AM +0100, Varka Bhadram wrote:
> >> +static int cc2520_probe(struct spi_device *spi)
> >> +{
> >> + struct cc2520_private *priv;
> >> + struct pinctrl *pinctrl;
> >> + struct cc2520_platform_data *pdata;
> >> + struct device_node __maybe_unused *np = spi->dev.of_node;
> >>
> >> This looks to be definitely unused rather than __maybe_unused. There are
> >> no other occuences of "np" in this function.
> >>
> >> This macro defined like this.
> >> #define __maybe_unused __attribute__((unused))
> > Sure, but that's irrelevant. There's absolutely no point in this
> > variable existing at all, and it can simply disappear.
> >
> > Mark.
>
> If we don't use that macro the compiler triggers warnings saying that: warning: unused variable ‘np’ [-Wunused-variable]
Then drop the _variable_, not just the annotation.
Mark.
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