Re: [PATCH v2] gpio: Device tree support for LPC32xx

From: Arnd Bergmann
Date: Wed Apr 04 2012 - 06:27:40 EST


On Tuesday 03 April 2012, Roland Stigge wrote:
> This patch adds device tree support for gpio-lpc32xx.c
>
> Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>

Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>

Just one more comment:

> +#ifdef CONFIG_OF
> +static struct of_device_id lpc32xx_gpio_of_match[] __devinitdata = {
> + { .compatible = "nxp,lpc32xx-gpio", },
> + { },
> +};
> +#endif
> +
> +static struct platform_driver lpc32xx_gpio_driver = {
> + .driver = {
> + .name = "lpc32xx-gpio",
> + .owner = THIS_MODULE,
> + .of_match_table = lpc32xx_gpio_of_match,
> + },
> + .probe = lpc32xx_gpio_probe,
> +};

The #ifdef above is not helpful, it will cause a build error in the
of_match_table= assignment. Since the plan for this driver is to
be devicetree-only, it would be appropriate to just remove the
#ifdef, but adding of_match_ptr() is ok too.

Arnd

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