Re: [PATCH net-next v2 1/3] ieee802154: cc2520: adds driver for TI CC2520 radio

From: Mark Rutland
Date: Wed Jun 18 2014 - 05:55:58 EST


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.
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